public void Equality()
{
var sv0 = new SemanticVersion(1, 5, 0);
var sv1 = new SemanticVersion(1, 5, 0, Empty <string>());
var sv2 = new SemanticVersion(1, 5, 0, Empty <string>(),
Empty <string>());
var sv3 = new SemanticVersion(1, 6, 0);
var sv4 = new SemanticVersion(1, 6, 0, new[] { "rc", "1" });
var sv5 = new SemanticVersion(1, 6, 0, Empty <string>(),
new[] { "d116bf47" });
Assert.IsTrue(sv0 == sv1, "Equality check failed (0).");
Assert.IsTrue(sv0 == sv2, "Equality check failed (1).");
Assert.IsTrue(sv1 == sv2, "Equality check failed (2).");
Assert.IsFalse(sv0 == sv3, "Equality check failed (3).");
// Now we test the equality operators.
//
// Our [SemanticVersion] class is immutable, so it makes sense
// to overload these to check value equality instead of reference
// equality.
Assert.IsTrue(sv0 == sv1, "Operator check failed (0).");
Assert.IsTrue(sv0 == sv2, "Operator check failed (1).");
Assert.IsTrue(sv1 == sv2, "Operator check failed (2).");
Assert.IsTrue(sv0 != sv3, "Operator check failed (3).");
// Now the tests mentioned in the guidelines for overloading
// [Equals].
Assert.IsTrue(sv0.Equals(sv1), "Guideline test failed (0).");
Assert.IsTrue(sv1.Equals(sv0), "Guideline test failed (1).");
Assert.IsTrue(sv1.Equals(sv0) && sv1.Equals(sv2) && sv0.Equals(sv2),
"Guideline test failed (2).");
Assert.IsFalse(sv0.Equals(null), "Guideline test failed (3).");
// The guideline tests again, but for our operators.
Assert.IsTrue(sv0 == sv1, "Guideline test failed (4).");
Assert.IsTrue(sv1 == sv0, "Guideline test failed (5).");
Assert.IsTrue(sv1 == sv0 && sv1 == sv2 && sv0 == sv2,
"Guideline test failed (6).");
Assert.IsFalse(sv0 == null, "Guideline test failed (7).");
// Two null [SemanticVersion]s should be equal, so we're going to
// test for that, too.
SemanticVersion nsv0 = null, nsv1 = null;
Assert.IsTrue(nsv0 == nsv1, "Null equality check failed (0).");
// [Equals] and the equality operator must take into account metadata
// and pre-release identifiers.
Assert.AreNotEqual(sv3, sv4, "Inequality check failed (0).");
Assert.AreNotEqual(sv3, sv5, "Inequality check failed (1).");
Assert.AreNotEqual(sv4, sv5, "Inequality check failed (2).");
Assert.IsFalse(sv3 == sv4, "Inequality check failed (3).");
Assert.IsFalse(sv3 == sv5, "Inequality check failed (4).");
Assert.IsFalse(sv4 == sv5, "Inequality check failed (5).");
}
public void Equality()
{
var sv0 = new SemanticVersion(1, 5, 0);
var sv1 = new SemanticVersion(1, 5, 0, Empty<string>());
var sv2 = new SemanticVersion(1, 5, 0, Empty<string>(),
Empty<string>());
var sv3 = new SemanticVersion(1, 6, 0);
var sv4 = new SemanticVersion(1, 6, 0, new[] { "rc", "1" });
var sv5 = new SemanticVersion(1, 6, 0, Empty<string>(),
new[] { "d116bf47" });
Assert.IsTrue(sv0 == sv1, "Equality check failed (0).");
Assert.IsTrue(sv0 == sv2, "Equality check failed (1).");
Assert.IsTrue(sv1 == sv2, "Equality check failed (2).");
Assert.IsFalse(sv0 == sv3, "Equality check failed (3).");
// Now we test the equality operators.
//
// Our [SemanticVersion] class is immutable, so it makes sense
// to overload these to check value equality instead of reference
// equality.
Assert.IsTrue(sv0 == sv1, "Operator check failed (0).");
Assert.IsTrue(sv0 == sv2, "Operator check failed (1).");
Assert.IsTrue(sv1 == sv2, "Operator check failed (2).");
Assert.IsTrue(sv0 != sv3, "Operator check failed (3).");
// Now the tests mentioned in the guidelines for overloading
// [Equals].
Assert.IsTrue(sv0.Equals(sv1), "Guideline test failed (0).");
Assert.IsTrue(sv1.Equals(sv0), "Guideline test failed (1).");
Assert.IsTrue(sv1.Equals(sv0) && sv1.Equals(sv2) && sv0.Equals(sv2),
"Guideline test failed (2).");
Assert.IsFalse(sv0.Equals(null), "Guideline test failed (3).");
// The guideline tests again, but for our operators.
Assert.IsTrue(sv0 == sv1, "Guideline test failed (4).");
Assert.IsTrue(sv1 == sv0, "Guideline test failed (5).");
Assert.IsTrue(sv1 == sv0 && sv1 == sv2 && sv0 == sv2,
"Guideline test failed (6).");
Assert.IsFalse(sv0 == null, "Guideline test failed (7).");
// Two null [SemanticVersion]s should be equal, so we're going to
// test for that, too.
SemanticVersion nsv0 = null, nsv1 = null;
Assert.IsTrue(nsv0 == nsv1, "Null equality check failed (0).");
// [Equals] and the equality operator must take into account metadata
// and pre-release identifiers.
Assert.AreNotEqual(sv3, sv4, "Inequality check failed (0).");
Assert.AreNotEqual(sv3, sv5, "Inequality check failed (1).");
Assert.AreNotEqual(sv4, sv5, "Inequality check failed (2).");
Assert.IsFalse(sv3 == sv4, "Inequality check failed (3).");
Assert.IsFalse(sv3 == sv5, "Inequality check failed (4).");
Assert.IsFalse(sv4 == sv5, "Inequality check failed (5).");
}
