public void EqualsReturnsFalseIfOnlyOneElementIsNull()
{
var key = new KeyBitmap(4, 4, null);
KeyBitmap.Equals(null, null).Should().BeTrue();
KeyBitmap.Equals(null, key).Should().BeFalse();
KeyBitmap.Equals(key, null).Should().BeFalse();
}
public void EqualsReturnsFalseIfHeightIsDifferent()
{
var key1 = new KeyBitmap(4, 4, null);
var key2 = new KeyBitmap(4, 3, null);
var key3 = new KeyBitmap(4, 4, null);
key1.Should().NotBe(key2);
key1.Should().NotBeSameAs(key2);
key1.Should().Be(key3);
key1.Should().NotBeSameAs(key3);
KeyBitmap.Equals(key1, key3).Should().BeTrue();
}