X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/util/TestCharacterUtils.java

diff --git a/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/util/TestCharacterUtils.java b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/util/TestCharacterUtils.java
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+++ b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/util/TestCharacterUtils.java
@@ -0,0 +1,192 @@
+package org.apache.lucene.util;
+
+/**
+ * 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.
+ */
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.StringReader;
+
+import org.apache.lucene.util.CharacterUtils.CharacterBuffer;
+import org.junit.Test;
+
+/**
+ * TestCase for the {@link CharacterUtils} class.
+ */
+public class TestCharacterUtils extends LuceneTestCase {
+
+  @Test
+  public void testCodePointAtCharArrayInt() {
+    CharacterUtils java4 = CharacterUtils.getInstance(Version.LUCENE_30);
+    char[] cpAt3 = "Abc\ud801\udc1c".toCharArray();
+    char[] highSurrogateAt3 = "Abc\ud801".toCharArray();
+    assertEquals((int) 'A', java4.codePointAt(cpAt3, 0));
+    assertEquals((int) '\ud801', java4.codePointAt(cpAt3, 3));
+    assertEquals((int) '\ud801', java4.codePointAt(highSurrogateAt3, 3));
+    try {
+      java4.codePointAt(highSurrogateAt3, 4);
+      fail("array index out of bounds");
+    } catch (IndexOutOfBoundsException e) {
+    }
+
+    CharacterUtils java5 = CharacterUtils.getInstance(TEST_VERSION_CURRENT);
+    assertEquals((int) 'A', java5.codePointAt(cpAt3, 0));
+    assertEquals(Character.toCodePoint('\ud801', '\udc1c'), java5.codePointAt(
+        cpAt3, 3));
+    assertEquals((int) '\ud801', java5.codePointAt(highSurrogateAt3, 3));
+    try {
+      java5.codePointAt(highSurrogateAt3, 4);
+      fail("array index out of bounds");
+    } catch (IndexOutOfBoundsException e) {
+    }
+  }
+
+  @Test
+  public void testCodePointAtCharSequenceInt() {
+    CharacterUtils java4 = CharacterUtils.getInstance(Version.LUCENE_30);
+    String cpAt3 = "Abc\ud801\udc1c";
+    String highSurrogateAt3 = "Abc\ud801";
+    assertEquals((int) 'A', java4.codePointAt(cpAt3, 0));
+    assertEquals((int) '\ud801', java4.codePointAt(cpAt3, 3));
+    assertEquals((int) '\ud801', java4.codePointAt(highSurrogateAt3, 3));
+    try {
+      java4.codePointAt(highSurrogateAt3, 4);
+      fail("string index out of bounds");
+    } catch (IndexOutOfBoundsException e) {
+    }
+
+    CharacterUtils java5 = CharacterUtils.getInstance(TEST_VERSION_CURRENT);
+    assertEquals((int) 'A', java5.codePointAt(cpAt3, 0));
+    assertEquals(Character.toCodePoint('\ud801', '\udc1c'), java5.codePointAt(
+        cpAt3, 3));
+    assertEquals((int) '\ud801', java5.codePointAt(highSurrogateAt3, 3));
+    try {
+      java5.codePointAt(highSurrogateAt3, 4);
+      fail("string index out of bounds");
+    } catch (IndexOutOfBoundsException e) {
+    }
+
+  }
+
+  @Test
+  public void testCodePointAtCharArrayIntInt() {
+    CharacterUtils java4 = CharacterUtils.getInstance(Version.LUCENE_30);
+    char[] cpAt3 = "Abc\ud801\udc1c".toCharArray();
+    char[] highSurrogateAt3 = "Abc\ud801".toCharArray();
+    assertEquals((int) 'A', java4.codePointAt(cpAt3, 0, 2));
+    assertEquals((int) '\ud801', java4.codePointAt(cpAt3, 3, 5));
+    assertEquals((int) '\ud801', java4.codePointAt(highSurrogateAt3, 3, 4));
+
+    CharacterUtils java5 = CharacterUtils.getInstance(TEST_VERSION_CURRENT);
+    assertEquals((int) 'A', java5.codePointAt(cpAt3, 0, 2));
+    assertEquals(Character.toCodePoint('\ud801', '\udc1c'), java5.codePointAt(
+        cpAt3, 3, 5));
+    assertEquals((int) '\ud801', java5.codePointAt(highSurrogateAt3, 3, 4));
+
+  }
+
+  @Test
+  public void testNewCharacterBuffer() {
+    CharacterBuffer newCharacterBuffer = CharacterUtils.newCharacterBuffer(1024);
+    assertEquals(1024, newCharacterBuffer.getBuffer().length);
+    assertEquals(0, newCharacterBuffer.getOffset());
+    assertEquals(0, newCharacterBuffer.getLength());
+
+    newCharacterBuffer = CharacterUtils.newCharacterBuffer(2);
+    assertEquals(2, newCharacterBuffer.getBuffer().length);
+    assertEquals(0, newCharacterBuffer.getOffset());
+    assertEquals(0, newCharacterBuffer.getLength());
+
+    try {
+      newCharacterBuffer = CharacterUtils.newCharacterBuffer(1);
+      fail("length must be >= 2");
+    } catch (IllegalArgumentException e) {
+    }
+  }
+
+  @Test
+  public void testFillNoHighSurrogate() throws IOException {
+    Version[] versions = new Version[] { Version.LUCENE_30, TEST_VERSION_CURRENT };
+    for (Version version : versions) {
+      CharacterUtils instance = CharacterUtils.getInstance(version);
+      Reader reader = new StringReader("helloworld");
+      CharacterBuffer buffer = CharacterUtils.newCharacterBuffer(6);
+      assertTrue(instance.fill(buffer,reader));
+      assertEquals(0, buffer.getOffset());
+      assertEquals(6, buffer.getLength());
+      assertEquals("hellow", new String(buffer.getBuffer()));
+      assertTrue(instance.fill(buffer,reader));
+      assertEquals(4, buffer.getLength());
+      assertEquals(0, buffer.getOffset());
+
+      assertEquals("orld", new String(buffer.getBuffer(), buffer.getOffset(),
+          buffer.getLength()));
+      assertFalse(instance.fill(buffer,reader));
+    }
+  }
+
+  @Test
+  public void testFillJava15() throws IOException {
+    String input = "1234\ud801\udc1c789123\ud801\ud801\udc1c\ud801";
+    CharacterUtils instance = CharacterUtils.getInstance(TEST_VERSION_CURRENT);
+    Reader reader = new StringReader(input);
+    CharacterBuffer buffer = CharacterUtils.newCharacterBuffer(5);
+    assertTrue(instance.fill(buffer, reader));
+    assertEquals(4, buffer.getLength());
+    assertEquals("1234", new String(buffer.getBuffer(), buffer.getOffset(),
+        buffer.getLength()));
+    assertTrue(instance.fill(buffer, reader));
+    assertEquals(5, buffer.getLength());
+    assertEquals("\ud801\udc1c789", new String(buffer.getBuffer()));
+    assertTrue(instance.fill(buffer, reader));
+    assertEquals(4, buffer.getLength());
+    assertEquals("123\ud801", new String(buffer.getBuffer(),
+        buffer.getOffset(), buffer.getLength()));
+    assertTrue(instance.fill(buffer, reader));
+    assertEquals(2, buffer.getLength());
+    assertEquals("\ud801\udc1c", new String(buffer.getBuffer(), buffer
+        .getOffset(), buffer.getLength()));
+    assertTrue(instance.fill(buffer, reader));
+    assertEquals(1, buffer.getLength());
+    assertEquals("\ud801", new String(buffer.getBuffer(), buffer
+        .getOffset(), buffer.getLength()));
+    assertFalse(instance.fill(buffer, reader));
+  }
+
+  @Test
+  public void testFillJava14() throws IOException {
+    String input = "1234\ud801\udc1c789123\ud801\ud801\udc1c\ud801";
+    CharacterUtils instance = CharacterUtils.getInstance(Version.LUCENE_30);
+    Reader reader = new StringReader(input);
+    CharacterBuffer buffer = CharacterUtils.newCharacterBuffer(5);
+    assertTrue(instance.fill(buffer, reader));
+    assertEquals(5, buffer.getLength());
+    assertEquals("1234\ud801", new String(buffer.getBuffer(), buffer
+        .getOffset(), buffer.getLength()));
+    assertTrue(instance.fill(buffer, reader));
+    assertEquals(5, buffer.getLength());
+    assertEquals("\udc1c7891", new String(buffer.getBuffer()));
+    buffer = CharacterUtils.newCharacterBuffer(6);
+    assertTrue(instance.fill(buffer, reader));
+    assertEquals(6, buffer.getLength());
+    assertEquals("23\ud801\ud801\udc1c\ud801", new String(buffer.getBuffer(), buffer
+        .getOffset(), buffer.getLength()));
+    assertFalse(instance.fill(buffer, reader));
+
+  }
+
+}