//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public void testBigrams() throws Exception
public virtual void testBigrams()
{
NGramTokenFilter filter = new NGramTokenFilter(TEST_VERSION_CURRENT, input, 2, 2);
assertTokenStreamContents(filter, new string[]{"ab","bc","cd","de"}, new int[]{0,0,0,0}, new int[]{5,5,5,5}, new int[]{1,0,0,0});
}
public PositionLengthAttributeAnonymousInnerClassHelper(NGramTokenFilter outerInstance)
{
this.outerInstance = outerInstance;
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public void testSupplementaryCharacters() throws java.io.IOException
public virtual void testSupplementaryCharacters()
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final String s = org.apache.lucene.util.TestUtil.randomUnicodeString(random(), 10);
string s = TestUtil.randomUnicodeString(random(), 10);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int codePointCount = s.codePointCount(0, s.length());
int codePointCount = s.codePointCount(0, s.Length);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int minGram = org.apache.lucene.util.TestUtil.nextInt(random(), 1, 3);
int minGram = TestUtil.Next(random(), 1, 3);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int maxGram = org.apache.lucene.util.TestUtil.nextInt(random(), minGram, 10);
int maxGram = TestUtil.Next(random(), minGram, 10);
TokenStream tk = new KeywordTokenizer(new StringReader(s));
tk = new NGramTokenFilter(TEST_VERSION_CURRENT, tk, minGram, maxGram);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.apache.lucene.analysis.tokenattributes.CharTermAttribute termAtt = tk.addAttribute(org.apache.lucene.analysis.tokenattributes.CharTermAttribute.class);
CharTermAttribute termAtt = tk.addAttribute(typeof(CharTermAttribute));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.apache.lucene.analysis.tokenattributes.OffsetAttribute offsetAtt = tk.addAttribute(org.apache.lucene.analysis.tokenattributes.OffsetAttribute.class);
OffsetAttribute offsetAtt = tk.addAttribute(typeof(OffsetAttribute));
tk.reset();
for (int start = 0; start < codePointCount; ++start)
{
for (int end = start + minGram; end <= Math.Min(codePointCount, start + maxGram); ++end)
{
assertTrue(tk.incrementToken());
assertEquals(0, offsetAtt.startOffset());
assertEquals(s.Length, offsetAtt.endOffset());
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int startIndex = Character.offsetByCodePoints(s, 0, start);
int startIndex = char.offsetByCodePoints(s, 0, start);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int endIndex = Character.offsetByCodePoints(s, 0, end);
int endIndex = char.offsetByCodePoints(s, 0, end);
assertEquals(s.Substring(startIndex, endIndex - startIndex), termAtt.ToString());
}
}
assertFalse(tk.incrementToken());
}
protected internal override TokenStreamComponents createComponents(string fieldName, Reader reader)
{
Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
TokenFilter filters = new ASCIIFoldingFilter(tokenizer);
filters = new NGramTokenFilter(TEST_VERSION_CURRENT, filters, 2, 2);
return new TokenStreamComponents(tokenizer, filters);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public void testSmallTokenInStream() throws Exception
public virtual void testSmallTokenInStream()
{
input = new MockTokenizer(new StringReader("abc de fgh"), MockTokenizer.WHITESPACE, false);
NGramTokenFilter filter = new NGramTokenFilter(TEST_VERSION_CURRENT, input, 3, 3);
assertTokenStreamContents(filter, new string[]{"abc","fgh"}, new int[]{0,7}, new int[]{3,10}, new int[] {1, 2});
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public void testReset() throws Exception
public virtual void testReset()
{
WhitespaceTokenizer tokenizer = new WhitespaceTokenizer(TEST_VERSION_CURRENT, new StringReader("abcde"));
NGramTokenFilter filter = new NGramTokenFilter(TEST_VERSION_CURRENT, tokenizer, 1, 1);
assertTokenStreamContents(filter, new string[]{"a","b","c","d","e"}, new int[]{0,0,0,0,0}, new int[]{5,5,5,5,5}, new int[]{1,0,0,0,0});
tokenizer.Reader = new StringReader("abcde");
assertTokenStreamContents(filter, new string[]{"a","b","c","d","e"}, new int[]{0,0,0,0,0}, new int[]{5,5,5,5,5}, new int[]{1,0,0,0,0});
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public void testOversizedNgrams() throws Exception
public virtual void testOversizedNgrams()
{
NGramTokenFilter filter = new NGramTokenFilter(TEST_VERSION_CURRENT, input, 6, 7);
assertTokenStreamContents(filter, new string[0], new int[0], new int[0]);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public void testNgramsNoIncrement() throws Exception
public virtual void testNgramsNoIncrement()
{
NGramTokenFilter filter = new NGramTokenFilter(TEST_VERSION_CURRENT, input, 1, 3);
assertTokenStreamContents(filter, new string[]{"a","ab","abc","b","bc","bcd","c","cd","cde","d","de","e"}, new int[]{0,0,0,0,0,0,0,0,0,0,0,0}, new int[]{5,5,5,5,5,5,5,5,5,5,5,5}, null, new int[]{1,0,0,0,0,0,0,0,0,0,0,0}, null, null, false);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public void testLucene43() throws java.io.IOException
public virtual void testLucene43()
{
NGramTokenFilter filter = new NGramTokenFilter(Version.LUCENE_43, input, 2, 3);
assertTokenStreamContents(filter, new string[]{"ab","bc","cd","de","abc","bcd","cde"}, new int[]{0,1,2,3,0,1,2}, new int[]{2,3,4,5,3,4,5}, null, new int[]{1,1,1,1,1,1,1}, null, null, false);
}
