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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Net.Http.Formatting;
using Moq;
using Xunit;
using Xunit.Extensions;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Net.Http
{
public class HttpResponseMessageExtensionsTest
{
private readonly HttpResponseMessage _response = new HttpResponseMessage();
private readonly Mock<MediaTypeFormatter> _formatterMock = new Mock<MediaTypeFormatter>();
public HttpResponseMessageExtensionsTest()
{
_formatterMock.Setup(f => f.CanWriteType(It.IsAny<Type>())).Returns(true);
}
[Fact]
public void TryGetContentValue_WhenResponseParameterIsNull_Throws()
{
object value;
Assert.ThrowsArgumentNull(() => HttpResponseMessageExtensions.TryGetContentValue<object>(null, out value), "response");
}
[Theory]
[InlineData(default(bool))]
[InlineData(default(int))]
[InlineData(default(object))]
public void TryGetContentValue_WhenResponseHasNoContent_ReturnsFalse<T>(T expectedResult)
{
T value;
Assert.False(_response.TryGetContentValue<T>(out value));
Assert.Equal(expectedResult, value);
}
[Theory]
[InlineData(default(bool))]
[InlineData(default(int))]
[InlineData(default(object))]
public void TryGetContentValue_WhenResponseHasNonObjectContent_ReturnsFalse<T>(T expectedResult)
{
_response.Content = new StringContent("43");
T value;
Assert.False(_response.TryGetContentValue<T>(out value));
Assert.Equal(expectedResult, value);
}
[Theory]
[InlineData(default(bool))]
[InlineData(default(int))]
[InlineData(default(object))]
public void TryGetContentValue_WhenResponseHasObjectContentWithNullValue_ReturnsFalse<T>(T expectedResult)
{
_response.Content = new ObjectContent(typeof(object), null, _formatterMock.Object);
T value;
Assert.False(_response.TryGetContentValue<T>(out value));
Assert.Equal(expectedResult, value);
}
[Theory]
[InlineData(default(bool))]
[InlineData(default(int))]
public void TryGetContentValue_WhenResponseHasObjectContentWithIncompatibleValue_ReturnsFalse<T>(T expectedResult)
{
_response.Content = new ObjectContent<string>("42", _formatterMock.Object);
T value;
Assert.False(_response.TryGetContentValue<T>(out value));
Assert.Equal(expectedResult, value);
}
[Fact]
public void TryGetContentValue_WhenResponseHasObjectContentWithCompatibleValue_ReturnsTrue()
{
List<string> value = new List<string>();
_response.Content = new ObjectContent<List<string>>(value, _formatterMock.Object);
IList<string> result;
Assert.True(_response.TryGetContentValue(out result));
Assert.Same(value, result);
}
[Fact]
public void TryGetContentValue_WhenResponseHasObjectContentValueTypeValue_RetrievingAsObjectReturnsTrue()
{
_response.Content = new ObjectContent<int>(32, _formatterMock.Object);
object result;
Assert.True(_response.TryGetContentValue(out result));
Assert.Equal(32, result);
}
}
}
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