1 files changed, 72 insertions, 0 deletions
diff --git a/test/java/org/apache/fop/svg/font/FOPGVTFontTestCase.java b/test/java/org/apache/fop/svg/font/FOPGVTFontTestCase.java
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+++ b/test/java/org/apache/fop/svg/font/FOPGVTFontTestCase.java
@@ -0,0 +1,72 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* $Id$ */
+
+package org.apache.fop.svg.font;
+
+import java.text.StringCharacterIterator;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import org.apache.fop.fonts.Font;
+import org.apache.fop.svg.font.FOPGVTFont;
+
+public class FOPGVTFontTestCase {
+
+    private FOPGVTFont font;
+
+    @Before
+    public void createFont() {
+        Font f = mock(Font.class);
+        when(f.hasChar(eq((char) 0))).thenReturn(false);
+        when(f.hasChar(eq((char) 1))).thenReturn(true);
+        font = new FOPGVTFont(f, null);
+    }
+
+    @Test
+    public void testCanDisplayUpTo() {
+        char[] text = new char[] {1, 1, 1};
+        testCanDisplayUpToVariants(text, -1, 0, 3);
+        testCanDisplayUpToVariants(text, -1, 1, 3);
+        text = new char[] {1, 1, 0, 1};
+        testCanDisplayUpToVariants(text, 2, 0, 4);
+        testCanDisplayUpToVariants(text, 2, 1, 4);
+        testCanDisplayUpToVariants(text, 2, 2, 4);
+        testCanDisplayUpToVariants(text, -1, 3, 4);
+        testCanDisplayUpToVariants(text, -1, 1, 2);
+    }
+
+    @Test
+    public void testCanDisplayUpToString() {
+        assertEquals(-1, font.canDisplayUpTo(new String(new char[] {1, 1, 1})));
+        assertEquals(0, font.canDisplayUpTo(new String(new char[] {0, 1, 1})));
+        assertEquals(1, font.canDisplayUpTo(new String(new char[] {1, 0, 1})));
+        assertEquals(2, font.canDisplayUpTo(new String(new char[] {1, 1, 0})));
+    }
+
+    private void testCanDisplayUpToVariants(char[] text, int expected, int start, int limit) {
+        assertEquals(expected, font.canDisplayUpTo(text, start, limit));
+        assertEquals(expected, font.canDisplayUpTo(new StringCharacterIterator(new String(text)), start, limit));
+    }
+}