public void Test_Values_Of_Same_Types_Are_Always_Similar()
{
void Test(object x, object y)
{
bool expected = x == null ? y == null : y != null && x.Equals(y);
Assert.That(ComparisonHelper.AreSimilar(x, y), Is.EqualTo(expected), expected ? "{0} == {1}" : "{0} != {1}", x, y);
}
Test(null, null);
Test("hello", "world");
Test("hello", "hello");
Test("hello", "Hello");
Test("hello", null);
Test(null, "world");
Test(123, 123);
Test(123, 456);
Test(123, null);
Test(null, 456);
Test(123L, 123L);
Test(123L, 456L);
Test(123L, null);
Test(null, 456L);
}
public void Test_Values_Of_Similar_Types_Are_Similar()
{
void Similar(object x, object y)
{
if (!ComparisonHelper.AreSimilar(x, y))
{
Assert.Fail("({0}) {1} ~= ({2}) {3}", x == null ? "object" : x.GetType().Name, x, y == null ? "object" : y.GetType().Name, y);
}
}
void Different(object x, object y)
{
if (ComparisonHelper.AreSimilar(x, y))
{
Assert.Fail("({0}) {1} !~= ({2}) {3}", x == null ? "object" : x.GetType().Name, x, y == null ? "object" : y.GetType().Name, y);
}
}
Different("hello", 123);
Different(123, "hello");
Similar("A", 'A');
Similar('A', "A");
Different("AA", 'A');
Different('A', "AA");
Different("A", 'B');
Different('A', "B");
Similar("123", 123);
Similar("123", 123L);
Similar("123.4", 123.4f);
Similar("123.4", 123.4d);
Similar(123, "123");
Similar(123L, "123");
Similar(123.4f, "123.4");
Similar(123.4d, "123.4");
var g = Guid.NewGuid();
Similar(g, g.ToString());
Similar(g.ToString(), g);
Different(g.ToString(), Guid.Empty);
Different(Guid.Empty, g.ToString());
}
