public void Consume()
{
// null substring
{
Substring s = new Substring();
Substring r = new Substring("oldval");
UT_EQ('\0', s.Consume( ));
UT_EQ(0, s.Consume(0, r)); UT_TRUE(r.IsNull());
UT_EQ(0, s.Consume(5, r)); UT_TRUE(r.IsNull());
UT_EQ(false, s.Consume('a'));
UT_EQ(false, s.Consume("word"));
UT_EQ('\0', s.ConsumeFromEnd( ));
UT_EQ(0, s.ConsumeFromEnd(0));
UT_EQ(0, s.ConsumeFromEnd(5));
UT_EQ(false, s.ConsumeFromEnd('a'));
UT_EQ(false, s.ConsumeFromEnd("word"));
}
// empty substring
{
Substring s = new Substring("aaaaaaaaaaaa");
Substring r = new Substring("oldval");
s.Start = 5;
s.End = 4;
UT_EQ('\0', s.Consume( ));
UT_EQ(0, s.Consume(0, r)); UT_TRUE(r.IsNotNull()); UT_TRUE(r.IsEmpty());
UT_EQ(0, s.Consume(5, r)); UT_TRUE(r.IsNotNull()); UT_TRUE(r.IsEmpty());
UT_EQ(false, s.Consume('a'));
UT_EQ(false, s.Consume("word"));
UT_EQ('\0', s.ConsumeFromEnd( ));
UT_EQ(0, s.ConsumeFromEnd(0));
UT_EQ(0, s.ConsumeFromEnd(5));
UT_EQ(false, s.ConsumeFromEnd('a'));
UT_EQ(false, s.ConsumeFromEnd("word"));
}
// substring of length 1
{
Substring s = new Substring("aaaaaaaaaaaa");
Substring r = new Substring("oldval");
s.Start = s.End = 5; UT_EQ('a', s.Consume( )); UT_EQ(0, s.Length());
s.Start = s.End = 5; UT_EQ(1, s.Consume(0)); UT_EQ(1, s.Length());
s.Start = s.End = 5; UT_EQ(0, s.Consume(1, r)); UT_EQ(0, s.Length()); UT_TRUE(r.Equals("a"));
s.Start = s.End = 5; UT_EQ(0, s.Consume(5, r)); UT_EQ(0, s.Length()); UT_TRUE(r.Equals("a"));
s.Start = s.End = 5; UT_EQ(true, s.Consume('a')); UT_EQ(0, s.Length());
s.Start = s.End = 5; UT_EQ(false, s.Consume('b')); UT_EQ(1, s.Length());
s.Start = s.End = 5; UT_EQ(false, s.Consume("word")); UT_EQ(1, s.Length());
s.Start = s.End = 5; UT_EQ('a', s.ConsumeFromEnd( )); UT_EQ(0, s.Length());
s.Start = s.End = 5; UT_EQ(1, s.ConsumeFromEnd(0)); UT_EQ(1, s.Length());
s.Start = s.End = 5; UT_EQ(0, s.ConsumeFromEnd(1)); UT_EQ(0, s.Length());
s.Start = s.End = 5; UT_EQ(0, s.ConsumeFromEnd(5)); UT_EQ(0, s.Length());
s.Start = s.End = 5; UT_EQ(true, s.ConsumeFromEnd('a')); UT_EQ(0, s.Length());
s.Start = s.End = 5; UT_EQ(false, s.ConsumeFromEnd('b')); UT_EQ(1, s.Length());
s.Start = s.End = 5; UT_EQ(false, s.ConsumeFromEnd("word")); UT_EQ(1, s.Length());
}
// substring of length 2
{
Substring s = new Substring("12ab3456");
Substring r = new Substring("oldval");
s.Start = 2; s.End = 3; UT_EQ('a', s.Consume( )); UT_EQ(1, s.Length());
UT_EQ('b', s.Consume( )); UT_EQ(0, s.Length());
s.Start = 2; s.End = 3; UT_EQ('b', s.ConsumeFromEnd( )); UT_EQ(1, s.Length());
UT_EQ('a', s.ConsumeFromEnd( )); UT_EQ(0, s.Length());
s.Start = 2; s.End = 3; UT_EQ(2, s.Consume(0, r)); UT_EQ(2, s.Length()); UT_TRUE(r.IsNotNull()); UT_TRUE(r.IsEmpty());
s.Start = 2; s.End = 3; UT_EQ(1, s.Consume(1, r)); UT_EQ(1, s.Length()); UT_TRUE(r.Equals("a"));
s.Start = 2; s.End = 3; UT_EQ(0, s.Consume(2, r)); UT_EQ(0, s.Length()); UT_TRUE(r.Equals("ab"));
s.Start = 2; s.End = 3; UT_EQ(0, s.Consume(3, r)); UT_EQ(0, s.Length()); UT_TRUE(r.Equals("ab"));
s.Start = 2; s.End = 3; UT_EQ(2, s.ConsumeFromEnd(0, r)); UT_EQ(2, s.Length()); UT_TRUE(r.IsNotNull()); UT_TRUE(r.IsEmpty());
s.Start = 2; s.End = 3; UT_EQ(1, s.ConsumeFromEnd(1, r)); UT_EQ(1, s.Length()); UT_TRUE(r.Equals("b"));
s.Start = 2; s.End = 3; UT_EQ(0, s.ConsumeFromEnd(2, r)); UT_EQ(0, s.Length()); UT_TRUE(r.Equals("ab"));
s.Start = 2; s.End = 3; UT_EQ(0, s.ConsumeFromEnd(3, r)); UT_EQ(0, s.Length()); UT_TRUE(r.Equals("ab"));
s.Start = 2; s.End = 3; UT_EQ(false, s.Consume('b')); UT_EQ(2, s.Length());
UT_EQ(true, s.Consume('a')); UT_EQ(1, s.Length());
UT_EQ(true, s.Consume('b')); UT_EQ(0, s.Length());
UT_EQ(false, s.Consume('a')); UT_EQ(0, s.Length());
UT_EQ(false, s.Consume('b')); UT_EQ(0, s.Length());
s.Start = 2; s.End = 3; UT_EQ(false, s.ConsumeFromEnd('a')); UT_EQ(2, s.Length());
UT_EQ(true, s.ConsumeFromEnd('b')); UT_EQ(1, s.Length());
UT_EQ(true, s.ConsumeFromEnd('a')); UT_EQ(0, s.Length());
UT_EQ(false, s.ConsumeFromEnd('b')); UT_EQ(0, s.Length());
UT_EQ(false, s.ConsumeFromEnd('a')); UT_EQ(0, s.Length());
s.Start = 2; s.End = 3; UT_EQ(false, s.Consume("word")); UT_EQ(2, s.Length());
s.Start = 2; s.End = 3; UT_EQ(false, s.Consume("AB")); UT_EQ(2, s.Length());
s.Start = 2; s.End = 3; UT_EQ(true, s.Consume("ab")); UT_EQ(0, s.Length());
s.Start = 2; s.End = 3; UT_EQ(false, s.ConsumeFromEnd("word")); UT_EQ(2, s.Length());
s.Start = 2; s.End = 3; UT_EQ(false, s.ConsumeFromEnd("AB")); UT_EQ(2, s.Length());
s.Start = 2; s.End = 3; UT_EQ(true, s.ConsumeFromEnd("ab")); UT_EQ(0, s.Length());
}
// 3 words
{
Substring s = new Substring("word1 word2 word3");
UT_EQ('w', s.Consume( ));
UT_EQ('o', s.Consume( ));
UT_EQ('r', s.Consume( ));
UT_EQ('d', s.Consume( ));
UT_EQ('1', s.Consume( ));
UT_EQ(false, s.Consume('w'));
UT_EQ(true, s.Consume('w', Whitespaces.Trim));
UT_EQ(true, s.Consume('o', Whitespaces.Trim));
UT_EQ(false, s.Consume('o', Whitespaces.Trim));
UT_EQ(true, s.Consume('r', Whitespaces.Trim));
UT_EQ(false, s.Consume("D2", Whitespaces.Trim));
UT_EQ(false, s.Consume("D2"));
UT_EQ(true, s.Consume("d2"));
UT_EQ(2, s.Consume(4));
UT_EQ("d3", s.ToString());
s = new Substring("word1 word2 word3");
UT_EQ('3', s.ConsumeFromEnd( ));
UT_EQ('d', s.ConsumeFromEnd( ));
UT_EQ('r', s.ConsumeFromEnd( ));
UT_EQ('o', s.ConsumeFromEnd( ));
UT_EQ('w', s.ConsumeFromEnd( ));
UT_EQ(false, s.ConsumeFromEnd('2'));
UT_EQ(true, s.ConsumeFromEnd('2', Whitespaces.Trim));
UT_EQ(true, s.ConsumeFromEnd('d', Whitespaces.Trim));
UT_EQ(false, s.ConsumeFromEnd('d', Whitespaces.Trim));
UT_EQ(true, s.ConsumeFromEnd('r', Whitespaces.Trim));
UT_EQ(false, s.ConsumeFromEnd("WO", Whitespaces.Trim));
UT_EQ(false, s.ConsumeFromEnd("WO"));
UT_EQ(true, s.ConsumeFromEnd("wo"));
UT_EQ(2, s.ConsumeFromEnd(4));
UT_EQ("wo", s.ToString());
}
// consume AString, Substring
{
Substring s = new Substring("word1 word2 word3 word4");
Substring sConsume = new Substring("1234word12", 4, 4);
AString aConsume = new AString("word");
UT_EQ(true, s.Consume(sConsume));
UT_EQ(false, s.Consume(sConsume));
UT_EQ('1', s.Consume( ));
UT_EQ(false, s.Consume(sConsume));
UT_EQ(true, s.Consume(sConsume, Whitespaces.Trim));
UT_EQ('2', s.Consume( ));
UT_EQ(' ', s.Consume( ));
UT_EQ(true, s.Consume(aConsume));
UT_EQ(false, s.Consume(aConsume));
UT_EQ('3', s.Consume( ));
UT_EQ(false, s.Consume(aConsume));
UT_EQ(true, s.Consume(aConsume, Whitespaces.Trim));
s.Set("1word 2word 3word 4word");
UT_EQ(true, s.ConsumeFromEnd(sConsume));
UT_EQ(false, s.ConsumeFromEnd(sConsume));
UT_EQ('4', s.ConsumeFromEnd( ));
UT_EQ(false, s.ConsumeFromEnd(sConsume));
UT_EQ(true, s.ConsumeFromEnd(sConsume, Whitespaces.Trim));
UT_EQ('3', s.ConsumeFromEnd( ));
UT_EQ(' ', s.ConsumeFromEnd( ));
UT_EQ(true, s.ConsumeFromEnd(aConsume));
UT_EQ(false, s.ConsumeFromEnd(aConsume));
UT_EQ('2', s.ConsumeFromEnd( ));
UT_EQ(false, s.ConsumeFromEnd(aConsume));
UT_EQ(true, s.ConsumeFromEnd(aConsume, Whitespaces.Trim));
}
}
