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<title>Geometry Interfaces: DOMMatrix skew</title>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
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<body>
<script>
test(function() {
    var matrix2d = new DOMMatrix(new DOMMatrixReadOnly([1, 2, 3, 3.1, 2, 1]));
    matrix2d.skewXSelf();
    assert_true(matrix2d.is2D);
    assert_equals(matrix2d.a, 1);
    assert_equals(matrix2d.b, 2);
    assert_equals(matrix2d.c, 3);
    assert_equals(matrix2d.d, 3.1);
    assert_equals(matrix2d.e, 2);
    assert_equals(matrix2d.f, 1);
}, "DOMMatrix skewX() - 2D matrix");

test(function() {
    var matrix2d = new DOMMatrix(new DOMMatrixReadOnly([1, 2, 3, 3.1, 2, 1]));
    matrix2d.skewXSelf(45);
    assert_true(matrix2d.is2D);
    assert_equals(matrix2d.a, 1);
    assert_equals(matrix2d.b, 2);
    assert_equals(matrix2d.c, 4);
    assert_equals(matrix2d.d, 5.1);
    assert_equals(matrix2d.e, 2);
    assert_equals(matrix2d.f, 1);
}, "DOMMatrix skewX(45) - 2D matrix");

test(function() {
    var matrix3d = new DOMMatrix(new DOMMatrixReadOnly([1, 2, 3, 4, 5, 6, 7, 8, 9, 10.1, 11, 12, 13, 14, 15, 16.6]));
    matrix3d.skewXSelf();
    assert_false(matrix3d.is2D);
    assert_equals(matrix3d.m11, 1);
    assert_equals(matrix3d.m12, 2);
    assert_equals(matrix3d.m13, 3);
    assert_equals(matrix3d.m14, 4);
    assert_equals(matrix3d.m21, 5);
    assert_equals(matrix3d.m22, 6);
    assert_equals(matrix3d.m23, 7);
    assert_equals(matrix3d.m24, 8);
    assert_equals(matrix3d.m31, 9);
    assert_equals(matrix3d.m32, 10.1);
    assert_equals(matrix3d.m33, 11);
    assert_equals(matrix3d.m34, 12);
    assert_equals(matrix3d.m41, 13);
    assert_equals(matrix3d.m42, 14);
    assert_equals(matrix3d.m43, 15);
    assert_equals(matrix3d.m44, 16.6);
}, "DOMMatrix skewX() - 3D matrix");

test(function() {
    var matrix3d = new DOMMatrix(new DOMMatrixReadOnly([1, 2, 3, 4, 5, 6, 7, 8, 9, 10.1, 11, 12, 13, 14, 15, 16.6]));
    matrix3d.skewXSelf(45);
    assert_false(matrix3d.is2D);
    assert_equals(matrix3d.m11, 1);
    assert_equals(matrix3d.m12, 2);
    assert_equals(matrix3d.m13, 3);
    assert_equals(matrix3d.m14, 4);
    assert_equals(matrix3d.m21, 6);
    assert_equals(matrix3d.m22, 8);
    assert_equals(matrix3d.m23, 10);
    assert_equals(matrix3d.m24, 12);
    assert_equals(matrix3d.m31, 9);
    assert_equals(matrix3d.m32, 10.1);
    assert_equals(matrix3d.m33, 11);
    assert_equals(matrix3d.m34, 12);
    assert_equals(matrix3d.m41, 13);
    assert_equals(matrix3d.m42, 14);
    assert_equals(matrix3d.m43, 15);
    assert_equals(matrix3d.m44, 16.6);
}, "DOMMatrix skewX(45) - 3D matrix");

test(function() {
    var matrix2d = new DOMMatrix(new DOMMatrixReadOnly([1, 2, 3, 3.1, 2, 1]));
    matrix2d.skewYSelf();
    assert_true(matrix2d.is2D);
    assert_equals(matrix2d.a, 1);
    assert_equals(matrix2d.b, 2);
    assert_equals(matrix2d.c, 3);
    assert_equals(matrix2d.d, 3.1);
    assert_equals(matrix2d.e, 2);
    assert_equals(matrix2d.f, 1);
}, "DOMMatrix skewY() - 2D matrix");

test(function() {
    var matrix2d = new DOMMatrix(new DOMMatrixReadOnly([2, 2, 2, 2, 2, 2]));
    matrix2d.skewYSelf(45);
    assert_true(matrix2d.is2D);
    assert_equals(matrix2d.a, 4);
    assert_equals(matrix2d.b, 4);
    assert_equals(matrix2d.c, 2);
    assert_equals(matrix2d.d, 2);
    assert_equals(matrix2d.e, 2);
    assert_equals(matrix2d.f, 2);
}, "DOMMatrix skewY(45) - 2D matrix");

test(function() {
    var matrix3d = new DOMMatrix(new DOMMatrixReadOnly([1, 2, 3, 4, 5, 6, 7, 8, 9, 10.1, 11, 12, 13, 14, 15, 16.6]));
    matrix3d.skewYSelf();
    assert_false(matrix3d.is2D);
    assert_equals(matrix3d.m11, 1);
    assert_equals(matrix3d.m12, 2);
    assert_equals(matrix3d.m13, 3);
    assert_equals(matrix3d.m14, 4);
    assert_equals(matrix3d.m21, 5);
    assert_equals(matrix3d.m22, 6);
    assert_equals(matrix3d.m23, 7);
    assert_equals(matrix3d.m24, 8);
    assert_equals(matrix3d.m31, 9);
    assert_equals(matrix3d.m32, 10.1);
    assert_equals(matrix3d.m33, 11);
    assert_equals(matrix3d.m34, 12);
    assert_equals(matrix3d.m41, 13);
    assert_equals(matrix3d.m42, 14);
    assert_equals(matrix3d.m43, 15);
    assert_equals(matrix3d.m44, 16.6);
}, "DOMMatrix skewY() - 3D matrix");

test(function() {
    var matrix3d = new DOMMatrix(new DOMMatrixReadOnly([1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]));
    matrix3d.skewYSelf(45);
    assert_false(matrix3d.is2D);
    assert_equals(matrix3d.m11, 2);
    assert_equals(matrix3d.m12, 2);
    assert_equals(matrix3d.m13, 2);
    assert_equals(matrix3d.m14, 2);
    assert_equals(matrix3d.m21, 1);
    assert_equals(matrix3d.m22, 1);
    assert_equals(matrix3d.m23, 1);
    assert_equals(matrix3d.m24, 1);
    assert_equals(matrix3d.m31, 1);
    assert_equals(matrix3d.m32, 1);
    assert_equals(matrix3d.m33, 1);
    assert_equals(matrix3d.m34, 1);
    assert_equals(matrix3d.m41, 1);
    assert_equals(matrix3d.m42, 1);
    assert_equals(matrix3d.m43, 1);
    assert_equals(matrix3d.m44, 1);
}, "DOMMatrix skewY(45) - 3D matrix");
</script>
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