SONAR-236 remove deprecated code from checkstyle plugin + display default value of rule parameters in Q profile console

29 files changed, 1922 insertions, 0 deletions

diff --git a/sonar-squid/src/test/java/org/sonar/squid/api/CheckMessageTest.java b/sonar-squid/src/test/java/org/sonar/squid/api/CheckMessageTest.java
new file mode 100644
index 00000000000..d2f59c2ef79
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/api/CheckMessageTest.java
@@ -0,0 +1,35 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.api;
+
+import org.junit.Test;
+
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+
+public class CheckMessageTest {
+
+  @Test
+  public void testFormatDefaultMessage() {
+    CheckMessage message = new CheckMessage(null, "Value is {0,number,integer}, expected value is {1,number,integer}.", 3, 7);
+    assertThat(message.formatDefaultMessage(), is("Value is 3, expected value is 7."));
+  }
+
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/api/SourceCodeTest.java b/sonar-squid/src/test/java/org/sonar/squid/api/SourceCodeTest.java
new file mode 100644
index 00000000000..471a6b4d82a
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/api/SourceCodeTest.java
@@ -0,0 +1,135 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.api;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.sonar.squid.measures.Measurable;
+import org.sonar.squid.measures.Metric;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
+
+public class SourceCodeTest {
+
+  private SourceProject prj;
+  private SourcePackage pac;
+  private SourcePackage pac2;
+  private SourceCode cla;
+  private SourceCode cla2;
+
+  @Before
+  public void before() {
+    prj = new SourceProject("dummy project");
+    pac = new SourcePackage("org.sonar");
+    pac2 = new SourcePackage("org.sonar2");
+    pac2 = new SourcePackage("org.sonar2");
+    cla = new SourceClass("org.sonar.Toto", "Toto");
+    cla2 = new SourceClass("org.sonar2.Tata", "Tata");
+    prj.addChild(pac);
+    prj.addChild(pac2);
+    pac.addChild(cla);
+    pac.addChild(cla2);
+  }
+
+  @Test
+  public void testAddChild() {
+    prj.addChild(pac);
+    assertEquals(pac.getParent(), prj);
+    assertTrue(prj.getChildren().contains(pac));
+  }
+
+  @Test
+  public void testEqualsAndHashCode() {
+    assertFalse((prj.equals(pac)));
+    assertFalse(prj.hashCode() == pac.hashCode());
+    assertFalse(prj.equals(new Object()));
+    SourceCode samePac = new SourcePackage("org.sonar");
+    assertEquals(pac, samePac);
+    assertEquals(pac.hashCode(), samePac.hashCode());
+  }
+
+  @Test
+  public void testContains() {
+    assertThat(prj.hasChild(pac), is(true));
+    assertThat(prj.hasChild(cla), is(true));
+  }
+
+  @Test
+  public void testIsType() {
+    SourcePackage pacFrom = new SourcePackage("org.from");
+    assertFalse(pacFrom.isType(SourceCode.class));
+    assertFalse(pacFrom.isType(SourceClass.class));
+    assertTrue(pacFrom.isType(SourcePackage.class));
+  }
+
+  @Test
+  public void testGetParentByType() {
+    SourcePackage pacFrom = new SourcePackage("org.from");
+    SourceFile fileFrom = new SourceFile("org.from.From.java", "From.java");
+    SourceClass classFrom = new SourceClass("org.from.From", "From");
+    pacFrom.addChild(fileFrom);
+    fileFrom.addChild(classFrom);
+    assertEquals(pacFrom, classFrom.getParent(SourcePackage.class));
+  }
+
+  @Test
+  public void testHasAmongParents() {
+    assertTrue(cla.hasAmongParents(prj));
+    assertTrue(cla.hasAmongParents(pac));
+    assertFalse(prj.hasAmongParents(cla));
+  }
+
+  @Test(expected = IllegalStateException.class)
+  public void setMeasureOnCalculatedMetric() {
+    Measurable measurable = new SourceFile("org.Toto.java");
+    measurable.setMeasure(Metric.INSTABILITY, 0);
+  }
+
+  @Test
+  public void testConmputeMeasures() {
+    cla2.setMeasure(Metric.COMPLEXITY, 4);
+    cla.setMeasure(Metric.COMPLEXITY, 2);
+    cla.setMeasure(Metric.CA, 2);
+    SourceCodeTreeDecorator decorator = new SourceCodeTreeDecorator(prj);
+    decorator.decorateWith(Metric.values());
+    assertEquals(6, prj.getInt(Metric.COMPLEXITY));
+    assertEquals(0, prj.getInt(Metric.CA));
+  }
+
+  @Test
+  public void testAddData() {
+    SourceCode myFile = new SourceFile("org.sonar2.Tata.java");
+    myFile.addData(Metric.LCOM4_BLOCKS, "blocks detail");
+    assertEquals("blocks detail", myFile.getData(Metric.LCOM4_BLOCKS));
+  }
+
+  @Test
+  public void getCheckMessages() {
+    SourceCode foo = new SourceFile("Foo.java");
+    assertThat(foo.getCheckMessages().size(), is(0));
+
+    foo.log(new CheckMessage(null, "message"));
+    assertThat(foo.getCheckMessages().size(), is(1));
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/api/SourceCodeTreeDecoratorTest.java b/sonar-squid/src/test/java/org/sonar/squid/api/SourceCodeTreeDecoratorTest.java
new file mode 100644
index 00000000000..71f9c7073c8
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/api/SourceCodeTreeDecoratorTest.java
@@ -0,0 +1,120 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.api;
+
+import org.junit.Test;
+import org.sonar.squid.measures.Metric;
+
+import static org.junit.Assert.assertEquals;
+
+public class SourceCodeTreeDecoratorTest {
+
+  private int idCounter = 0;
+
+  @Test
+  public void addMethodMeasures() {
+    SourceCode method1 = new SourceMethod("method1");
+    method1.setMeasure(Metric.COMPLEXITY, 4);
+    method1.setMeasure(Metric.STATEMENTS, 8);
+    method1.setMeasure(Metric.METHODS, 1);
+    SourceCode method2 = new SourceMethod("method2");
+    method2.setMeasure(Metric.COMPLEXITY, 2);
+    method2.setMeasure(Metric.STATEMENTS, 3);
+    method2.setMeasure(Metric.METHODS, 1);
+    SourceCode method3 = new SourceMethod("method3");
+    method3.setMeasure(Metric.COMPLEXITY, 1);
+    method3.setMeasure(Metric.STATEMENTS, 3);
+    method3.setMeasure(Metric.METHODS, 1);
+    SourceCode class1 = new SourceClass("class1");
+    class1.addChild(method1);
+    class1.addChild(method2);
+    class1.addChild(method3);
+
+    SourceProject project = new SourceProject("project");
+    project.addChild(class1);
+    decorate(project);
+
+    assertEquals(3, class1.getInt(Metric.METHODS));
+    assertEquals(7, class1.getInt(Metric.COMPLEXITY));
+  }
+
+  private SourceCode createTestMethod(SourceCode classResource) {
+    SourceCode method = new SourceMethod("test" + idCounter++);
+    classResource.addChild(method);
+    return method;
+  }
+
+  private SourceCode createTestClass() {
+    return new SourceClass("class" + idCounter++);
+  }
+
+  private SourceCode createTestComplexityMethod(SourceCode classResource, int complexity) {
+    SourceCode method = createTestMethod(classResource);
+    method.setMeasure(Metric.COMPLEXITY, complexity);
+    return method;
+  }
+
+  @Test
+  public void classMethodComplexityDistribution() {
+    SourceCode testClass = createTestClass();
+    createTestComplexityMethod(testClass, 4);
+    createTestComplexityMethod(testClass, 2);
+    createTestComplexityMethod(testClass, 3);
+    SourceProject project = new SourceProject("project");
+    project.addChild(testClass);
+    decorate(project);
+  }
+
+  @Test
+  public void addPackageMeasures() {
+    SourceCode package1 = new SourcePackage("pack1");
+    package1.setMeasure(Metric.CLASSES, 12);
+    package1.setMeasure(Metric.METHODS, 87);
+    package1.setMeasure(Metric.COMPLEXITY, 834);
+    package1.setMeasure(Metric.LINES, 1450);
+    package1.setMeasure(Metric.PACKAGES, 1);
+    SourceCode package2 = new SourcePackage("pack2");
+    package2.setMeasure(Metric.CLASSES, 9);
+    package2.setMeasure(Metric.METHODS, 73);
+    package2.setMeasure(Metric.COMPLEXITY, 287);
+    package2.setMeasure(Metric.LINES, 893);
+    package2.setMeasure(Metric.PACKAGES, 1);
+    SourceCode package3 = new SourcePackage("pack3");
+    package3.setMeasure(Metric.CLASSES, 9);
+    package3.setMeasure(Metric.METHODS, 73);
+    package3.setMeasure(Metric.COMPLEXITY, 287);
+    package3.setMeasure(Metric.LINES, 938);
+    package3.setMeasure(Metric.PACKAGES, 1);
+    SourceProject prj1 = new SourceProject("prj1");
+    prj1.addChild(package1);
+    prj1.addChild(package2);
+    prj1.addChild(package3);
+    decorate(prj1);
+    assertEquals(3, prj1.getInt(Metric.PACKAGES));
+    assertEquals(30, prj1.getInt(Metric.CLASSES));
+    assertEquals(233, prj1.getInt(Metric.METHODS));
+    assertEquals(3281, prj1.getInt(Metric.LINES));
+  }
+
+  private void decorate(SourceProject project) {
+    SourceCodeTreeDecorator decorator = new SourceCodeTreeDecorator(project);
+    decorator.decorateWith(Metric.values());
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/api/SourceFileTest.java b/sonar-squid/src/test/java/org/sonar/squid/api/SourceFileTest.java
new file mode 100644
index 00000000000..bae9c06c464
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/api/SourceFileTest.java
@@ -0,0 +1,52 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.api;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class SourceFileTest {
+
+  @Test
+  public void testGetStartAtLine() {
+    SourceFile file = new SourceFile("com/sonarsource/Toto.java");
+    assertEquals(1, file.getStartAtLine());
+    file = new SourceFile("com/sonarsource/Toto.java", "Toto.java");
+    assertEquals(1, file.getStartAtLine());
+  }
+
+  @Test
+  public void testHasNoSon() {
+    SourceFile file = new SourceFile("com/sonarsource/Toto.java");
+    Set<Integer> noSonarTagLines = new HashSet<Integer>();
+    noSonarTagLines.add(23);
+    noSonarTagLines.add(10);
+    file.addNoSonarTagLines(noSonarTagLines);
+    assertTrue(file.hasNoSonarTagAtLine(23));
+    assertTrue(file.hasNoSonarTagAtLine(10));
+    assertFalse(file.hasNoSonarTagAtLine(11));
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/api/SourceMethodTest.java b/sonar-squid/src/test/java/org/sonar/squid/api/SourceMethodTest.java
new file mode 100644
index 00000000000..bb8183cbccb
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/api/SourceMethodTest.java
@@ -0,0 +1,34 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.api;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class SourceMethodTest {
+
+  @Test
+  public void testSquidMethodSquidClassString() {
+    SourceMethod squidMethod = new SourceMethod(new SourceClass("org.sonar.Squid"), "scan:23", 23);
+    assertEquals("org.sonar.Squid#scan:23", squidMethod.getKey());
+    assertEquals(23, squidMethod.getStartAtLine());
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/indexer/SquidIndexTest.java b/sonar-squid/src/test/java/org/sonar/squid/indexer/SquidIndexTest.java
new file mode 100644
index 00000000000..1d19632c9eb
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/indexer/SquidIndexTest.java
@@ -0,0 +1,111 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.indexer;
+
+import java.util.Collection;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.sonar.squid.api.SourceClass;
+import org.sonar.squid.api.SourceCode;
+import org.sonar.squid.api.SourceFile;
+import org.sonar.squid.api.SourcePackage;
+import org.sonar.squid.api.SourceProject;
+import org.sonar.squid.indexer.QueryByMeasure.Operator;
+import org.sonar.squid.measures.Metric;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+public class SquidIndexTest {
+
+  private SquidIndex indexer;
+  private SourceProject project;
+  private SourcePackage packSquid;
+  private SourceFile fileSquid;
+  private SourceFile file2Squid;
+  private SourceCode classSquid;
+
+  @Before
+  public void setup() {
+    indexer = new SquidIndex();
+    project = new SourceProject("Squid Project");
+    indexer.index(project);
+    packSquid = new SourcePackage("org.sonar.squid");
+    project.addChild(packSquid);
+    fileSquid = new SourceFile("org.sonar.squid.Squid.java", "Squid.java");
+    packSquid.addChild(fileSquid);
+    file2Squid = new SourceFile("org.sonar.squid.SquidConfiguration.java", "SquidConfiguration.java");
+    packSquid.addChild(file2Squid);
+    classSquid = new SourceClass("org.sonar.squid.Squid", "Squid");
+    fileSquid.addChild(classSquid);
+  }
+
+  @Test
+  public void searchSingleResource() {
+    SourceCode squidClass = indexer.search("org.sonar.squid.Squid");
+    assertEquals(new SourceClass("org.sonar.squid.Squid", "Squid"), squidClass);
+    SourceCode javaNCSSClass = indexer.search("org.sonar.squid.JavaNCSS");
+    assertNull(javaNCSSClass);
+  }
+
+  @Test
+  public void searchByType() {
+    Collection<SourceCode> resources = indexer.search(new QueryByType(SourceFile.class));
+    assertEquals(2, resources.size());
+    resources = indexer.search(new QueryByType(SourceClass.class));
+    assertEquals(1, resources.size());
+    assertTrue(resources.contains(classSquid));
+  }
+  
+  @Test
+  public void searchByName() {
+    Collection<SourceCode> resources = indexer.search(new QueryByName("Squid.java"));
+    assertEquals(1, resources.size());
+    assertTrue(resources.contains(fileSquid));
+  }
+
+  @Test
+  public void searchByParent() {
+    Collection<SourceCode> resources = indexer.search(new QueryByParent(packSquid));
+    assertEquals(3, resources.size());
+  }
+
+  @Test
+  public void searchByParentAndByType() {
+    Collection<SourceCode> resources = indexer.search(new QueryByParent(packSquid), new QueryByType(SourceClass.class));
+    assertEquals(1, resources.size());
+    assertTrue(resources.contains(classSquid));
+  }
+
+  @Test
+  public void searchByMeasure() {
+    fileSquid.add(Metric.COMPLEXITY, 2);
+    assertEquals(1, indexer.search(new QueryByMeasure(Metric.COMPLEXITY, Operator.GREATER_THAN, 1)).size());
+    assertEquals(1, indexer.search(new QueryByMeasure(Metric.COMPLEXITY, Operator.GREATER_THAN_EQUALS, 2)).size());
+    assertEquals(0, indexer.search(new QueryByMeasure(Metric.COMPLEXITY, Operator.GREATER_THAN, 3)).size());
+    assertEquals(4, indexer.search(new QueryByMeasure(Metric.COMPLEXITY, Operator.LESS_THAN, 1)).size());
+    assertEquals(5, indexer.search(new QueryByMeasure(Metric.COMPLEXITY, Operator.LESS_THAN, 3)).size());
+    assertEquals(5, indexer.search(new QueryByMeasure(Metric.COMPLEXITY, Operator.LESS_THAN_EQUALS, 2)).size());
+    assertEquals(0, indexer.search(new QueryByMeasure(Metric.COMPLEXITY, Operator.EQUALS, 6)).size());
+    assertEquals(1, indexer.search(new QueryByMeasure(Metric.COMPLEXITY, Operator.EQUALS, 2)).size());
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/math/MeasuresDistributionTest.java b/sonar-squid/src/test/java/org/sonar/squid/math/MeasuresDistributionTest.java
new file mode 100644
index 00000000000..b18003ee3f7
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/math/MeasuresDistributionTest.java
@@ -0,0 +1,65 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.math;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.sonar.squid.api.SourceCode;
+import org.sonar.squid.api.SourceFile;
+import org.sonar.squid.measures.Metric;
+
+import java.util.Arrays;
+import java.util.Map;
+
+import static org.junit.Assert.assertEquals;
+
+public class MeasuresDistributionTest {
+
+  private MeasuresDistribution distribution;
+
+  @Before
+  public void setup() {
+    SourceFile file0 = newFile("File0.java", 0);
+    SourceFile file1 = newFile("File1.java", 1);
+    SourceFile file8 = newFile("File8.java", 8);
+    SourceFile file10 = newFile("File10.java", 10);
+    SourceFile file20 = newFile("File20.java", 20);
+    SourceFile file21 = newFile("File21.java", 21);
+    SourceFile file30 = newFile("File3.java", 30);
+    distribution = new MeasuresDistribution(Arrays.<SourceCode>asList(file0, file1, file8, file10, file20, file21, file30));
+  }
+
+  private SourceFile newFile(String filename, int complexity) {
+    SourceFile file0 = new SourceFile(filename);
+    file0.setMeasure(Metric.COMPLEXITY, complexity);
+    return file0;
+  }
+
+  @Test
+  public void testComplexityDistribution() {
+    Map<Integer, Integer> intervals = distribution.distributeAccordingTo(Metric.COMPLEXITY, 1, 10, 18, 25);
+    assertEquals(4, intervals.size());
+    assertEquals(2, (int) intervals.get(1)); // between 1 included and 10 excluded
+    assertEquals(1, (int) intervals.get(10));// between 10 included and 18 excluded
+    assertEquals(2, (int) intervals.get(18));
+    assertEquals(1, (int) intervals.get(25)); // >= 25
+  }
+
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/measures/AbstractnessFormulaTest.java b/sonar-squid/src/test/java/org/sonar/squid/measures/AbstractnessFormulaTest.java
new file mode 100644
index 00000000000..11515a56d3d
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/measures/AbstractnessFormulaTest.java
@@ -0,0 +1,52 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.measures;
+
+import org.junit.Test;
+import org.sonar.squid.api.SourcePackage;
+import org.sonar.squid.measures.AbstractnessFormula;
+import org.sonar.squid.measures.Metric;
+
+import static org.junit.Assert.assertEquals;
+
+public class AbstractnessFormulaTest {
+
+  AbstractnessFormula abstractness = new AbstractnessFormula();
+  Measurable measurable = new SourcePackage("pac1");
+
+  @Test
+  public void testCalculate() {
+    measurable.setMeasure(Metric.CLASSES, 10);
+    measurable.setMeasure(Metric.INTERFACES, 1);
+    measurable.setMeasure(Metric.ABSTRACT_CLASSES, 1);
+
+    assertEquals(0.2, abstractness.calculate(measurable), 0);
+  }
+  
+  @Test
+  public void testCalculateOnEmptyProject() {
+    measurable.setMeasure(Metric.CLASSES, 0);
+    measurable.setMeasure(Metric.INTERFACES, 0);
+    measurable.setMeasure(Metric.ABSTRACT_CLASSES, 0);
+
+    assertEquals(0, abstractness.calculate(measurable), 0);
+  }
+
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/measures/CommentLinesDensityFormulaTest.java b/sonar-squid/src/test/java/org/sonar/squid/measures/CommentLinesDensityFormulaTest.java
new file mode 100644
index 00000000000..fb6129ee27f
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/measures/CommentLinesDensityFormulaTest.java
@@ -0,0 +1,47 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.measures;
+
+import org.junit.Test;
+import org.sonar.squid.api.SourceClass;
+
+import static org.junit.Assert.*;
+
+
+public class CommentLinesDensityFormulaTest {
+  
+  CommentLinesDensityFormula formula = new CommentLinesDensityFormula();
+  Measurable measurable = new SourceClass("com.Toto");
+
+  @Test
+  public void calculateDensityOnEmptyFile() {
+    measurable.setMeasure(Metric.LINES_OF_CODE, 0);
+    measurable.setMeasure(Metric.COMMENT_LINES, 0);
+    assertEquals(0, measurable.getDouble(Metric.COMMENT_LINES_DENSITY), 0.01);
+  }
+  
+  @Test
+  public void calculate() {
+    measurable.setMeasure(Metric.LINES_OF_CODE, 10);
+    measurable.setMeasure(Metric.COMMENT_LINES, 10);
+    assertEquals(0.5, measurable.getDouble(Metric.COMMENT_LINES_DENSITY), 0.01);
+  }
+
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/measures/CommentLinesWithoutHeaderFormulaTest.java b/sonar-squid/src/test/java/org/sonar/squid/measures/CommentLinesWithoutHeaderFormulaTest.java
new file mode 100644
index 00000000000..2d505d04255
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/measures/CommentLinesWithoutHeaderFormulaTest.java
@@ -0,0 +1,38 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.measures;
+
+import org.junit.Test;
+import org.sonar.squid.api.SourceClass;
+
+import static org.junit.Assert.assertEquals;
+
+public class CommentLinesWithoutHeaderFormulaTest {
+
+  CommentLinesWithoutHeaderFormula formula    = new CommentLinesWithoutHeaderFormula();
+  Measurable                       measurable = new SourceClass("com.Toto");
+
+  @Test
+  public void calculateDensityOnEmptyFile() {
+    measurable.setMeasure(Metric.COMMENT_LINES, 10);
+    measurable.setMeasure(Metric.HEADER_COMMENT_LINES, 5);
+    assertEquals(5, measurable.getInt(Metric.COMMENT_LINES_WITHOUT_HEADER));
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/measures/DistanceFormulaTest.java b/sonar-squid/src/test/java/org/sonar/squid/measures/DistanceFormulaTest.java
new file mode 100644
index 00000000000..fb4bd38893a
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/measures/DistanceFormulaTest.java
@@ -0,0 +1,49 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.measures;
+
+import org.junit.Test;
+import org.sonar.squid.api.SourcePackage;
+
+import static org.junit.Assert.assertEquals;
+
+public class DistanceFormulaTest {
+
+  DistanceFormula distance   = new DistanceFormula();
+  Measurable      measurable = new SourcePackage("pac1");
+
+  @Test
+  public void calculateBestDistance() {
+    measurable.setMeasure(Metric.CLASSES, 5);
+    measurable.setMeasure(Metric.INTERFACES, 5);
+    measurable.setMeasure(Metric.CA, 10);
+    measurable.setMeasure(Metric.CE, 10);
+    assertEquals(0.5, measurable.getDouble(Metric.DISTANCE), 0.01);
+  }
+  
+  @Test
+  public void calculateWorstDistance() {
+    measurable.setMeasure(Metric.CLASSES, 5);
+    measurable.setMeasure(Metric.CA, 10);
+    measurable.setMeasure(Metric.CE, 0);
+    assertEquals(1, measurable.getDouble(Metric.DISTANCE), 0.01);
+  }
+
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/measures/InstabilityFormulaTest.java b/sonar-squid/src/test/java/org/sonar/squid/measures/InstabilityFormulaTest.java
new file mode 100644
index 00000000000..110cb641399
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/measures/InstabilityFormulaTest.java
@@ -0,0 +1,53 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.measures;
+
+import org.junit.Test;
+import org.sonar.squid.api.SourcePackage;
+
+import static org.junit.Assert.assertEquals;
+
+public class InstabilityFormulaTest {
+
+  InstabilityFormula distance   = new InstabilityFormula();
+  Measurable      measurable = new SourcePackage("pac1");
+
+  @Test
+  public void calculateBestStability() {
+    measurable.setMeasure(Metric.CA, 50);
+    measurable.setMeasure(Metric.CE, 0);
+    assertEquals(0, measurable.getDouble(Metric.INSTABILITY), 0.01);
+  }
+  
+  @Test
+  public void calculateWorstStability() {
+    measurable.setMeasure(Metric.CA, 0);
+    measurable.setMeasure(Metric.CE, 10);
+    assertEquals(1, measurable.getDouble(Metric.INSTABILITY), 0.01);
+  }
+  
+  @Test
+  public void calculateOnIsolatedProject() {
+    measurable.setMeasure(Metric.CA, 0);
+    measurable.setMeasure(Metric.CE, 0);
+    assertEquals(0, measurable.getDouble(Metric.INSTABILITY), 0.01);
+  }
+
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/measures/MeanAggregationFormulaTest.java b/sonar-squid/src/test/java/org/sonar/squid/measures/MeanAggregationFormulaTest.java
new file mode 100644
index 00000000000..498b91bb272
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/measures/MeanAggregationFormulaTest.java
@@ -0,0 +1,54 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.measures;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+import org.sonar.squid.api.SourceClass;
+
+
+public class MeanAggregationFormulaTest {
+  
+  MeanAggregationFormula formula = new MeanAggregationFormula();
+
+  @Test
+  public void testAggregate() {
+    List<Measurable> measurables = new ArrayList<Measurable>();
+    SourceClass class1 = new SourceClass("com.My");
+    class1.setMeasure(Metric.COMPLEXITY, 2);
+    measurables.add(class1);
+    SourceClass class2 = new SourceClass("com.My");
+    class2.setMeasure(Metric.COMPLEXITY, 3);
+    measurables.add(class2);
+    
+    assertEquals(2.5, formula.aggregate(Metric.COMPLEXITY, measurables), 0.01);
+  }
+  
+  @Test
+  public void testAggregateEmptyCollections() {
+    List<Measurable> measurables = new ArrayList<Measurable>();
+    assertEquals(0, formula.aggregate(Metric.COMPLEXITY, measurables), 0.01);
+  }
+
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/measures/MeasuresTest.java b/sonar-squid/src/test/java/org/sonar/squid/measures/MeasuresTest.java
new file mode 100644
index 00000000000..ab5b477a493
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/measures/MeasuresTest.java
@@ -0,0 +1,53 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.measures;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+public class MeasuresTest {
+
+  private Measures measures = new Measures();
+
+  @Test
+  public void testGetValue() {
+    assertEquals(0, measures.getValue(Metric.ACCESSORS), 0.1);
+  }
+
+  @Test
+  public void testGetData() {
+    assertNull(measures.getData(Metric.LCOM4_BLOCKS));
+  }
+
+  @Test
+  public void testSetValue() {
+    measures.setValue(Metric.ACCESSORS, 3);
+    assertEquals(3, measures.getValue(Metric.ACCESSORS), 0.1);
+  }
+
+  @Test
+  public void testSetData() {
+    measures.setData(Metric.LCOM4_BLOCKS, "blocks detail");
+    assertEquals("blocks detail", measures.getData(Metric.LCOM4_BLOCKS));
+  }
+
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/measures/PublicDocumentedApiDensityFormulaTest.java b/sonar-squid/src/test/java/org/sonar/squid/measures/PublicDocumentedApiDensityFormulaTest.java
new file mode 100644
index 00000000000..4e2af0ad764
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/measures/PublicDocumentedApiDensityFormulaTest.java
@@ -0,0 +1,47 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.measures;
+
+import org.junit.Test;
+import org.sonar.squid.api.SourceClass;
+
+import static org.junit.Assert.*;
+
+
+public class PublicDocumentedApiDensityFormulaTest {
+  
+  PublicDocumentedApiDensityFormula formula = new PublicDocumentedApiDensityFormula();
+  Measurable measurable = new SourceClass("com.Toto");
+
+  @Test
+  public void calculateWhenNoPublicApi() {
+    measurable.setMeasure(Metric.PUBLIC_API, 0);
+    measurable.setMeasure(Metric.PUBLIC_DOC_API, 0);
+    assertEquals(1, measurable.getDouble(Metric.PUBLIC_DOCUMENTED_API_DENSITY), 0.01);
+  }
+  
+  @Test
+  public void calculate() {
+    measurable.setMeasure(Metric.PUBLIC_API, 10);
+    measurable.setMeasure(Metric.PUBLIC_DOC_API, 5);
+    assertEquals(0.5, measurable.getDouble(Metric.PUBLIC_DOCUMENTED_API_DENSITY), 0.01);
+  }
+
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/measures/SumAggregationFormulaTest.java b/sonar-squid/src/test/java/org/sonar/squid/measures/SumAggregationFormulaTest.java
new file mode 100644
index 00000000000..2c74c53ce2e
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/measures/SumAggregationFormulaTest.java
@@ -0,0 +1,54 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.measures;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+import org.sonar.squid.api.SourceClass;
+
+
+public class SumAggregationFormulaTest {
+  
+  SumAggregationFormula formula = new SumAggregationFormula();
+
+  @Test
+  public void testAggregate() {
+    List<Measurable> measurables = new ArrayList<Measurable>();
+    SourceClass class1 = new SourceClass("com.My");
+    class1.setMeasure(Metric.COMPLEXITY, 2);
+    measurables.add(class1);
+    SourceClass class2 = new SourceClass("com.My");
+    class2.setMeasure(Metric.COMPLEXITY, 3);
+    measurables.add(class2);
+    
+    assertEquals(5, formula.aggregate(Metric.COMPLEXITY, measurables), 0.01);
+  }
+  
+  @Test
+  public void testAggregateEmptyCollections() {
+    List<Measurable> measurables = new ArrayList<Measurable>();
+    assertEquals(0, formula.aggregate(Metric.COMPLEXITY, measurables), 0.01);
+  }
+
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/recognizer/CamelCaseDetectorTest.java b/sonar-squid/src/test/java/org/sonar/squid/recognizer/CamelCaseDetectorTest.java
new file mode 100644
index 00000000000..1655aa49005
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/recognizer/CamelCaseDetectorTest.java
@@ -0,0 +1,15 @@
+package org.sonar.squid.recognizer;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class CamelCaseDetectorTest {
+
+  @Test
+  public void scan() {
+    CamelCaseDetector detector = new CamelCaseDetector(0.3);
+    assertEquals(1, detector.scan("isDog() or isCat()"));
+    assertEquals(0, detector.scan("String name;"));
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/recognizer/ContainsDetectorTest.java b/sonar-squid/src/test/java/org/sonar/squid/recognizer/ContainsDetectorTest.java
new file mode 100644
index 00000000000..f2e25e26a35
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/recognizer/ContainsDetectorTest.java
@@ -0,0 +1,15 @@
+package org.sonar.squid.recognizer;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+public class ContainsDetectorTest {
+
+  @Test
+  public void scan() {
+    ContainsDetector detector = new ContainsDetector(0.3, "++", "for(");
+    assertEquals(2, detector.scan("for (int i =0; i++; i<4) {"));
+    assertEquals(0, detector.scan("String name;"));
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/recognizer/EndWithDetectorTest.java b/sonar-squid/src/test/java/org/sonar/squid/recognizer/EndWithDetectorTest.java
new file mode 100644
index 00000000000..2df5831f1db
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/recognizer/EndWithDetectorTest.java
@@ -0,0 +1,16 @@
+package org.sonar.squid.recognizer;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class EndWithDetectorTest {
+
+  @Test
+  public void scan() {
+    EndWithDetector detector = new EndWithDetector(0.3, '}');
+    assertEquals(1, detector.scan(" return true; }"));
+    assertEquals(0, detector.scan("} catch(NullPointerException e) {"));
+    assertEquals(1, detector.scan("} "));
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/recognizer/KeywordsDetectorTest.java b/sonar-squid/src/test/java/org/sonar/squid/recognizer/KeywordsDetectorTest.java
new file mode 100644
index 00000000000..fde4f343b6e
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/recognizer/KeywordsDetectorTest.java
@@ -0,0 +1,19 @@
+package org.sonar.squid.recognizer;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class KeywordsDetectorTest {
+
+  @Test
+  public void scan() {
+    KeywordsDetector detector = new KeywordsDetector(0.3, "public", "static");
+    assertEquals(2, detector.scan("public static void main"));
+    assertEquals(1, detector.scan("private(static} String name;"));
+    assertEquals(0, detector.scan("publicstatic"));
+    assertEquals(0, detector.scan("i++;"));
+    detector = new KeywordsDetector(0.3, true, "PUBLIC");
+    assertEquals(2, detector.scan("Public static pubLIC"));
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/recognizer/RegexDetectorTest.java b/sonar-squid/src/test/java/org/sonar/squid/recognizer/RegexDetectorTest.java
new file mode 100644
index 00000000000..a032916b1be
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/recognizer/RegexDetectorTest.java
@@ -0,0 +1,35 @@
+package org.sonar.squid.recognizer;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class RegexDetectorTest {
+
+  @Test(expected = IllegalArgumentException.class)
+  public void testNegativeProbability() {
+    new RegexDetector("toto", -1);
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void testProbabilityHigherThan1() {
+    new RegexDetector("toto", 1.2);
+  }
+
+  @Test
+  public void testProbability() {
+    RegexDetector pattern = new RegexDetector("toto", 0.3);
+    assertEquals(0.3, pattern.recognition(" toto "), 0.01);
+    assertEquals(0, pattern.recognition("sql"), 0.01);
+    assertEquals(1 - Math.pow(0.7, 3), pattern.recognition(" toto toto toto "), 0.01);
+  }
+
+  @Test
+  public void testSeveralMatches() {
+    RegexDetector pattern = new RegexDetector("(\\S\\.\\S)", 0.3); // \S is non-whitespace character 
+    assertEquals(0.0, pattern.recognition(" toto "), 0.001);
+    assertEquals(0.3, pattern.recognition("abc.def ghi jkl"), 0.001);
+    assertEquals(0.51, pattern.recognition("abc.def.ghi"), 0.001);
+    assertEquals(0.51, pattern.recognition("abc.def ghi.jkl"), 0.001);
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/text/JavaFootprint.java b/sonar-squid/src/test/java/org/sonar/squid/text/JavaFootprint.java
new file mode 100644
index 00000000000..dd50cdd3a4d
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/text/JavaFootprint.java
@@ -0,0 +1,44 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.text;
+
+import org.sonar.squid.recognizer.*;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class JavaFootprint implements LanguageFootprint {
+
+  private final Set<Detector> detectors = new HashSet<Detector>();
+
+  public JavaFootprint() {
+    detectors.add(new EndWithDetector(0.95, '}', ';', '{')); // NOSONAR Magic number is suitable in that case
+    detectors.add(new KeywordsDetector(0.7, "||", "&&")); // NOSONAR
+    detectors.add(new KeywordsDetector(0.3, "public", "abstract", "class", "implements", "extends", "return","throw",// NOSONAR
+        "private", "protected", "enum", "continue", "assert", "package", "synchronized", "boolean", "this", "double", "instanceof",
+        "final", "interface", "static", "void", "long", "int", "float", "super", "true", "case:"));
+    detectors.add(new ContainsDetector(0.95, "++", "for(", "if(", "while(", "catch(", "switch(", "try{", "else{"));// NOSONAR
+    detectors.add(new CamelCaseDetector(0.5));// NOSONAR
+  }
+
+  public Set<Detector> getDetectors() {
+    return detectors;
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/text/LineTest.java b/sonar-squid/src/test/java/org/sonar/squid/text/LineTest.java
new file mode 100644
index 00000000000..e385d50298d
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/text/LineTest.java
@@ -0,0 +1,90 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.text;
+
+import org.junit.Test;
+import org.sonar.squid.measures.Metric;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class LineTest {
+
+  @Test
+  public void testIsThereCode() {
+    Line line = new Line("//comment");
+    line.setComment("//comment");
+    assertFalse(line.isThereCode());
+    line.setComment(null, false);
+    assertTrue(line.isThereCode());
+  }
+
+  @Test
+  public void testIsThereComment() {
+    Line line = new Line("  //comment");
+    line.setComment("//comment");
+    assertTrue(line.isThereComment());
+  }
+
+  @Test
+  public void testIsThereBlankComment() {
+    Line line = new Line("//");
+    line.setComment("//");
+    assertTrue(line.isThereBlankComment());
+  }
+
+  @Test(expected = IllegalStateException.class)
+  public void testUnexpectedMetric() {
+    Line line = new Line("  //comment");
+    line.getInt(Metric.CA);
+  }
+
+  @Test
+  public void testIsBlank() {
+    Line line = new Line("    ");
+    assertTrue(line.isBlank());
+    line.setComment("");
+    assertFalse(line.isBlank());
+  }
+
+  @Test
+  public void testIsThereCodeWithBlankLinesBeforeComment() {
+    Line line = new Line("   //comment");
+    line.setComment("//comment");
+    assertFalse(line.isThereCode());
+  }
+
+  @Test
+  public void testIsThereCodeWithBlankLinesAfterComment() {
+    Line line = new Line("   //comment");
+    line.setComment("//comment");
+    assertFalse(line.isThereCode());
+  }
+
+  @Test
+  public void testIsThereNoSonarTag() {
+    Line line = new Line("   //NOSONAR");
+    line.setComment("//NOSONAR");
+    assertTrue(line.isThereNoSonarTag());
+    line.setComment(null);
+    assertFalse(line.isThereNoSonarTag());
+  }
+
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/text/LinesFactoryTest.java b/sonar-squid/src/test/java/org/sonar/squid/text/LinesFactoryTest.java
new file mode 100644
index 00000000000..130d7990862
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/text/LinesFactoryTest.java
@@ -0,0 +1,89 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.text;
+
+import org.junit.Test;
+
+import java.io.StringReader;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+public class LinesFactoryTest {
+
+  @Test
+  public void getLines() {
+    LinesFactory factory = new LinesFactory(new StringReader("import java.util.*;\n\rimport java.io.*;"));
+    assertEquals(2, factory.getLines().size());
+    assertEquals("import java.util.*;", factory.getLines().get(0).getString());
+    assertEquals("import java.io.*;", factory.getLines().get(1).getString());
+  }
+
+  @Test
+  public void getLinesWithSingleLineComment() {
+    LinesFactory factory = new LinesFactory(new StringReader("import java.util.*;\n\rint a = 4; //comments\nimport java.io.*;"));
+    Line commentLine = factory.getLines().get(1);
+    assertEquals("int a = 4; //comments", commentLine.getString());
+    assertEquals("//comments", commentLine.getComment());
+  }
+
+  @Test
+  public void getLinesWithMultiLineComment() {
+    LinesFactory factory = new LinesFactory(new StringReader("import java.util.*;\n\rint a = 4; /*comments\nimport java.io.*;*/"));
+    assertEquals("/*comments", factory.getLines().get(1).getComment());
+    assertEquals("import java.io.*;*/", factory.getLines().get(2).getComment());
+  }
+  
+  @Test
+  public void testEndOfLineWithLFAndCR() {
+    LinesFactory factory = new LinesFactory(new StringReader("/*\n\r\n\r\n\r*/"));
+    assertEquals("/*", factory.getLines().get(0).getComment());
+    assertEquals("*/", factory.getLines().get(3).getComment());
+  }
+  
+  @Test
+  public void testEndOfLineWithLF() {
+    LinesFactory factory = new LinesFactory(new StringReader("/*\n\n\n*/"));
+    assertEquals("/*", factory.getLines().get(0).getComment());
+    assertEquals("*/", factory.getLines().get(3).getComment());
+  }
+  
+  @Test
+  public void testEndOfLineWithCR() {
+    LinesFactory factory = new LinesFactory(new StringReader("/*\r\r\r*/"));
+    assertEquals("/*", factory.getLines().get(0).getComment());
+    assertEquals("*/", factory.getLines().get(3).getComment());
+  }
+
+  @Test
+  public void getLinesWithCommentInsideDoubleQuotesString() {
+    LinesFactory factory = new LinesFactory(new StringReader("String toto = \"//NOSONAR\""));
+    Line commentLine = factory.getLines().get(0);
+    assertNull(commentLine.getComment());
+  }
+
+  @Test
+  public void getLinesWithCommentInsideSingleQuoteString() {
+    LinesFactory factory = new LinesFactory(new StringReader("String toto = \'//NOSONAR\'"));
+    Line commentLine = factory.getLines().get(0);
+    assertNull(commentLine.getComment());
+  }
+
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/text/LiteralValueHandlerTest.java b/sonar-squid/src/test/java/org/sonar/squid/text/LiteralValueHandlerTest.java
new file mode 100644
index 00000000000..b91af09540b
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/text/LiteralValueHandlerTest.java
@@ -0,0 +1,53 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.text;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class LiteralValueHandlerTest {
+
+  @Test
+  public void matchToBegin() {
+    LiteralValueHandler handler = new LiteralValueHandler('"');
+    assertTrue(handler.matchToBegin(new Line(), new StringBuilder("toto = \"")));
+    assertFalse(handler.matchToBegin(new Line(), new StringBuilder("toto = \'")));
+  }
+
+  @Test
+  public void matchToEnd() {
+    LiteralValueHandler handler = new LiteralValueHandler('"');
+    assertTrue(handler.matchToEnd(new Line(), new StringBuilder("toto = \"lklj\"")));
+    assertFalse(handler.matchToEnd(new Line(), new StringBuilder("\\\"")));
+    assertTrue(handler.matchToEnd(new Line(), new StringBuilder("\\\\\"")));
+    assertFalse(handler.matchToEnd(new Line(), new StringBuilder("\\\\\\\"")));
+    assertTrue(handler.matchToEnd(new Line(), new StringBuilder("\\\\\\\\\"")));
+    assertFalse(handler.matchToEnd(new Line(), new StringBuilder("toto = \'")));
+  }
+
+  @Test
+  public void matchToEndOfLine() {
+    LiteralValueHandler handler = new LiteralValueHandler('"');
+    assertTrue(handler.matchWithEndOfLine(new Line(), new StringBuilder()));
+  }
+
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/text/MultiLineCommentHandlerTest.java b/sonar-squid/src/test/java/org/sonar/squid/text/MultiLineCommentHandlerTest.java
new file mode 100644
index 00000000000..493b9654d6c
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/text/MultiLineCommentHandlerTest.java
@@ -0,0 +1,116 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.text;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class MultiLineCommentHandlerTest {
+
+  @Test(expected = IllegalStateException.class)
+  public void illegalCallToMatchToEnd() {
+    MultiLinesCommentHandler handler = new MultiLinesCommentHandler();
+    Line line = new Line();
+    StringBuilder builder = new StringBuilder("d");
+    handler.matchToEnd(line, builder);
+  }
+
+  @Test
+  public void matchWithEndOfLine() {
+    MultiLinesCommentHandler handler = new MultiLinesCommentHandler();
+    Line line = new Line();
+    StringBuilder builder = new StringBuilder("import java.util.*;  /*");
+    assertTrue(handler.matchToBegin(line, builder));
+    builder.append('N');
+    assertFalse(handler.matchToEnd(line, builder));
+    builder.append('O');
+    assertFalse(handler.matchToEnd(line, builder));
+    assertFalse(handler.matchWithEndOfLine(line, builder));
+    assertEquals("/*NO", line.getComment());
+    builder.append('*');
+    assertFalse(handler.matchToEnd(line, builder));
+    builder.append('/');
+    assertTrue(handler.matchToEnd(line, builder));
+    assertEquals("*/", line.getComment());
+  }
+
+  @Test
+  public void testHeaderLicenseComment() {
+    MultiLinesCommentHandler handler = new MultiLinesCommentHandler();
+    Line line = new Line(1);
+    StringBuilder builder = new StringBuilder("/*");
+    assertTrue(handler.matchToBegin(line, builder));
+    assertFalse(handler.matchWithEndOfLine(line, builder));
+    assertTrue(line.isThereLicenseHeaderComment());
+
+    line = new Line(2);
+    builder = new StringBuilder("/*");
+    assertTrue(handler.matchToBegin(line, builder));
+    assertFalse(handler.matchWithEndOfLine(line, builder));
+    assertFalse(line.isThereLicenseHeaderComment());
+  }
+
+  @Test
+  public void testJavaDocComment() {
+    MultiLinesCommentHandler handler = new MultiLinesCommentHandler();
+    Line line = new Line(1);
+    StringBuilder builder = new StringBuilder("/*");
+    assertTrue(handler.matchToBegin(line, builder));
+    builder.append('*');
+    assertFalse(handler.matchToEnd(line, builder));
+    assertFalse(handler.matchWithEndOfLine(line, builder));
+    assertTrue(line.isThereJavadoc());
+
+    handler = new MultiLinesCommentHandler();
+    line = new Line(1);
+    builder = new StringBuilder("/*");
+    assertTrue(handler.matchToBegin(line, builder));
+    assertFalse(handler.matchWithEndOfLine(line, builder));
+    assertFalse(line.isThereJavadoc());
+  }
+
+  @Test
+  public void matchToBegin() {
+    MultiLinesCommentHandler handler = new MultiLinesCommentHandler();
+    assertFalse(handler.matchToBegin(new Line(), new StringBuilder("import java.util.*;")));
+    assertFalse(handler.matchToBegin(new Line(), new StringBuilder("")));
+    assertTrue(handler.matchToBegin(new Line(), new StringBuilder("import java.util.*;  /*")));
+  }
+  
+  @Test
+  public void testBeginEndCommentWithOnly3Chars() {
+    MultiLinesCommentHandler handler = new MultiLinesCommentHandler();
+    Line line = new Line(1);
+    StringBuilder builder = new StringBuilder("/*");
+    assertTrue(handler.matchToBegin(line, builder));
+    builder = new StringBuilder("/*/");
+    assertFalse(handler.matchToEnd(line, builder));
+    
+    handler = new MultiLinesCommentHandler();
+    line = new Line(1);
+    builder = new StringBuilder("/*");
+    assertTrue(handler.matchToBegin(line, builder));
+    builder = new StringBuilder("/**/");
+    assertTrue(handler.matchToEnd(line, builder));
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/text/SingleLineCommentHandlerTest.java b/sonar-squid/src/test/java/org/sonar/squid/text/SingleLineCommentHandlerTest.java
new file mode 100644
index 00000000000..70961a3e625
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/text/SingleLineCommentHandlerTest.java
@@ -0,0 +1,67 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.text;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class SingleLineCommentHandlerTest {
+
+  @Test(expected = IllegalStateException.class)
+  public void illegalCallToMatchToEnd() {
+    SingleLineCommentHandler handler = new SingleLineCommentHandler("//");
+    Line line = new Line();
+    StringBuilder builder = new StringBuilder("d");
+    handler.matchToEnd(line, builder);
+  }
+
+  @Test
+  public void matchWithEndOfLine() {
+    SingleLineCommentHandler handler = new SingleLineCommentHandler("//");
+    Line line = new Line();
+    StringBuilder builder = new StringBuilder("import java.util.*;  //");
+    assertTrue(handler.matchToBegin(line, builder));
+    builder.append('N');
+    assertFalse(handler.matchToEnd(line, builder));
+    builder.append('O');
+    assertFalse(handler.matchToEnd(line, builder));
+    assertTrue(handler.matchWithEndOfLine(line, builder));
+    assertEquals("//NO", line.getComment());
+  }
+
+  @Test
+  public void matchToBegin() {
+    SingleLineCommentHandler handler = new SingleLineCommentHandler("//", "*//");
+    assertFalse(handler.matchToBegin(new Line(), new StringBuilder("import java.util.*;")));
+    assertFalse(handler.matchToBegin(new Line(), new StringBuilder("")));
+    assertTrue(handler.matchToBegin(new Line(), new StringBuilder("import java.util.*;  //")));
+    assertFalse(handler.matchToBegin(new Line(), new StringBuilder("/*import java.util.*;  *//")));
+  }
+
+  @Test
+  public void matchToBeginWithDoubleDash() {
+    SingleLineCommentHandler handler = new SingleLineCommentHandler("--");
+    assertFalse(handler.matchToBegin(new Line(), new StringBuilder("//")));
+    assertTrue(handler.matchToBegin(new Line(), new StringBuilder("--")));
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/text/SourceTest.java b/sonar-squid/src/test/java/org/sonar/squid/text/SourceTest.java
new file mode 100644
index 00000000000..73d96313f37
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/text/SourceTest.java
@@ -0,0 +1,180 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.text;
+
+import org.junit.Test;
+import org.sonar.squid.measures.Metric;
+import org.sonar.squid.recognizer.CodeRecognizer;
+
+import java.io.StringReader;
+
+import static org.junit.Assert.assertEquals;
+
+public class SourceTest {
+
+  private CodeRecognizer codeRecognizer = new CodeRecognizer(0.91, new JavaFootprint());
+
+  @Test
+  public void testGetLines() {
+    String[] lines = { "", "int i = 0;" };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(2, source.getMeasure(Metric.LINES));
+  }
+
+  @Test(expected = IllegalStateException.class)
+  public void testGetIllegalMetric() {
+    String[] lines = { "", "int i = 0;" };
+    Source source = new Source(lines, codeRecognizer);
+    source.getMeasure(Metric.COMPLEXITY);
+  }
+
+  @Test
+  public void testGetBlankLines() {
+    String[] lines = { "package toto;", " " };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(1, source.getMeasure(Metric.BLANK_LINES));
+  }
+
+  @Test
+  public void testGetCppCommentLines() {
+    String[] lines = { "package toto;", "//this is a comment", "int i = 4; //new comment" };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(2, source.getMeasure(Metric.COMMENT_LINES));
+    assertEquals(1, source.getMeasure(Metric.COMMENT_LINES, 2, 2));
+    assertEquals(2, source.getMeasure(Metric.LINES_OF_CODE));
+  }
+
+  @Test
+  public void testGetCCommentLines() {
+    String[] lines = { "package toto;", " int a = 4; /*this is a comment", "new line of comment", "end of comment */ int b = 4;" };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(3, source.getMeasure(Metric.COMMENT_LINES));
+    assertEquals(1, source.getMeasure(Metric.COMMENT_LINES, 2, 2));
+    assertEquals(3, source.getMeasure(Metric.LINES_OF_CODE));
+  }
+  
+  @Test
+  public void testGetAdjacentCCommentBlocks() {
+    String[] lines = { "/*first comment*//*second ", " * + \"Ver.", "comment*/" };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(3, source.getMeasure(Metric.COMMENT_LINES));
+    assertEquals(3, source.getMeasure(Metric.LINES));
+  }
+
+  @Test
+  public void testGetLinesOfCode() {
+    String[] lines = { "package toto;", " ", "import java.util.*;" };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(2, source.getMeasure(Metric.LINES_OF_CODE));
+    assertEquals(0, source.getMeasure(Metric.LINES_OF_CODE, 2, 2));
+  }
+
+  @Test
+  public void testGetCommentedCodeOutLines() {
+    String[] lines = { "", "/*package toto;", "}*/", " ", "import java.util.*;" };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(1, source.getMeasure(Metric.LINES_OF_CODE));
+    assertEquals(0, source.getMeasure(Metric.COMMENT_LINES));
+    assertEquals(2, source.getMeasure(Metric.COMMENTED_OUT_CODE_LINES));
+  }
+
+  @Test
+  public void testBlankLinesAfterEndOfComment() {
+    String[] lines = { "/*Comment*/ " };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(0, source.getMeasure(Metric.LINES_OF_CODE));
+    assertEquals(1, source.getMeasure(Metric.COMMENT_LINES));
+  }
+
+  @Test
+  public void testGetCommentedCodeOutLinesIntoJavadoc() {
+    String[] lines = { "/**package toto;", "}*/", " ", "import java.util.*;" };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(1, source.getMeasure(Metric.LINES_OF_CODE));
+    assertEquals(2, source.getMeasure(Metric.COMMENT_LINES));
+    assertEquals(0, source.getMeasure(Metric.COMMENTED_OUT_CODE_LINES));
+  }
+
+  @Test
+  public void testGetBlankCommentLines() {
+    String[] lines = { "/**", "*/", "import java.util.*;" };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(3, source.getMeasure(Metric.LINES));
+    assertEquals(1, source.getMeasure(Metric.LINES_OF_CODE));
+    assertEquals(0, source.getMeasure(Metric.COMMENT_LINES));
+    assertEquals(2, source.getMeasure(Metric.COMMENT_BLANK_LINES));
+  }
+
+  @Test
+  public void testGetNoSonarTagLines() {
+    String[] lines = { "import java.util.*;", "//NOSONAR comment", };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(1, source.getMeasure(Metric.COMMENT_LINES));
+    assertEquals(1, source.getNoSonarTagLines().size());
+  }
+
+  @Test
+  public void testGetBlankLinesFromTo() {
+    String[] lines = { "package toto;", "", "import java.util.*", "   " };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(1, source.getMeasure(Metric.BLANK_LINES, 1, 3));
+    assertEquals(1, source.getMeasure(Metric.BLANK_LINES, 3, 4));
+    assertEquals(2, source.getMeasure(Metric.BLANK_LINES, 1, 4));
+  }
+
+  @Test
+  public void endWithEmptyLine() {
+    String[] lines = { "package toto;", "" };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(1, source.getMeasure(Metric.BLANK_LINES));
+    assertEquals(2, source.getMeasure(Metric.LINES));
+  }
+
+  @Test(expected = IllegalStateException.class)
+  public void testGetBlankLinesFromToWithOutOfBoundIndex() {
+    String[] lines = { "package toto;" };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(1, source.getMeasure(Metric.BLANK_LINES, 1, 3));
+  }
+
+  @Test
+  public void testConstructorWithReader() {
+    Source source = new Source(new StringReader("package toto; \nimport java.util.*;"), codeRecognizer);
+    assertEquals(2, source.getMeasure(Metric.LINES));
+    assertEquals(2, source.getMeasure(Metric.LINES_OF_CODE));
+  }
+
+  @Test
+  public void nativeGWTCodeRecognition() {
+    String[] lines = { "/*-{", "// JavaScript code", "return this.nextSibling;", "}-*/;" };
+    Source source = new Source(lines, codeRecognizer);
+    assertEquals(4, source.getMeasure(Metric.LINES));
+    assertEquals(3, source.getMeasure(Metric.LINES_OF_CODE));
+    assertEquals(1, source.getMeasure(Metric.COMMENT_LINES));
+  }
+
+  @Test
+  public void testSingleLineCommentWithDoubleDash() {
+    String[] lines = { "import java.util.*;", "--NOSONAR", };
+    Source source = new Source(new StringArrayReader(lines), codeRecognizer, "--");
+    assertEquals(1, source.getMeasure(Metric.COMMENT_LINES));
+    assertEquals(1, source.getNoSonarTagLines().size());
+  }
+}
diff --git a/sonar-squid/src/test/java/org/sonar/squid/text/StringArrayReaderTest.java b/sonar-squid/src/test/java/org/sonar/squid/text/StringArrayReaderTest.java
new file mode 100644
index 00000000000..b07d05accf6
--- /dev/null
+++ b/sonar-squid/src/test/java/org/sonar/squid/text/StringArrayReaderTest.java
@@ -0,0 +1,184 @@
+/*
+ * Sonar, open source software quality management tool.
+ * Copyright (C) 2009 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * Sonar is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * Sonar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Sonar; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+ */
+package org.sonar.squid.text;
+
+import org.junit.Test;
+import org.sonar.squid.text.StringArrayReader.EndOfLineDelimiter;
+
+import java.io.IOException;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+public class StringArrayReaderTest {
+
+  @Test
+  public void read() throws IOException {
+    String[] lines = { "import java.util.*;", "//NOSONAR comment", };
+    StringArrayReader reader = new StringArrayReader(lines);
+    assertEquals('i', reader.read());
+    assertEquals('m', reader.read());
+  }
+
+  @Test
+  public void testLFEndOfLineDelimiter() throws IOException {
+    String[] lines = { ";", ";", };
+    StringArrayReader reader = new StringArrayReader(lines, EndOfLineDelimiter.LF);
+    assertEquals(';', reader.read());
+    assertEquals('\n', reader.read());
+    assertEquals(';', reader.read());
+  }
+
+  @Test
+  public void testCREndOfLineDelimiter() throws IOException {
+    String[] lines = { ";", ";", };
+    StringArrayReader reader = new StringArrayReader(lines, EndOfLineDelimiter.CR);
+    assertEquals(';', reader.read());
+    assertEquals('\r', reader.read());
+    assertEquals(';', reader.read());
+  }
+
+  @Test
+  public void testCRPlusLFEndOfLineDelimiter() throws IOException {
+    String[] lines = { ";", ";", };
+    StringArrayReader reader = new StringArrayReader(lines, EndOfLineDelimiter.CR_PLUS_LF);
+    assertEquals(';', reader.read());
+    assertEquals('\r', reader.read());
+    assertEquals('\n', reader.read());
+    assertEquals(';', reader.read());
+  }
+
+  @Test
+  public void ready() throws IOException {
+    String[] lines = { ";", "//NOSONAR", };
+    StringArrayReader reader = new StringArrayReader(lines);
+    assertTrue(reader.ready());
+  }
+
+  @Test
+  public void markSupported() throws IOException {
+    String[] lines = {};
+    StringArrayReader reader = new StringArrayReader(lines);
+    assertTrue(reader.markSupported());
+  }
+
+  @Test
+  public void mark() throws IOException {
+    String[] lines = { ";", "//NOSONAR", };
+    StringArrayReader reader = new StringArrayReader(lines);
+    reader.read(new char[4], 0, 4);
+    reader.mark(4);
+    reader.read(new char[2], 0, 2);
+    reader.reset();
+    assertEquals('N', reader.read());
+    assertEquals('O', reader.read());
+  }
+
+  @Test(expected = IOException.class)
+  public void close() throws IOException {
+    String[] lines = { ";", "//NOSONAR", };
+    StringArrayReader reader = new StringArrayReader(lines);
+    assertTrue(reader.ready());
+    reader.close();
+    reader.ready();
+  }
+
+  @Test
+  public void readEndOfArray() throws IOException {
+    String[] lines = { ";" };
+    StringArrayReader reader = new StringArrayReader(lines);
+    assertEquals(';', reader.read());
+    assertEquals(-1, reader.read());
+  }
+
+  @Test
+  public void readMultipleCharacters() throws IOException {
+    String[] lines = { ";", "//NOSONAR", };
+    StringArrayReader reader = new StringArrayReader(lines);
+    char[] chars = new char[4];
+    assertEquals(4, reader.read(chars, 0, 4));
+    assertEquals(";\n//", new String(chars));
+  }
+
+  @Test
+  public void readMultipleCharactersTillEndOfArray() throws IOException {
+    String[] lines = { ";", "//NOSONAR", };
+    StringArrayReader reader = new StringArrayReader(lines);
+    char[] chars = new char[11];
+    assertEquals(11, reader.read(chars, 0, 11));
+    assertEquals(";\n//NOSONAR", new String(chars));
+  }
+
+  @Test
+  public void readEmptyArray() throws IOException {
+    String[] lines = {};
+    StringArrayReader reader = new StringArrayReader(lines);
+    char[] cbuf = new char[10000];
+    assertEquals(-1, reader.read(cbuf, 0, 10000));
+  }
+
+  @Test
+  public void readMultipleCharactersWithEmptyLineAtEnd() throws IOException {
+    String[] lines = { ";", "//NOSONAR", "", "" };
+    StringArrayReader reader = new StringArrayReader(lines);
+    char[] cbuf = new char[10000];
+    assertEquals(13, reader.read(cbuf, 0, 10000));
+    assertEquals(";\n//NOSONAR\n\n", new String(cbuf, 0, 13));
+  }
+
+  @Test
+  public void readOneCharacter() throws IOException {
+    String[] lines = { ";", "//NOSONAR" };
+    StringArrayReader reader = new StringArrayReader(lines);
+    char[] chars = new char[1];
+    assertEquals(1, reader.read(chars, 0, 1));
+    assertEquals(";", new String(chars));
+  }
+
+  @Test
+  public void readBlankLines() throws IOException {
+    String[] lines = { "", "", "" };
+    StringArrayReader reader = new StringArrayReader(lines);
+    assertEquals('\n', reader.read());
+    assertEquals('\n', reader.read());
+    assertEquals(-1, reader.read());
+  }
+
+  @Test
+  public void skip() throws IOException {
+    String[] lines = { "//NOSONAR", };
+    StringArrayReader reader = new StringArrayReader(lines);
+    reader.skip(2);
+    assertEquals('N', reader.read());
+  }
+
+  @Test
+  public void readEOF() throws IOException {
+    String[] emptyLines = {};
+    StringArrayReader reader = new StringArrayReader(emptyLines);
+    assertEquals(-1, reader.read());
+
+    String[] lines = { "a" };
+    reader = new StringArrayReader(lines);
+    assertEquals('a', reader.read());
+    assertEquals(-1, reader.read());
+  }
+
+}