public void TestToStringWithValidStrings()
{
PriorityItemPair <string, string> testPair = new PriorityItemPair <string, string>(
"hello", "world"
);
Assert.AreEqual("[hello, world]", testPair.ToString());
}
public void TestToStringWithNullStrings()
{
PriorityItemPair <ToStringNullReturner, ToStringNullReturner> testPair =
new PriorityItemPair <ToStringNullReturner, ToStringNullReturner>(
new ToStringNullReturner(), new ToStringNullReturner()
);
Assert.AreEqual("[, ]", testPair.ToString());
}