public void CheckRRTokenStreamBehaviourWhileEmpty1()
{
string description = "RewriteRuleTokenStream test";
RewriteRuleTokenStream tokenTest =
new RewriteRuleTokenStream(CreateTreeAdaptor(), description);
Assert.IsFalse(tokenTest.HasNext(), "tokenTest has to give back false here.");
Assert.AreEqual(description.ToString(), tokenTest.Description,
"Description strings should be equal.");
Assert.AreEqual(0, tokenTest.Size(), "The number of elements should be zero.");
tokenTest.Reset();
Assert.IsTrue(true, "Reset() shouldn't make any problems here.");
Assert.AreEqual(0, tokenTest.Size(),
"The number of elements should be still zero.");
tokenTest.NextNode();
}
public void CheckRRTokenStreamBehaviourWithElements()
{
RewriteRuleTokenStream tokenTest = new RewriteRuleTokenStream(CreateTreeAdaptor(),
"RewriteRuleTokenStream test");
IToken token1 = CreateToken(1, "test token without any real context");
// Test Add()
tokenTest.Add(token1);
Assert.AreEqual(1, tokenTest.Size(), "tokenTest should have the size 1 (1).");
Assert.IsTrue(tokenTest.HasNext(), "HasNext() should be true here (1).");
// Test NextNode()
CommonTree tree = (CommonTree)tokenTest.NextNode();
Assert.AreEqual(token1, tree.Token,
"The returned token should be equal to the given token (1).");
Assert.AreEqual(1, tokenTest.Size(), "tokenTest should have the size 1 (2).");
Assert.IsFalse(tokenTest.HasNext(), "HasNext() should be false here (1).");
tokenTest.Reset();
Assert.AreEqual(1, tokenTest.Size(), "tokenTest should have the size 1 (3).");
Assert.IsTrue(tokenTest.HasNext(), "HasNext() should be true here (2).");
// Test NextToken()
IToken returnedToken = tokenTest.NextToken();
Assert.AreEqual(token1, returnedToken,
"The returned token should be equal to the given token (2).");
Assert.AreEqual(1, tokenTest.Size(), "tokenTest should have the size 1 (4).");
Assert.IsFalse(tokenTest.HasNext(), "HasNext() should be false here (2).");
tokenTest.Reset();
Assert.AreEqual(1, tokenTest.Size(), "tokenTest should have the size 1 (5).");
Assert.IsTrue(tokenTest.HasNext(), "HasNext() should be true here (3).");
// Test NextTree()
returnedToken = (IToken)tokenTest.NextTree();
Assert.AreEqual(token1, returnedToken,
"The returned token should be equal to the given token (3).");
Assert.AreEqual(1, tokenTest.Size(), "tokenTest should have the size 1 (6).");
Assert.IsFalse(tokenTest.HasNext(), "HasNext() should be false here (2).");
tokenTest.Reset();
Assert.AreEqual(1, tokenTest.Size(), "tokenTest should have the size 1 (7).");
Assert.IsTrue(tokenTest.HasNext(), "HasNext() should be true here (3).");
// Test, what happens with two elements
IToken token2 = CreateToken(2, "test token without any real context");
tokenTest.Add(token2);
Assert.AreEqual(2, tokenTest.Size(), "tokenTest should have the size 2 (1).");
Assert.IsTrue(tokenTest.HasNext(), "HasNext() should be true here (4).");
returnedToken = tokenTest.NextToken();
Assert.AreEqual(token1, returnedToken,
"The returned token should be equal to the given token (4).");
Assert.AreEqual(2, tokenTest.Size(), "tokenTest should have the size 2 (2).");
Assert.IsTrue(tokenTest.HasNext(), "HasNext() should be true here (5).");
returnedToken = tokenTest.NextToken();
Assert.AreEqual(token2, returnedToken,
"The returned token should be equal to the given token (5).");
Assert.IsFalse(tokenTest.HasNext(), "HasNext() should be false here (3).");
// Test exception
tokenTest.NextToken();
}