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| 1 <!DOCTYPE HTML> | 1 <!DOCTYPE HTML> |
| 2 <html> | |
| 3 <head> | |
| 4 <title>Geometry Interfaces: DOMMatrix invert</title> | |
| 5 <script src="../../resources/testharness.js"></script> | 2 <script src="../../resources/testharness.js"></script> |
| 6 <script src="../../resources/testharnessreport.js"></script> | 3 <script src="../../resources/testharnessreport.js"></script> |
| 7 </head> | 4 <script src="./resources/geometry-interfaces-test-helpers.js"></script> |
| 8 <body> | |
| 9 <script> | 5 <script> |
| 10 | |
| 11 // TODO(hs1217.lee): create the DOMMatrix directly when the sequence constructor
is supported. | 6 // TODO(hs1217.lee): create the DOMMatrix directly when the sequence constructor
is supported. |
| 12 function initMatrix(values) { | 7 function initMatrix(values) { |
| 13 return new DOMMatrixReadOnly(values); | 8 return new DOMMatrixReadOnly(values); |
| 14 } | 9 } |
| 15 | 10 |
| 16 test(function() { | 11 test(function() { |
| 17 var matrix2d = new DOMMatrix(initMatrix([1, 2, 3, 4, 5, 6])); | 12 var matrix2d = new DOMMatrix(initMatrix([1, 2, 3, 4, 5, 6])); |
| 18 matrix2d.invertSelf(); | 13 matrix2d.invertSelf(); |
| 19 assert_true(matrix2d.is2D); | 14 assert_2d_matrix_equals(matrix2d, [-2, 1, 1.5, -0.5, 1, -2]); |
| 20 assert_equals(matrix2d.a, -2); | |
| 21 assert_equals(matrix2d.b, 1); | |
| 22 assert_equals(matrix2d.c, 1.5); | |
| 23 assert_equals(matrix2d.d, -0.5); | |
| 24 assert_equals(matrix2d.e, 1); | |
| 25 assert_equals(matrix2d.f, -2); | |
| 26 }, "DOMMatrix invertSelf() - invertible - 2D matrix"); | 15 }, "DOMMatrix invertSelf() - invertible - 2D matrix"); |
| 27 | 16 |
| 28 test(function() { | 17 test(function() { |
| 29 var matrix2d = new DOMMatrix(initMatrix([1, 1, 1, 1, 1, 1])); | 18 var matrix2d = new DOMMatrix(initMatrix([1, 1, 1, 1, 1, 1])); |
| 30 matrix2d.invertSelf(); | 19 matrix2d.invertSelf(); |
| 31 assert_false(matrix2d.is2D); | 20 //when non invertible matrix execute invertSelf(), result matrix is not 2d. |
| 32 assert_equals(matrix2d.a, NaN); | 21 assert_3d_matrix_equals(matrix2d, [NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN
, NaN, NaN, NaN, NaN, NaN, NaN, NaN]); |
| 33 assert_equals(matrix2d.b, NaN); | 22 }, "DOMMatrix invertSelf() - non-invertible - 2D matrix"); |
| 34 assert_equals(matrix2d.c, NaN); | |
| 35 assert_equals(matrix2d.d, NaN); | |
| 36 assert_equals(matrix2d.e, NaN); | |
| 37 assert_equals(matrix2d.f, NaN); | |
| 38 }, "DOMMatrix invertSelf() - uninvertible - 2D matrix"); | |
| 39 | 23 |
| 40 test(function() { | 24 test(function() { |
| 41 var matrix3d = new DOMMatrix(initMatrix([10, 20, 30, 40, 40, 40, 30, 20, 10,
20, 40, 30, 20, 40, 50, 100])); | 25 var matrix3d = new DOMMatrix(initMatrix([10, 20, 30, 40, 40, 40, 30, 20, 10, 2
0, 40, 30, 20, 40, 50, 100])); |
| 42 matrix3d.invertSelf(); | 26 matrix3d.invertSelf(); |
| 43 assert_false(matrix3d.is2D); | 27 assert_3d_matrix_equals(matrix3d, [-1.6, 0.05, 0.6, 0.45, 2.05, -0.025, -0.8,
-0.575, -0.4, 0, 0.2, 0.1, -0.3, 0, 0.1, 0.1]); |
| 44 assert_equals(matrix3d.m11, -1.6); | |
| 45 assert_equals(matrix3d.m12, 0.05); | |
| 46 assert_equals(matrix3d.m13, 0.6); | |
| 47 assert_equals(matrix3d.m14, 0.45); | |
| 48 assert_equals(matrix3d.m21, 2.05); | |
| 49 assert_equals(matrix3d.m22, -0.025); | |
| 50 assert_equals(matrix3d.m23, -0.8); | |
| 51 assert_equals(matrix3d.m24, -0.575); | |
| 52 assert_equals(matrix3d.m31, -0.4); | |
| 53 assert_equals(matrix3d.m32, 0); | |
| 54 assert_equals(matrix3d.m33, 0.2); | |
| 55 assert_equals(matrix3d.m34, 0.1); | |
| 56 assert_equals(matrix3d.m41, -0.3); | |
| 57 assert_equals(matrix3d.m42, -0); | |
| 58 assert_equals(matrix3d.m43, 0.1); | |
| 59 assert_equals(matrix3d.m44, 0.1); | |
| 60 }, "DOMMatrix invertSelf() - 3D matrix"); | 28 }, "DOMMatrix invertSelf() - 3D matrix"); |
| 61 | 29 |
| 62 test(function() { | 30 test(function() { |
| 63 var matrix3d = new DOMMatrix(initMatrix([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
12, 13, 14, 15, 16])); | 31 var matrix3d = new DOMMatrix(initMatrix([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
, 13, 14, 15, 16])); |
| 64 matrix3d.invertSelf(); | 32 matrix3d.invertSelf(); |
| 65 assert_false(matrix3d.is2D); | 33 assert_3d_matrix_equals(matrix3d, [NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN
, NaN, NaN, NaN, NaN, NaN, NaN, NaN]); |
| 66 assert_equals(matrix3d.m11, NaN); | 34 }, "DOMMatrix invertSelf() - non-invertible - 3D matrix"); |
| 67 assert_equals(matrix3d.m12, NaN); | |
| 68 assert_equals(matrix3d.m13, NaN); | |
| 69 assert_equals(matrix3d.m14, NaN); | |
| 70 assert_equals(matrix3d.m21, NaN); | |
| 71 assert_equals(matrix3d.m22, NaN); | |
| 72 assert_equals(matrix3d.m23, NaN); | |
| 73 assert_equals(matrix3d.m24, NaN); | |
| 74 assert_equals(matrix3d.m31, NaN); | |
| 75 assert_equals(matrix3d.m32, NaN); | |
| 76 assert_equals(matrix3d.m33, NaN); | |
| 77 assert_equals(matrix3d.m34, NaN); | |
| 78 assert_equals(matrix3d.m41, NaN); | |
| 79 assert_equals(matrix3d.m42, NaN); | |
| 80 assert_equals(matrix3d.m43, NaN); | |
| 81 assert_equals(matrix3d.m44, NaN); | |
| 82 }, "DOMMatrix invertSelf() - uninvertible - 3D matrix"); | |
| 83 </script> | 35 </script> |
| 84 </body> | |
| 85 </html> | |
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