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[Fixes #2491] RemoveRange handles attributes parameter safely

This commit is contained in:
Ajay Bhargav Baaskaran 2015-05-05 10:42:27 -07:00
parent c0ca6214c2
commit 0a7b2ac821
2 changed files with 27 additions and 2 deletions
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2
src/Microsoft.AspNet.Mvc.TagHelpers/TagHelperOutputExtensions.cs
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@ -117,7 +117,7 @@ namespace Microsoft.AspNet.Mvc.TagHelpers
[NotNull] this TagHelperOutput tagHelperOutput,
[NotNull] IEnumerable<TagHelperAttribute> attributes)
{
foreach (var attribute in attributes)
foreach (var attribute in attributes.ToArray())
{
tagHelperOutput.Attributes.Remove(attribute);
}

27
test/Microsoft.AspNet.Mvc.TagHelpers.Test/TagHelperOutputExtensionsTest.cs
View File

@ -3,6 +3,7 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNet.Mvc.Rendering;
using Microsoft.AspNet.Razor.Runtime.TagHelpers;
@ -209,7 +210,7 @@ namespace Microsoft.AspNet.Mvc.TagHelpers
}
[Fact]
public void RemoveRange_RemovesProvidedAttributes()
public void RemoveRange_RemovesProvidedAttributes_WithArrayInput()
{
// Arrange
var tagHelperOutput = new TagHelperOutput(
@ -231,6 +232,30 @@ namespace Microsoft.AspNet.Mvc.TagHelpers
Assert.Equal(expectedAttribute, attribute);
}
[Fact]
public void RemoveRange_RemovesProvidedAttributes_WithCollectionInput()
{
// Arrange
var tagHelperOutput = new TagHelperOutput(
"p",
attributes: new TagHelperAttributeList()
{
{ "route-Hello", "World" },
{ "Route-I", "Am" }
});
var expectedAttribute = new TagHelperAttribute("type", "btn");
tagHelperOutput.Attributes.Add(expectedAttribute);
var attributes = tagHelperOutput.Attributes
.Where(item => item.Name.StartsWith("route-", StringComparison.OrdinalIgnoreCase));
// Act
tagHelperOutput.RemoveRange(attributes);
// Assert
var attribute = Assert.Single(tagHelperOutput.Attributes);
Assert.Equal(expectedAttribute, attribute);
}
[Fact]
public void FindPrefixedAttributes_ReturnsEmpty_AttributeListIfNoAttributesPrefixed()
{