<!DOCTYPE html> <title>Geometry Interfaces: DOMMatrixInit validate and fixup</title> <link rel="help" href="https://drafts.fxtf.org/geometry/#dommatrixinit-dictionary"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="support/dommatrix-test-util.js"></script> <script> [ {a: 1, m11: 2}, {b: 0, m12: -1}, {c: Infinity, m21: -Infinity}, {d: 0, m22: NaN}, {e: 1, m41: 1.00000001}, {f: 0, m42: Number.MIN_VALUE}, {m13: 1, is2D: true}, {m14: 1, is2D: true}, {m23: 1, is2D: true}, {m24: 1, is2D: true}, {m31: 1, is2D: true}, {m32: 1, is2D: true}, {m33: 0, is2D: true}, {m33: -0, is2D: true}, {m33: -1, is2D: true}, {m34: 1, is2D: true}, {m43: 1, is2D: true}, {m44: 0, is2D: true}, ].forEach(dict => { test(() => { assert_true('fromMatrix' in DOMMatrix, 'fromMatrix should exist'); assert_throws_js(TypeError, () => DOMMatrix.fromMatrix(dict)); assert_true('multiply' in DOMMatrix.prototype, 'multiply should exist'); assert_throws_js(TypeError, () => new DOMMatrix().multiply(dict)); assert_true('multiplySelf' in DOMMatrix.prototype, 'multiplySelf should exist'); assert_throws_js(TypeError, () => new DOMMatrix().multiplySelf(dict)); assert_true('preMultiplySelf' in DOMMatrix.prototype, 'preMultiplySelf should exist'); assert_throws_js(TypeError, () => new DOMMatrix().preMultiplySelf(dict)); }, `${format_dict(dict)} (invalid)`); }); [ [{}, matrix2D({})], [{is2D: undefined}, matrix2D({})], // undefined means the dictionary member is not present [{a: 1, m11: 1}, matrix2D({m11: 1})], [{b: 0, m12: undefined}, matrix2D({m12: 0})], [{c: 0, m21: 0}, matrix2D({m21: 0})], [{c: 0, m21: -0}, matrix2D({m21: -0})], [{c: -0, m21: 0}, matrix2D({m21: 0})], [{c: -0, m21: -0}, matrix2D({m21: -0})], [{d: Infinity, m22: Infinity}, matrix2D({m22: Infinity})], [{e: -Infinity, m41: -Infinity}, matrix2D({m41: -Infinity})], [{f: NaN, m42: NaN}, matrix2D({m42: NaN})], [{f: NaN, m42: NaN, is2D: true}, matrix2D({m42: NaN})], [{f: 0, m42: null}, matrix2D({m42: 0})], // null is converted to 0 [{f: -0, m42: null}, matrix2D({m42: 0})], // null is converted to 0 [{a: 2}, matrix2D({m11: 2})], [{b: 2}, matrix2D({m12: 2})], [{c: 2}, matrix2D({m21: 2})], [{d: 2}, matrix2D({m22: 2})], [{e: 2}, matrix2D({m41: 2})], [{f: 2}, matrix2D({m42: 2})], [{a: -0, b: -0, c: -0, d: -0, e: -0, f: -0}, matrix2D({m11: -0, m12: -0, m21: -0, m22: -0, m41: -0, m42: -0})], [{a: -0, b: -0, c: -0, d: -0, e: -0, f: -0, is2D: true}, matrix2D({m11: -0, m12: -0, m21: -0, m22: -0, m41: -0, m42: -0})], [{m11:2}, matrix2D({m11: 2})], [{m12:2}, matrix2D({m12: 2})], [{m21:2}, matrix2D({m21: 2})], [{m22:2}, matrix2D({m22: 2})], [{m41:2}, matrix2D({m41: 2})], [{m42:2}, matrix2D({m42: 2})], [{m11: -0, m12: -0, m21: -0, m22: -0, m41: -0, m42: -0}, matrix2D({m11: -0, m12: -0, m21: -0, m22: -0, m41: -0, m42: -0})], [{m11: -0, m12: -0, m21: -0, m22: -0, m41: -0, m42: -0, is2D: true}, matrix2D({m11: -0, m12: -0, m21: -0, m22: -0, m41: -0, m42: -0})], [{m13: 0, is2D: true}, matrix2D({m13: 0})], [{m13: -0, is2D: true}, matrix2D({m13: 0})], [{m14: 0, is2D: true}, matrix2D({m14: 0})], [{m14: -0, is2D: true}, matrix2D({m14: 0})], [{m23: 0, is2D: true}, matrix2D({m23: 0})], [{m23: -0, is2D: true}, matrix2D({m23: 0})], [{m24: 0, is2D: true}, matrix2D({m24: 0})], [{m24: -0, is2D: true}, matrix2D({m24: 0})], [{m31: 0, is2D: true}, matrix2D({m31: 0})], [{m31: -0, is2D: true}, matrix2D({m31: 0})], [{m32: 0, is2D: true}, matrix2D({m32: 0})], [{m32: -0, is2D: true}, matrix2D({m32: 0})], [{m33: 1, is2D: true}, matrix2D({m33: 1})], [{m34: 0, is2D: true}, matrix2D({m34: 0})], [{m34: -0, is2D: true}, matrix2D({m34: 0})], [{m43: 0, is2D: true}, matrix2D({m43: 0})], [{m43: -0, is2D: true}, matrix2D({m43: 0})], [{m44: 1, is2D: true}, matrix2D({m44: 1})], [{is2D: true}, matrix2D({})], ].forEach(([dict, expected]) => { test(() => { const matrix = DOMMatrix.fromMatrix(dict); checkMatrix(matrix, expected); }, `${format_dict(dict)} (2d)`); }); [ [{m13: 1, is2D: false}, matrix3D({m13: 1})], [{m14: 1, is2D: false}, matrix3D({m14: 1})], [{m23: 1, is2D: false}, matrix3D({m23: 1})], [{m24: 1, is2D: false}, matrix3D({m24: 1})], [{m31: 1, is2D: false}, matrix3D({m31: 1})], [{m32: 1, is2D: false}, matrix3D({m32: 1})], [{m33: 0, is2D: false}, matrix3D({m33: 0})], [{m33: -0, is2D: false}, matrix3D({m33: -0})], [{m33: -1, is2D: false}, matrix3D({m33: -1})], [{m34: 1, is2D: false}, matrix3D({m34: 1})], [{m43: 1, is2D: false}, matrix3D({m43: 1})], [{m44: 0, is2D: false}, matrix3D({m44: 0})], [{m13: 1}, matrix3D({m13: 1})], [{m14: 1}, matrix3D({m14: 1})], [{m23: 1}, matrix3D({m23: 1})], [{m24: 1}, matrix3D({m24: 1})], [{m31: 1}, matrix3D({m31: 1})], [{m32: 1}, matrix3D({m32: 1})], [{m33: 0}, matrix3D({m33: 0})], [{m34: 1}, matrix3D({m34: 1})], [{m43: 1}, matrix3D({m43: 1})], [{m44: 0}, matrix3D({m44: 0})], [{is2D: false}, matrix3D({})], [{is2D: null}, matrix3D({})], // null is converted to false ].forEach(([dict, expected]) => { test(() => { const matrix = DOMMatrix.fromMatrix(dict); checkMatrix(matrix, expected); }, `${format_dict(dict)} (3d)`); }); </script>