CollectionAssert.a等同于自定义IEqualityComparer

CollectionAssert.AreEquivalent 具体实施如下:

Assert.That(actual, new CollectionEquivalentConstraint(expected), message, args);

你可以这样写你的断言并提供一个自定义的 IEqualityComparer Using :

Assert.That(actual,
    new CollectionEquivalentConstraint(expected).Using(customComparer));

new CollectionEquivalentConstraint 到 Is.EquivalentTo :

Assert.That(actual, Is.EquivalentTo(expected).Using(customComparer));