public virtual void TestToString()
{
char[] b = new char[] { 'a', 'l', 'o', 'h', 'a' };
CharTermAttribute t = new CharTermAttribute();
t.CopyBuffer(b, 0, 5);
Assert.AreEqual("aloha", t.ToString());
t.SetEmpty().Append("hi there");
Assert.AreEqual("hi there", t.ToString());
}
public virtual void TestClone()
{
CharTermAttribute t = new CharTermAttribute();
char[] content = "hello".ToCharArray();
t.CopyBuffer(content, 0, 5);
char[] buf = t.Buffer;
CharTermAttribute copy = TestToken.AssertCloneIsEqual(t);
Assert.AreEqual(t.ToString(), copy.ToString());
Assert.AreNotSame(buf, copy.Buffer);
}
public virtual void TestResize()
{
CharTermAttribute t = new CharTermAttribute();
char[] content = "hello".ToCharArray();
t.CopyBuffer(content, 0, content.Length);
for (int i = 0; i < 2000; i++)
{
t.ResizeBuffer(i);
Assert.IsTrue(i <= t.Buffer.Length);
Assert.AreEqual("hello", t.ToString());
}
}
public virtual void TestEquals()
{
CharTermAttribute t1a = new CharTermAttribute();
char[] content1a = "hello".ToCharArray();
t1a.CopyBuffer(content1a, 0, 5);
CharTermAttribute t1b = new CharTermAttribute();
char[] content1b = "hello".ToCharArray();
t1b.CopyBuffer(content1b, 0, 5);
CharTermAttribute t2 = new CharTermAttribute();
char[] content2 = "hello2".ToCharArray();
t2.CopyBuffer(content2, 0, 6);
Assert.IsTrue(t1a.Equals(t1b));
Assert.IsFalse(t1a.Equals(t2));
Assert.IsFalse(t2.Equals(t1b));
}
public virtual void TestGrow()
{
CharTermAttribute t = new CharTermAttribute();
StringBuilder buf = new StringBuilder("ab");
for (int i = 0; i < 20; i++)
{
char[] content = buf.ToString().ToCharArray();
t.CopyBuffer(content, 0, content.Length);
Assert.AreEqual(buf.Length, t.Length);
Assert.AreEqual(buf.ToString(), t.ToString());
buf.Append(buf.ToString());
}
Assert.AreEqual(1048576, t.Length);
// now as a StringBuilder, first variant
t = new CharTermAttribute();
buf = new StringBuilder("ab");
for (int i = 0; i < 20; i++)
{
t.SetEmpty().Append(buf);
Assert.AreEqual(buf.Length, t.Length);
Assert.AreEqual(buf.ToString(), t.ToString());
buf.Append(t);
}
Assert.AreEqual(1048576, t.Length);
// Test for slow growth to a long term
t = new CharTermAttribute();
buf = new StringBuilder("a");
for (int i = 0; i < 20000; i++)
{
t.SetEmpty().Append(buf);
Assert.AreEqual(buf.Length, t.Length);
Assert.AreEqual(buf.ToString(), t.ToString());
buf.Append("a");
}
Assert.AreEqual(20000, t.Length);
}
public override void CopyTo(IAttribute target)
{
CharTermAttribute t = (CharTermAttribute)target;
t.CopyBuffer(termBuffer, 0, termLength);
}