forked from BilalY/Rasagar
56 lines
2.2 KiB
C#
56 lines
2.2 KiB
C#
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using System;
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using System.Collections.Generic;
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namespace UnityEngine.TestTools.Utils
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{
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/// <summary>
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/// Use these classes to compare two objects of the same type for equality within the range of a given tolerance using NUnit or custom constraints . Call Instance to apply the default calculation error value to the comparison.
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/// </summary>
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public class Vector4ComparerWithEqualsOperator : IEqualityComparer<Vector4>
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{
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private static readonly Vector4ComparerWithEqualsOperator m_Instance = new Vector4ComparerWithEqualsOperator();
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/// <summary>
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/// A singleton instance of the comparer with a predefined default error value.
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/// </summary>
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public static Vector4ComparerWithEqualsOperator Instance { get { return m_Instance; } }
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private Vector4ComparerWithEqualsOperator() {}
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/// <summary>
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/// Compares the actual and expected objects for equality using a custom comparison mechanism.
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/// </summary>
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/// <param name="expected">Expected Vector4 used to compare</param>
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/// <param name="actual">Actual Vector4 value to test.</param>
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/// <returns>Returns true if expected and actual objects are equal, otherwise it returns false.</returns>
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/// <example>
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/// <code>
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/// [TestFixture]
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/// public class Vector4Test
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/// {
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/// [Test]
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/// public void VerifyThat_TwoVector4ObjectsAreEqual()
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/// {
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/// var actual = new Vector4(10e-7f, 10e-7f, 10e-7f, 10e-7f);
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/// var expected = new Vector4(0f, 0f, 0f, 0f);
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///
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/// Assert.That(actual, Is.EqualTo(expected).Using(Vector4ComparerWithEqualsOperator.Instance));
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/// }
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/// }
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/// </code>
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/// </example>
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public bool Equals(Vector4 expected, Vector4 actual)
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{
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return expected == actual;
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}
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/// <summary>
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/// Serves as the default hash function.
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/// </summary>
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/// <param name="vec4"> A not null Vector4 object</param>
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/// <returns>Returns 0</returns>
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public int GetHashCode(Vector4 vec4)
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{
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return 0;
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}
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}
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}
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