public void LookingUpModel_ThatOverridesGetHashCodeAndEquals_Works()
{
// Test for https://github.com/aspnet/AspNetCore/issues/18069
// Arrange
var model = new EquatableModel();
var editContext = new EditContext(model);
editContext.NotifyFieldChanged(editContext.Field(nameof(EquatableModel.Property)));
model.Property = "new value";
Assert.True(editContext.IsModified(editContext.Field(nameof(EquatableModel.Property))));
}
public void Should_invoke_equals_with_expected_value_when_actual_is_equatable()
{
// Given
var comparer = new AssertEqualityComparer <EquatableModel>();
var actual = new EquatableModel();
var expected = new EquatableModel();
// When
comparer.Equals(expected, actual);
// Then
actual.ExpectedValueThatWasPassedIn.ShouldBeSameAs(expected);
}
public void Should_return_result_from_comparing_equatables(bool expectedReturnValue)
{
// Given
var comparer = new AssertEqualityComparer <EquatableModel>();
var actual = new EquatableModel(expectedReturnValue);
var expected = new EquatableModel();
// When
var result = comparer.Equals(expected, actual);
// Then
result.ShouldEqual(expectedReturnValue);
}
public void SameContents_WithOverridenEqualsAndGetHashCode_ProduceSameHashCodesAndEquality()
{
// Arrange
var model = new EquatableModel();
var fieldIdentifier1 = new FieldIdentifier(model, nameof(EquatableModel.Property));
model.Property = "changed value"; // To show it makes no difference if the overridden `GetHashCode` result changes
var fieldIdentifier2 = new FieldIdentifier(model, nameof(EquatableModel.Property));
// Act/Assert
Assert.Equal(fieldIdentifier1.GetHashCode(), fieldIdentifier2.GetHashCode());
Assert.True(fieldIdentifier1.Equals(fieldIdentifier2));
}
