public void TestFilterWithMark()
{
TokenStream stream = new WhitespaceTokenizer(new StringReader(
"Do have a nice day")); // 1-4 length string
ReverseStringFilter filter = new ReverseStringFilter(stream, '\u0001');
ITermAttribute text = filter.GetAttribute<ITermAttribute>();
Assert.True(filter.IncrementToken());
Assert.AreEqual("\u0001oD", text.Term);
Assert.True(filter.IncrementToken());
Assert.AreEqual("\u0001evah", text.Term);
Assert.True(filter.IncrementToken());
Assert.AreEqual("\u0001a", text.Term);
Assert.True(filter.IncrementToken());
Assert.AreEqual("\u0001ecin", text.Term);
Assert.True(filter.IncrementToken());
Assert.AreEqual("\u0001yad", text.Term);
Assert.False(filter.IncrementToken());
}
public void TestFilterWithMark()
{
TokenStream stream = new WhitespaceTokenizer(new StringReader(
"Do have a nice day")); // 1-4 length string
ReverseStringFilter filter = new ReverseStringFilter(stream, '\u0001');
ITermAttribute text = filter.GetAttribute <ITermAttribute>();
Assert.True(filter.IncrementToken());
Assert.AreEqual("\u0001oD", text.Term);
Assert.True(filter.IncrementToken());
Assert.AreEqual("\u0001evah", text.Term);
Assert.True(filter.IncrementToken());
Assert.AreEqual("\u0001a", text.Term);
Assert.True(filter.IncrementToken());
Assert.AreEqual("\u0001ecin", text.Term);
Assert.True(filter.IncrementToken());
Assert.AreEqual("\u0001yad", text.Term);
Assert.False(filter.IncrementToken());
}
public void TestReverseChar()
{
char[] buffer = { 'A', 'B', 'C', 'D', 'E', 'F' };
ReverseStringFilter.Reverse(buffer, 2, 3);
Assert.AreEqual("ABEDCF", new String(buffer));
}
public void TestReverseString()
{
Assert.AreEqual("A", ReverseStringFilter.Reverse("A"));
Assert.AreEqual("BA", ReverseStringFilter.Reverse("AB"));
Assert.AreEqual("CBA", ReverseStringFilter.Reverse("ABC"));
}