public void GetHashCodeThrowsExceptionWithNullObjectTest()
{
var target = new SupportedTagAttributeComparer();
Action action = () => target.GetHashCode(null);
action.ShouldThrow <ArgumentNullException>();
}
public void EqualsReturnsFalseWhenSecondIsNullTest()
{
var tag = new SupportedTagAttribute(Guid.NewGuid().ToString());
var target = new SupportedTagAttributeComparer();
var actual = target.Equals(tag, null);
actual.Should().BeFalse();
}
public void EqualsReturnsFalseWhenFirstIsNullTest()
{
var tag = new SupportedTagAttribute(Guid.NewGuid().ToString());
var target = new SupportedTagAttributeComparer();
var actual = target.Equals(null, tag);
actual.Should().BeFalse();
}
public void EqualsReturnsFalseWhenAttributeFilterDoesNotMatchTest()
{
var first = new SupportedTagAttribute(Guid.NewGuid().ToString());
var second = new SupportedTagAttribute(first.TagName, Guid.NewGuid().ToString(), Guid.NewGuid().ToString());
var target = new SupportedTagAttributeComparer();
var actual = target.Equals(first, second);
actual.Should().BeFalse();
}
public void EqualsReturnsTrueWhenTagsMatchWithoutAttributesTest()
{
var first = new SupportedTagAttribute(Guid.NewGuid().ToString());
var second = new SupportedTagAttribute(first.TagName);
var target = new SupportedTagAttributeComparer();
var actual = target.Equals(first, second);
actual.Should().BeTrue();
}
public void EqualsReturnsFalseWhenAttributeFilterDoesNotMatchTest()
{
var first = new SupportedTagAttribute(Guid.NewGuid().ToString());
var second = new SupportedTagAttribute(first.TagName, Guid.NewGuid().ToString(), Guid.NewGuid().ToString());
var target = new SupportedTagAttributeComparer();
var actual = target.Equals(first, second);
actual.Should().BeFalse();
}
public void GetHashCodeReturnsSameValueForMatchingTagTest()
{
var first = new SupportedTagAttribute(Guid.NewGuid().ToString());
var second = new SupportedTagAttribute(first.TagName);
var target = new SupportedTagAttributeComparer();
var firstCode = target.GetHashCode(first);
var secondCode = target.GetHashCode(second);
firstCode.Should().Be(secondCode);
}
public void GetHashCodeReturnsDifferentValueForMismatchedTagTest()
{
var first = new SupportedTagAttribute(Guid.NewGuid().ToString());
var second = new SupportedTagAttribute(Guid.NewGuid().ToString());
var target = new SupportedTagAttributeComparer();
var firstCode = target.GetHashCode(first);
var secondCode = target.GetHashCode(second);
firstCode.Should().NotBe(secondCode);
}
/// <summary>
/// Finds the supported tags.
/// </summary>
/// <param name="types">
/// The types.
/// </param>
/// <returns>
/// An <see cref="IEnumerable{T}" /> value.
/// </returns>
private static IList<SupportedTagAttribute> FindSupportedTags(IEnumerable<Type> types)
{
var tagsFound = new List<SupportedTagAttribute>();
var comparer = new SupportedTagAttributeComparer();
foreach (var type in types)
{
var attributes =
type.GetCustomAttributes(typeof(SupportedTagAttribute), true).OfType<SupportedTagAttribute>();
foreach (var attribute in attributes)
{
if (tagsFound.Contains(attribute, comparer))
{
continue;
}
tagsFound.Add(attribute);
}
}
return tagsFound;
}
public void GetHashCodeThrowsExceptionWithNullObjectTest()
{
var target = new SupportedTagAttributeComparer();
Action action = () => target.GetHashCode(null);
action.ShouldThrow<ArgumentNullException>();
}
public void GetHashCodeReturnsSameValueForMatchingTagTest()
{
var first = new SupportedTagAttribute(Guid.NewGuid().ToString());
var second = new SupportedTagAttribute(first.TagName);
var target = new SupportedTagAttributeComparer();
var firstCode = target.GetHashCode(first);
var secondCode = target.GetHashCode(second);
firstCode.Should().Be(secondCode);
}
public void GetHashCodeReturnsDifferentValueForMismatchedTagTest()
{
var first = new SupportedTagAttribute(Guid.NewGuid().ToString());
var second = new SupportedTagAttribute(Guid.NewGuid().ToString());
var target = new SupportedTagAttributeComparer();
var firstCode = target.GetHashCode(first);
var secondCode = target.GetHashCode(second);
firstCode.Should().NotBe(secondCode);
}
public void EqualsReturnsTrueWhenTagsMatchWithoutAttributesTest()
{
var first = new SupportedTagAttribute(Guid.NewGuid().ToString());
var second = new SupportedTagAttribute(first.TagName);
var target = new SupportedTagAttributeComparer();
var actual = target.Equals(first, second);
actual.Should().BeTrue();
}
