public static void Equals___Should_return_true___When_parameters_are_null()
{
// Arrange
var systemUnderTest = new VersionlessTypeEqualityComparer();
// Act
var actual = systemUnderTest.Equals(null, null);
// Assert
actual.AsTest().Must().BeTrue();
}
public static void Equals___Should_return_true___When_parameters_are_equal_and_have_the_same_versions()
{
// Arrange
var systemUnderTest = new VersionlessTypeEqualityComparer();
var type = A.Dummy <Type>();
// Act
var actual = systemUnderTest.Equals(type, type);
// Assert
actual.AsTest().Must().BeTrue();
}
public static void GetHashCode___Should_return_the_same_hash_code_for_null___When_called()
{
// Arrange
var systemUnderTest = new VersionlessTypeEqualityComparer();
var expected = systemUnderTest.GetHashCode(null);
// Act
var actual = systemUnderTest.GetHashCode(null);
// Assert
actual.AsTest().Must().BeEqualTo(expected);
}
public static void Equals___Should_return_false___When_parameters_are_not_equal()
{
// Arrange
var systemUnderTest = new VersionlessTypeEqualityComparer();
var type1 = A.Dummy <Type>();
var type2 = A.Dummy <Type>().ThatIsNot(type1);
// Act
var actual = systemUnderTest.Equals(type1, type2);
// Assert
actual.AsTest().Must().BeFalse();
}
public static void Equals___Should_return_false___When_parameter_x_is_null_and_parameter_y_is_not_null_and_vice_versa()
{
// Arrange
var systemUnderTest = new VersionlessTypeEqualityComparer();
var type = A.Dummy <Type>();
// Act
var actual1 = systemUnderTest.Equals(type, null);
var actual2 = systemUnderTest.Equals(null, type);
// Assert
actual1.AsTest().Must().BeFalse();
actual2.AsTest().Must().BeFalse();
}
public static void Equals___Should_return_true___When_parameters_are_equal_and_have_different_versions()
{
// Arrange
var systemUnderTest = new VersionlessTypeEqualityComparer();
var oldConditionsAssembly = TypeGenerator.LoadOlderVersionOfConditions();
var type1 = typeof(Conditions.Condition);
var type2 = oldConditionsAssembly.GetTypes().Single(_ => _.Name == "Condition");
// Act
var actual = systemUnderTest.Equals(type1, type2);
// Assert
actual.AsTest().Must().BeTrue();
}
public static void GetHashCode___Should_return_the_same_hash_code_for_representations_that_are_equal___When_called()
{
// Arrange
var systemUnderTest = new VersionlessTypeEqualityComparer();
var oldConditionsAssembly = TypeGenerator.LoadOlderVersionOfConditions();
var types = new[]
{
typeof(Conditions.Condition),
oldConditionsAssembly.GetTypes().Single(_ => _.Name == "Condition"),
};
// Act
var actual = types.Select(_ => systemUnderTest.GetHashCode(_)).ToList();
// Assert
actual.Distinct().AsTest().Must().HaveCount(1);
}