Package org.apache.lucene.util.CharacterUtils

Examples of org.apache.lucene.util.CharacterUtils.CharacterBuffer

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  }

  @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) {
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  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));
    }
  }
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  @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));
  }
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  @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));

  }
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Related Classes of org.apache.lucene.util.CharacterUtils.CharacterBuffer

  • org.apache.lucene.util.TestCharacterUtils
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