Improve code coverage

3 files changed, 72 insertions, 5 deletions

diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/duplication/DuplicationGroup.java b/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/duplication/DuplicationGroup.java
index 710ab81c652..5d3d833a906 100644
--- a/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/duplication/DuplicationGroup.java
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/batch/sensor/duplication/DuplicationGroup.java
@@ -146,8 +146,10 @@ public class DuplicationGroup {
     EqualsBuilder equalsBuilder = new EqualsBuilder()
       .append(originBlock, rhs.originBlock)
       .append(duplicates.size(), rhs.duplicates.size());
-    for (int i = 0; i < duplicates.size(); i++) {
-      equalsBuilder.append(duplicates.get(i), rhs.duplicates.get(i));
+    if (duplicates.size() == rhs.duplicates.size()) {
+      for (int i = 0; i < duplicates.size(); i++) {
+        equalsBuilder.append(duplicates.get(i), rhs.duplicates.get(i));
+      }
     }
     return equalsBuilder.isEquals();
   }
diff --git a/sonar-plugin-api/src/test/java/org/sonar/api/batch/sensor/duplication/DuplicationGroupTest.java b/sonar-plugin-api/src/test/java/org/sonar/api/batch/sensor/duplication/DuplicationGroupTest.java
new file mode 100644
index 00000000000..98345403912
--- /dev/null
+++ b/sonar-plugin-api/src/test/java/org/sonar/api/batch/sensor/duplication/DuplicationGroupTest.java
@@ -0,0 +1,63 @@
+/*
+ * SonarQube, open source software quality management tool.
+ * Copyright (C) 2008-2014 SonarSource
+ * mailto:contact AT sonarsource DOT com
+ *
+ * SonarQube 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.
+ *
+ * SonarQube 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 this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.api.batch.sensor.duplication;
+
+import org.junit.Test;
+
+import java.util.Arrays;
+
+import static org.fest.assertions.Assertions.assertThat;
+
+public class DuplicationGroupTest {
+
+  @Test
+  public void testBlockEqualsAndCo() {
+    DuplicationGroup.Block b1 = new DuplicationGroup.Block("foo", 1, 10);
+    DuplicationGroup.Block b2 = new DuplicationGroup.Block("foo", 1, 10);
+    assertThat(b1).isEqualTo(b1);
+    assertThat(b1).isEqualTo(b2);
+    assertThat(b1).isNotEqualTo("");
+    assertThat(b1).isNotEqualTo(new DuplicationGroup.Block("foo1", 1, 10));
+    assertThat(b1).isNotEqualTo(new DuplicationGroup.Block("foo", 2, 10));
+    assertThat(b1).isNotEqualTo(new DuplicationGroup.Block("foo", 1, 11));
+
+    assertThat(b1.hashCode()).isEqualTo(188843970);
+    assertThat(b1.toString()).isEqualTo("DuplicationGroup.Block[resourceKey=foo,startLine=1,length=10]");
+  }
+
+  @Test
+  public void testDuplicationGroupEqualsAndCo() {
+    DuplicationGroup d1 = new DuplicationGroup(new DuplicationGroup.Block("foo", 1, 10));
+    d1.setDuplicates(Arrays.asList(new DuplicationGroup.Block("foo", 20, 10), new DuplicationGroup.Block("foo2", 1, 10)));
+    DuplicationGroup d2 = new DuplicationGroup(new DuplicationGroup.Block("foo", 1, 10));
+    d2.setDuplicates(Arrays.asList(new DuplicationGroup.Block("foo", 20, 10), new DuplicationGroup.Block("foo2", 1, 10)));
+    assertThat(d1).isEqualTo(d1);
+    assertThat(d1).isEqualTo(d2);
+    assertThat(d1).isNotEqualTo("");
+    assertThat(d1).isNotEqualTo(new DuplicationGroup(new DuplicationGroup.Block("foo", 1, 10)));
+
+    assertThat(d1.hashCode()).isEqualTo(578909124);
+    assertThat(d1.toString()).contains("[\n" +
+      "  origin=DuplicationGroup.Block[resourceKey=foo,startLine=1,length=10]\n" +
+      "  duplicates=[DuplicationGroup.Block[resourceKey=foo,startLine=20,length=10], DuplicationGroup.Block[resourceKey=foo2,startLine=1,length=10]]\n" +
+      "]");
+  }
+
+}
diff --git a/sonar-plugin-api/src/test/java/org/sonar/api/batch/sensor/duplication/internal/DefaultDuplicationBuilderTest.java b/sonar-plugin-api/src/test/java/org/sonar/api/batch/sensor/duplication/internal/DefaultDuplicationBuilderTest.java
index 8da5669729f..17a813dbf35 100644
--- a/sonar-plugin-api/src/test/java/org/sonar/api/batch/sensor/duplication/internal/DefaultDuplicationBuilderTest.java
+++ b/sonar-plugin-api/src/test/java/org/sonar/api/batch/sensor/duplication/internal/DefaultDuplicationBuilderTest.java
@@ -22,6 +22,7 @@ package org.sonar.api.batch.sensor.duplication.internal;
 import org.junit.Test;
 import org.sonar.api.batch.fs.internal.DefaultInputFile;
 import org.sonar.api.batch.sensor.duplication.DuplicationGroup;
+import org.sonar.api.batch.sensor.duplication.DuplicationGroup.Block;
 
 import java.util.List;
 
@@ -41,9 +42,10 @@ public class DefaultDuplicationBuilderTest {
       .build();
 
     assertThat(duplicationGroup).hasSize(2);
-    assertThat(duplicationGroup.get(0).originBlock().resourceKey()).isEqualTo("foo:foo.php");
-    assertThat(duplicationGroup.get(0).originBlock().startLine()).isEqualTo(1);
-    assertThat(duplicationGroup.get(0).originBlock().length()).isEqualTo(11);
+    Block originBlock = duplicationGroup.get(0).originBlock();
+    assertThat(originBlock.resourceKey()).isEqualTo("foo:foo.php");
+    assertThat(originBlock.startLine()).isEqualTo(1);
+    assertThat(originBlock.length()).isEqualTo(11);
     assertThat(duplicationGroup.get(0).duplicates()).hasSize(2);
   }