92 lines
2.8 KiB
C#
92 lines
2.8 KiB
C#
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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
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using System.Collections.Generic;
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using System.Linq;
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using Xunit;
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namespace System.Web.Mvc.Test
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{
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public class DictionaryHelpersTest
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{
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[Fact]
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public void DoesAnyKeyHavePrefixFailure()
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{
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// Arrange
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Dictionary<string, object> dict = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase)
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{
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{ "FOOBAR", 42 }
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};
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// Act
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bool wasPrefixFound = DictionaryHelpers.DoesAnyKeyHavePrefix(dict, "foo");
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// Assert
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Assert.False(wasPrefixFound);
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}
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[Fact]
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public void DoesAnyKeyHavePrefixSuccess()
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{
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// Arrange
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Dictionary<string, object> dict = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase)
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{
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{ "FOO.BAR", 42 }
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};
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// Act
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bool wasPrefixFound = DictionaryHelpers.DoesAnyKeyHavePrefix(dict, "foo");
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// Assert
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Assert.True(wasPrefixFound);
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}
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[Fact]
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public void FindKeysWithPrefix()
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{
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// Arrange
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Dictionary<string, string> dict = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
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{
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{ "FOO", "fooValue" },
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{ "FOOBAR", "foobarValue" },
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{ "FOO.BAR", "foo.barValue" },
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{ "FOO[0]", "foo[0]Value" },
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{ "BAR", "barValue" }
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};
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// Act
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var matchingEntries = DictionaryHelpers.FindKeysWithPrefix(dict, "foo");
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// Assert
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var matchingEntriesList = matchingEntries.OrderBy(entry => entry.Key).ToList();
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Assert.Equal(3, matchingEntriesList.Count);
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Assert.Equal("foo", matchingEntriesList[0].Key);
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Assert.Equal("fooValue", matchingEntriesList[0].Value);
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Assert.Equal("FOO.BAR", matchingEntriesList[1].Key);
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Assert.Equal("foo.barValue", matchingEntriesList[1].Value);
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Assert.Equal("FOO[0]", matchingEntriesList[2].Key);
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Assert.Equal("foo[0]Value", matchingEntriesList[2].Value);
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}
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[Fact]
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public void GetOrDefaultMissing()
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{
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Dictionary<string, int> dict = new Dictionary<string, int>();
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int @default = 15;
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int value = dict.GetOrDefault("two", @default);
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Assert.Equal(15, @default);
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}
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[Fact]
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public void GetOrDefaultPresent()
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{
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Dictionary<string, int> dict = new Dictionary<string, int>() { { "one", 1 } };
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int value = dict.GetOrDefault("one", -999);
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Assert.Equal(1, 1);
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}
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}
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}
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