public void HintPicksUpDiff()
{
var hint = new StringEqualsHint();
Expression<Func<bool>> x = () => "x".Equals("X");
string description;
Assert.IsTrue(hint.TryGetHint(x.Body, out description));
Assert.IsNotNull(description);
}
public void HintObeysComparer()
{
var hint = new StringEqualsHint();
Expression<Func<bool>> x = () => "x".Equals("X", StringComparison.OrdinalIgnoreCase);
string description;
Assert.IsFalse(hint.TryGetHint(x.Body, out description));
Assert.IsNull(description);
}
public void ShouldPickUpControlCharacters()
{
var hint = new StringEqualsHint();
Expression<Func<bool>> x = () => "\0Hello".Equals("Hello");
string description;
Assert.IsTrue(hint.TryGetHint(x.Body, out description));
Assert.IsNotNull(description);
Assert.IsTrue(description.Contains("control"));
}
public void ShouldPickUpMismatchedNewlines()
{
var hint = new StringEqualsHint();
Expression<Func<bool>> x = () => new string('\n', 1).Equals("\r\n");
string description;
Assert.IsTrue(hint.TryGetHint(x.Body, out description));
Assert.IsNotNull(description);
Assert.IsTrue(description.Contains("carriage-return"));
}
public void ShouldPickUpTabVsSpace()
{
var hint = new StringEqualsHint();
Expression<Func<bool>> x = () => " ".Equals("\t");
string description;
Assert.IsTrue(hint.TryGetHint(x.Body, out description));
Assert.IsNotNull(description);
Assert.IsTrue(description.Contains("tab"));
}
public void ShouldPickUpDecomposedCharacters()
{
var hint = new StringEqualsHint();
Expression<Func<bool>> x = () => ConstantStrings.AcuteEComposed.Equals(ConstantStrings.AcuteEDecomposed);
string description;
Assert.IsTrue(hint.TryGetHint(x.Body, out description));
Assert.IsNotNull(description);
Assert.IsTrue(description.Contains("decomposed"));
}
public void ShouldPickUpFormatCharacters_Right()
{
var hint = new StringEqualsHint();
Expression<Func<bool>> x = () => "Hello".Equals("\u202DHello");
var p = new ExpressionParser(x.Body);
string description;
Assert.IsTrue(hint.TryGetHint(p, x.Body, out description));
Assert.IsNotNull(description);
Assert.IsTrue(description.Contains("format"));
}