117 lines
3.6 KiB
C#
117 lines
3.6 KiB
C#
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
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using System.Reflection;
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using Moq;
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using Xunit;
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using Assert = Microsoft.TestCommon.AssertEx;
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namespace System.Web.Mvc.Test
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{
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public class ParameterDescriptorTest
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{
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[Fact]
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public void BindingInfoProperty()
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{
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// Arrange
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ParameterDescriptor pd = GetParameterDescriptor(typeof(object), "someName");
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// Act
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ParameterBindingInfo bindingInfo = pd.BindingInfo;
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// Assert
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Assert.IsType(typeof(ParameterDescriptor).GetNestedType("EmptyParameterBindingInfo", BindingFlags.NonPublic),
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bindingInfo);
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}
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[Fact]
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public void DefaultValuePropertyDefaultsToNull()
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{
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// Arrange
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ParameterDescriptor pd = GetParameterDescriptor();
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// Act
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object defaultValue = pd.DefaultValue;
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// Assert
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Assert.Null(defaultValue);
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}
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[Fact]
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public void GetCustomAttributesReturnsEmptyArrayOfAttributeType()
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{
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// Arrange
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ParameterDescriptor pd = GetParameterDescriptor();
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// Act
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ObsoleteAttribute[] attrs = (ObsoleteAttribute[])pd.GetCustomAttributes(typeof(ObsoleteAttribute), true);
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// Assert
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Assert.Empty(attrs);
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}
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[Fact]
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public void GetCustomAttributesThrowsIfAttributeTypeIsNull()
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{
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// Arrange
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ParameterDescriptor pd = GetParameterDescriptor();
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// Act & assert
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Assert.ThrowsArgumentNull(
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delegate { pd.GetCustomAttributes(null /* attributeType */, true); }, "attributeType");
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}
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[Fact]
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public void GetCustomAttributesWithoutAttributeTypeCallsGetCustomAttributesWithAttributeType()
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{
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// Arrange
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object[] expected = new object[0];
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Mock<ParameterDescriptor> mockDescriptor = new Mock<ParameterDescriptor>() { CallBase = true };
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mockDescriptor.Setup(d => d.GetCustomAttributes(typeof(object), true)).Returns(expected);
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ParameterDescriptor pd = mockDescriptor.Object;
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// Act
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object[] returned = pd.GetCustomAttributes(true /* inherit */);
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// Assert
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Assert.Same(expected, returned);
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}
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[Fact]
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public void IsDefinedReturnsFalse()
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{
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// Arrange
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ParameterDescriptor pd = GetParameterDescriptor();
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// Act
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bool isDefined = pd.IsDefined(typeof(object), true);
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// Assert
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Assert.False(isDefined);
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}
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[Fact]
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public void IsDefinedThrowsIfAttributeTypeIsNull()
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{
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// Arrange
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ParameterDescriptor pd = GetParameterDescriptor();
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// Act & assert
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Assert.ThrowsArgumentNull(
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delegate { pd.IsDefined(null /* attributeType */, true); }, "attributeType");
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}
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private static ParameterDescriptor GetParameterDescriptor()
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{
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return GetParameterDescriptor(typeof(object), "someName");
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}
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private static ParameterDescriptor GetParameterDescriptor(Type type, string name)
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{
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Mock<ParameterDescriptor> mockDescriptor = new Mock<ParameterDescriptor>() { CallBase = true };
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mockDescriptor.Setup(d => d.ParameterType).Returns(type);
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mockDescriptor.Setup(d => d.ParameterName).Returns(name);
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return mockDescriptor.Object;
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}
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}
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}
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