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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Specialized;
using System.Globalization;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Test
{
public class NameValueCollectionValueProviderTest
{
private static readonly NameValueCollection _backingStore = new NameValueCollection()
{
{ "foo", "fooValue1" },
{ "foo", "fooValue2" },
{ "bar.baz", "someOtherValue" }
};
[Fact]
public void Constructor_ThrowsIfCollectionIsNull()
{
// Act & assert
Assert.ThrowsArgumentNull(
delegate { new NameValueCollectionValueProvider(null, CultureInfo.InvariantCulture); }, "collection");
}
[Fact]
public void ContainsPrefix()
{
// Arrange
NameValueCollectionValueProvider valueProvider = new NameValueCollectionValueProvider(_backingStore, null);
// Act
bool result = valueProvider.ContainsPrefix("bar");
// Assert
Assert.True(result);
}
[Fact]
public void ContainsPrefix_DoesNotContainEmptyPrefixIfBackingStoreIsEmpty()
{
// Arrange
NameValueCollectionValueProvider valueProvider = new NameValueCollectionValueProvider(new NameValueCollection(), null);
// Act
bool result = valueProvider.ContainsPrefix("");
// Assert
Assert.False(result);
}
[Fact]
public void ContainsPrefix_ThrowsIfPrefixIsNull()
{
// Arrange
NameValueCollectionValueProvider valueProvider = new NameValueCollectionValueProvider(_backingStore, null);
// Act & assert
Assert.ThrowsArgumentNull(
delegate { valueProvider.ContainsPrefix(null); }, "prefix");
}
[Fact]
public void GetValue()
{
// Arrange
CultureInfo culture = CultureInfo.GetCultureInfo("fr-FR");
NameValueCollectionValueProvider valueProvider = new NameValueCollectionValueProvider(_backingStore, culture);
// Act
ValueProviderResult vpResult = valueProvider.GetValue("foo");
// Assert
Assert.NotNull(vpResult);
Assert.Equal(_backingStore.GetValues("foo"), (string[])vpResult.RawValue);
Assert.Equal("fooValue1,fooValue2", vpResult.AttemptedValue);
Assert.Equal(culture, vpResult.Culture);
}
[Fact]
public void GetValue_NonValidating()
{
// Arrange
NameValueCollection unvalidatedCollection = new NameValueCollection()
{
{ "foo", "fooValue3" },
{ "foo", "fooValue4" }
};
CultureInfo culture = CultureInfo.GetCultureInfo("fr-FR");
NameValueCollectionValueProvider valueProvider = new NameValueCollectionValueProvider(_backingStore, unvalidatedCollection, culture);
// Act
ValueProviderResult vpResult = valueProvider.GetValue("foo", skipValidation: true);
// Assert
Assert.NotNull(vpResult);
Assert.Equal(new[] { "fooValue3", "fooValue4" }, (string[])vpResult.RawValue);
Assert.Equal("fooValue3,fooValue4", vpResult.AttemptedValue);
Assert.Equal(culture, vpResult.Culture);
}
[Fact]
public void GetValue_NonValidating_NoUnvalidatedCollectionSpecified_UsesDefaultCollectionValue()
{
// Arrange
CultureInfo culture = CultureInfo.GetCultureInfo("fr-FR");
NameValueCollectionValueProvider valueProvider = new NameValueCollectionValueProvider(_backingStore, null, culture);
// Act
ValueProviderResult vpResult = valueProvider.GetValue("foo", skipValidation: true);
// Assert
Assert.NotNull(vpResult);
Assert.Equal(_backingStore.GetValues("foo"), (string[])vpResult.RawValue);
Assert.Equal("fooValue1,fooValue2", vpResult.AttemptedValue);
Assert.Equal(culture, vpResult.Culture);
}
[Fact]
public void GetValue_ReturnsNullIfKeyNotFound()
{
// Arrange
NameValueCollectionValueProvider valueProvider = new NameValueCollectionValueProvider(_backingStore, null);
// Act
ValueProviderResult vpResult = valueProvider.GetValue("bar");
// Assert
Assert.Null(vpResult);
}
[Fact]
public void GetValue_ThrowsIfKeyIsNull()
{
// Arrange
NameValueCollectionValueProvider valueProvider = new NameValueCollectionValueProvider(_backingStore, null);
// Act & assert
Assert.ThrowsArgumentNull(
delegate { valueProvider.GetValue(null); }, "key");
}
}
}
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