public Comparator(string symbol)
{
switch (symbol)
{
case "<":
func = ComparatorFunc.LT;
break;
case ">":
func = ComparatorFunc.GT;
break;
case "<=":
func = ComparatorFunc.LEQ;
break;
case ">=":
func = ComparatorFunc.GEQ;
break;
case "==":
func = ComparatorFunc.EQ;
break;
case "!=":
func = ComparatorFunc.NEQ;
break;
}
}
private static void AreEqual(ICollection expected, ICollection actual, string message, object[] parameters,
ComparatorFunc comparator)
{
if (object.ReferenceEquals(expected, actual))
{
return;
}
if (expected == null)
{
throw new NullTestArgumentException("expected");
}
if (actual == null)
{
throw new NullTestArgumentException("actual");
}
if (expected.Count != actual.Count)
{
throw new AssertFailedException("Expected collection with " + expected.Count + " items but got " + actual.Count + " items.", message, parameters);
}
IEnumerator expectedIter = expected.GetEnumerator();
IEnumerator actualIter = actual.GetEnumerator();
int index = 0;
while (expectedIter.MoveNext())
{
Assert.IsTrue(actualIter.MoveNext(), message, parameters);
if (!comparator(expectedIter.Current, actualIter.Current))
{
throw new AssertFailedException("Elements at index {0} do not match.".Format(index), message, parameters);
}
index++;
}
Assert.IsFalse(actualIter.MoveNext());
}
private static void AreEqual(ICollection expected, ICollection actual, string message, object[] parameters,
ComparatorFunc comparator)
{
if (object.ReferenceEquals(expected, actual)) {
return;
}
if (expected == null) {
throw new NullTestArgumentException("expected");
}
if (actual == null) {
throw new NullTestArgumentException("actual");
}
if (expected.Count != actual.Count) {
throw new AssertFailedException("Expected collection with " + expected.Count + " items but got " + actual.Count + " items.", message, parameters);
}
IEnumerator expectedIter = expected.GetEnumerator();
IEnumerator actualIter = actual.GetEnumerator();
int index = 0;
while (expectedIter.MoveNext()) {
Assert.IsTrue(actualIter.MoveNext(), message, parameters);
if (!comparator(expectedIter.Current, actualIter.Current)) {
throw new AssertFailedException("Elements at index {0} do not match.".Format(index), message, parameters);
}
index++;
}
Assert.IsFalse(actualIter.MoveNext());
}
