public void ReadAttrName()
{
string input;
StringReader sr;
HtmlTextReader reader;
string output;
// no whitespace
input = "class='red' ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
output = reader.ReadAttributeName();
Assert.AreEqual("class", output);
Assert.AreEqual('=', (char)reader.Peek());
Assert.AreEqual(ParseState.AttributeValue, reader.ParseState);
// whitespace
input = " class='red' ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
output = reader.ReadAttributeName();
Assert.AreEqual("class", output);
Assert.AreEqual('=', (char)reader.Peek());
// whitespace
input = " class = 'red' ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
output = reader.ReadAttributeName();
Assert.AreEqual("class", output);
Assert.AreEqual(' ', (char)reader.Peek());
// whitespace
input = " class = \"red\" ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
output = reader.ReadAttributeName();
Assert.AreEqual("class", output);
Assert.AreEqual(' ', (char)reader.Peek());
// missing attr. the rest is val
input = " =red foo=bar ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
output = reader.ReadAttributeName();
Assert.AreEqual("=red", output);
Assert.AreEqual(' ', (char)reader.Peek());
}
public void ReadQuotedAttribute()
{
string input;
HtmlTextReader reader;
string output;
// Ensure we parse to end of single quotes...
input = " ='abc' ";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abc", output);
// Ensure we parse to end of double quotes...
input = " =\"abc\" ";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abc", output);
// Ignore double quotes in the middle
input = " ='abc\"def' ";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abc\"def", output);
// Ignore end tag in the middle of quotes
input = " ='abc>def' ";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abc>def", output);
// Parse until end of string with open quote
input = "= 'abcdef ";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abcdef ", output);
// Parse until end of string with open quote
input = "= \"abcdef ";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abcdef ", output);
// Not checking whitespace inside quotes
input = " =\"abcdef ";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abcdef ", output);
// Ignore single quotes in the middle of double quotes
input = " =\"abc'def\" ";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abc'def", output);
// Ignore end tag in the middle of quotes
input = " =\"abc>def\" ";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abc>def", output);
// Ensure we don't consume the >.
input = " ='abcdef'>";
StringReader sr = new StringReader(input);
reader = new HtmlTextReader(sr);
output = reader.ReadAttributeValue();
Assert.AreEqual("abcdef", output);
Assert.AreEqual('>', (char)reader.Peek());
}
public void ReadUnquotedAttribute()
{
string input;
HtmlTextReader reader;
string output;
// no whitespace
input = "=abc";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abc", output);
// Starting whitespace
input = " =abc";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abc", output);
// Starting whitespace
input = " \t\n\r=abc";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abc", output);
// Ending whitespace
input = "=abc ";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abc", output);
// Whitespace start and end
input = " = abc ";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abc", output);
// Whitespace start and end
input = " =\t\n\rabc \n\r";
reader = new HtmlTextReader(new StringReader(input));
output = reader.ReadAttributeValue();
Assert.AreEqual("abc", output);
// Whitespace end tag in the middle. Ensure
// we don't consume the char.
input = "= abc>def ";
StringReader sr = new StringReader(input);
reader = new HtmlTextReader(sr);
output = reader.ReadAttributeValue();
Assert.AreEqual("abc", output);
Assert.AreEqual('d', (char)reader.Peek());
Assert.AreEqual(ParseState.Text, reader.ParseState);
// Ensure we don't consume the last space.
input = " =abcdef ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
output = reader.ReadAttributeValue();
Assert.AreEqual("abcdef", output);
Assert.AreEqual(' ', (char)reader.Peek());
}