third_party/WebKit/LayoutTests/fast/dom/geometry-interfaces-dom-matrix-invert.html - Issue 2283173003: Implement inverse & invertSelf function in DOMMatrix & DOMMatrixReadOnly.

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Issue 2283173003: Implement inverse & invertSelf function in DOMMatrix & DOMMatrixReadOnly. (Closed)

Patch Set: Created 4 years, 3 months ago

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	1 <!DOCTYPE HTML>

	2 <html>

	3 <head>

	4 <title>Geometry Interfaces: DOMMatrix invert</title>

	5 <script src="../../resources/testharness.js"></script>

	6 <script src="../../resources/testharnessreport.js"></script>

	7 </head>

	8 <body>

	9 <script>

	10 test(function() {

	11 var matrix2d = new DOMMatrix(new DOMMatrixReadOnly([1, 2, 3, 4, 5, 6]));
	dominicc (has gone to gerrit) 2016/08/30 02:22:09 Put TODO on this to just create the DOMMatrix dire Put TODO on this to just create the DOMMatrix directly when the sequence constructor is supported. Mention that there are lots of instances below, too. Hwanseung Lee 2016/08/30 12:47:05 Done. Show quoted text On 2016/08/30 02:22:09, dominicc wrote: > Put TODO on this to just create the DOMMatrix directly when the sequence > constructor is supported. Mention that there are lots of instances below, too. Done.
	12 matrix2d.invertSelf();

	13 assert_true(matrix2d.is2D);

	14 assert_equals(matrix2d.a, -2);

	15 assert_equals(matrix2d.b, 1);

	16 assert_equals(matrix2d.c, 1.5);

	17 assert_equals(matrix2d.d, -0.5);

	18 assert_equals(matrix2d.e, 1);

	19 assert_equals(matrix2d.f, -2);

	20 }, "DOMMatrix invertSelf() - invertible - 2D matrix");

	21

	22 test(function() {

	23 var matrix2d = new DOMMatrix(new DOMMatrixReadOnly([1, 1, 1, 1, 1, 1]));

	24 matrix2d.invertSelf();

	25 assert_false(matrix2d.is2D);

	26 assert_equals(matrix2d.a, NaN);

	27 assert_equals(matrix2d.b, NaN);

	28 assert_equals(matrix2d.c, NaN);

	29 assert_equals(matrix2d.d, NaN);

	30 assert_equals(matrix2d.e, NaN);

	31 assert_equals(matrix2d.f, NaN);

	32 }, "DOMMatrix invertSelf() - uninvertible - 2D matrix");

	33

	34 test(function() {

	35 var matrix3d = new DOMMatrix(new DOMMatrixReadOnly([10, 20, 30, 40, 40, 40, 30, 20, 10, 20, 40, 30, 20, 40, 50, 100]));

	36 matrix3d.invertSelf();

	37 assert_false(matrix3d.is2D);

	38 assert_equals(matrix3d.m11, -1.6);

	39 assert_equals(matrix3d.m12, 0.05);

	40 assert_equals(matrix3d.m13, 0.6);

	41 assert_equals(matrix3d.m14, 0.45);

	42 assert_equals(matrix3d.m21, 2.05);

	43 assert_equals(matrix3d.m22, -0.025);

	44 assert_equals(matrix3d.m23, -0.8);

	45 assert_equals(matrix3d.m24, -0.575);

	46 assert_equals(matrix3d.m31, -0.4);

	47 assert_equals(matrix3d.m32, 0);

	48 assert_equals(matrix3d.m33, 0.2);

	49 assert_equals(matrix3d.m34, 0.1);

	50 assert_equals(matrix3d.m41, -0.3);

	51 assert_equals(matrix3d.m42, -0);

	52 assert_equals(matrix3d.m43, 0.1);

	53 assert_equals(matrix3d.m44, 0.1);

	54 }, "DOMMatrix invertSelf() - 3D matrix");

	55

	56 test(function() {

	57 var matrix3d = new DOMMatrix(new DOMMatrixReadOnly([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]));

	58 matrix3d.invertSelf();

	59 assert_false(matrix3d.is2D);

	60 assert_equals(matrix3d.m11, NaN);

	61 assert_equals(matrix3d.m12, NaN);

	62 assert_equals(matrix3d.m13, NaN);

	63 assert_equals(matrix3d.m14, NaN);

	64 assert_equals(matrix3d.m21, NaN);

	65 assert_equals(matrix3d.m22, NaN);

	66 assert_equals(matrix3d.m23, NaN);

	67 assert_equals(matrix3d.m24, NaN);

	68 assert_equals(matrix3d.m31, NaN);

	69 assert_equals(matrix3d.m32, NaN);

	70 assert_equals(matrix3d.m33, NaN);

	71 assert_equals(matrix3d.m34, NaN);

	72 assert_equals(matrix3d.m41, NaN);

	73 assert_equals(matrix3d.m42, NaN);

	74 assert_equals(matrix3d.m43, NaN);

	75 assert_equals(matrix3d.m44, NaN);

	76 }, "DOMMatrix invertSelf() - uninvertible - 3D matrix");

	77 </script>

	78 </body>

	79 </html>

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