28 lines
904 B
C#
28 lines
904 B
C#
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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
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namespace System.Data.Entity.Utilities
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{
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using Xunit;
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public class DynamicEqualityComparerTests
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{
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[Fact]
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public void Equals_should_apply_provided_comparer_function()
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{
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var dynamicComparer = new DynamicEqualityComparer<string>((a, b) => a.Length > b.Length);
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Assert.True(dynamicComparer.Equals("a", ""));
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Assert.False(dynamicComparer.Equals("foo", "bar"));
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}
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[Fact]
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public void GetHashCode_is_no_op()
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{
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var dynamicComparer = new DynamicEqualityComparer<string>((_, __) => false);
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Assert.Equal(0, dynamicComparer.GetHashCode("a"));
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Assert.Equal(0, dynamicComparer.GetHashCode("b"));
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}
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}
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}
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