third_party/WebKit/LayoutTests/fast/dom/geometry-interfaces-dom-matrix-readonly-inverse.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: fix a global-interface-listing-expected.txt Created 4 years, 3 months ago

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	1 <!DOCTYPE HTML>

	2 <html>

	3 <head>

	4 <title>Geometry Interfaces: DOMMatrixReadOnly inverse</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 DOMMatrixReadOnly([1, 2, 3, 4, 5, 6]);

	12 var inverse = matrix2d.inverse();

	13 assert_true(inverse.is2D);

	14 assert_equals(inverse.a, -2);

	15 assert_equals(inverse.b, 1);

	16 assert_equals(inverse.c, 1.5);

	17 assert_equals(inverse.d, -0.5);

	18 assert_equals(inverse.e, 1);

	19 assert_equals(inverse.f, -2);

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

	21

	22 test(function() {

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

	24 var inverse =matrix2d.inverse();

	25 assert_false(inverse.is2D);

	26 assert_equals(inverse.a, NaN);

	27 assert_equals(inverse.b, NaN);

	28 assert_equals(inverse.c, NaN);

	29 assert_equals(inverse.d, NaN);

	30 assert_equals(inverse.e, NaN);

	31 assert_equals(inverse.f, NaN);

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

	33

	34 test(function() {

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

	36 var inverse = matrix3d.inverse();

	37 assert_false(inverse.is2D);

	38 assert_equals(inverse.m11, -1.6);

	39 assert_equals(inverse.m12, 0.05);

	40 assert_equals(inverse.m13, 0.6);

	41 assert_equals(inverse.m14, 0.45);

	42 assert_equals(inverse.m21, 2.05);

	43 assert_equals(inverse.m22, -0.025);

	44 assert_equals(inverse.m23, -0.8);

	45 assert_equals(inverse.m24, -0.575);

	46 assert_equals(inverse.m31, -0.4);

	47 assert_equals(inverse.m32, 0);

	48 assert_equals(inverse.m33, 0.2);

	49 assert_equals(inverse.m34, 0.1);

	50 assert_equals(inverse.m41, -0.3);

	51 assert_equals(inverse.m42, -0);

	52 assert_equals(inverse.m43, 0.1);

	53 assert_equals(inverse.m44, 0.1);

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

	55

	56 test(function() {

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

	58 var inverse = matrix3d.inverse();

	59 assert_false(inverse.is2D);

	60 assert_equals(inverse.m11, NaN);

	61 assert_equals(inverse.m12, NaN);

	62 assert_equals(inverse.m13, NaN);

	63 assert_equals(inverse.m14, NaN);

	64 assert_equals(inverse.m21, NaN);

	65 assert_equals(inverse.m22, NaN);

	66 assert_equals(inverse.m23, NaN);

	67 assert_equals(inverse.m24, NaN);

	68 assert_equals(inverse.m31, NaN);

	69 assert_equals(inverse.m32, NaN);

	70 assert_equals(inverse.m33, NaN);

	71 assert_equals(inverse.m34, NaN);

	72 assert_equals(inverse.m41, NaN);

	73 assert_equals(inverse.m42, NaN);

	74 assert_equals(inverse.m43, NaN);

	75 assert_equals(inverse.m44, NaN);

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

	77 </script>

	78 </body>

	79 </html>

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