Vector4EqualityComparer

Use this class to compare two Vector4 objects for equality with NUnit constraints. Call Vector4EqualityComparer.Instance to perform comparisons using default calculation error value 0.0001f. To set a custom test value, instantiate a new comparer using the one argument constructor.

Static Properties

Syntax	Description
Vector4EqualityComparer Instance	A comparer instance with the default calculation error value set to 0.0001f.

Constructors

Syntax	Description
Vector4EqualityComparer(float allowedError)	Creates an instance with a custom error value.

Public methods

Syntax	Description
bool Equals(Vector4 expected, Vector4 actual);	Compares the actual and expected Vector4 objects for equality using Utils.AreFloatsEqual to compare the x, y, z, and w attributes of Vector4.

Example

[TestFixture]
public class Vector4Test
{
    [Test]
    public void VerifyThat_TwoVector4ObjectsAreEqual()
    {
        // Custom error 10e-6f
        var actual = new Vector4(0, 0, 1e-6f, 1e-6f);
        var expected = new Vector4(1e-6f, 0f, 0f, 0f);
        var comparer = new Vector4EqualityComparer(10e-6f);

        Assert.That(actual, Is.EqualTo(expected).Using(comparer));

        // Default error 0.0001f
        actual = new Vector4(0.01f, 0.01f, 0f, 0f);
        expected = new Vector4(0.01f, 0.01f, 0f, 0f);

        Assert.That(actual, Is.EqualTo(expected).Using(Vector4EqualityComparer.Instance));
    }
}
