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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Linq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Razor.Test
{
public class RazorDirectiveAttributeTest
{
[Fact]
public void ConstructorThrowsIfNameIsNullOrEmpty()
{
// Act and Assert
Assert.ThrowsArgumentNullOrEmptyString(() => new RazorDirectiveAttribute(name: null, value: "blah"), "name");
Assert.ThrowsArgumentNullOrEmptyString(() => new RazorDirectiveAttribute(name: "", value: "blah"), "name");
}
[Fact]
public void EnsureRazorDirectiveProperties()
{
// Arrange
var attribute = (AttributeUsageAttribute)typeof(RazorDirectiveAttribute).GetCustomAttributes(typeof(AttributeUsageAttribute), inherit: false)
.SingleOrDefault();
// Assert
Assert.True(attribute.AllowMultiple);
Assert.True(attribute.ValidOn == AttributeTargets.Class);
Assert.True(attribute.Inherited);
}
[Fact]
public void EqualsAndGetHashCodeIgnoresCase()
{
// Arrange
var attribute1 = new RazorDirectiveAttribute("foo", "bar");
var attribute2 = new RazorDirectiveAttribute("fOo", "BAr");
// Act
var hashCode1 = attribute1.GetHashCode();
var hashCode2 = attribute2.GetHashCode();
// Assert
Assert.Equal(attribute1, attribute2);
Assert.Equal(hashCode1, hashCode2);
}
[Fact]
public void EqualsAndGetHashCodeDoNotThrowIfValueIsNullOrEmpty()
{
// Arrange
var attribute1 = new RazorDirectiveAttribute("foo", null);
var attribute2 = new RazorDirectiveAttribute("foo", "BAr");
// Act
bool result = attribute1.Equals(attribute2);
var hashCode = attribute1.GetHashCode();
// Assert
Assert.False(result);
// If we've got this far, GetHashCode did not throw
}
[Fact]
public void EqualsAndGetHashCodeReturnDifferentValuesForNullAndEmpty()
{
// Arrange
var attribute1 = new RazorDirectiveAttribute("foo", null);
var attribute2 = new RazorDirectiveAttribute("foo", "");
// Act
bool result = attribute1.Equals(attribute2);
var hashCode1 = attribute1.GetHashCode();
var hashCode2 = attribute2.GetHashCode();
// Assert
Assert.False(result);
Assert.NotEqual(hashCode1, hashCode2);
}
}
}
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