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<title>Geometry Interfaces: DOMMatrixReadOnly</title>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="./resources/geometry-interfaces-test-helpers.js"></script>
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<body>
<script>
test(() => {
var matrix2d = new DOMMatrixReadOnly([1, 2, 3, 3.1, 2, 1]);
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);
}, "DOMMatrixReadOnly constructor - 2D matrix");
test(() => {
var matrix3d = new DOMMatrixReadOnly([1, 2, 3, 4, 5, 6, 7, 8, 9, 10.1, 11, 12, 13, 14, 15, 16.6]);
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);
}, "DOMMatrixReadOnly constructor - 3D matrix");
test(() => {
var float32Array = new Float32Array([1, 2, 3, 4, 5, 6]);
var matrix2d = DOMMatrixReadOnly.fromFloat32Array(float32Array);
assert_true(matrix2d.is2D);
assert_equals(matrix2d.a, 1);
assert_equals(matrix2d.b, 2);
assert_equals(matrix2d.c, 3);
assert_equals(matrix2d.d, 4);
assert_equals(matrix2d.e, 5);
assert_equals(matrix2d.f, 6);
}, "DOMMatrixReadOnly fromFloat32Array - 2D matrix");
test(() => {
// 3.1 is not representable as a 32-bit float
var float64Array = new Float64Array([1, 2, 3, 3.1, 4, 5]);
var matrix2d = DOMMatrixReadOnly.fromFloat64Array(float64Array);
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, 4);
assert_equals(matrix2d.f, 5);
}, "DOMMatrixReadOnly fromFloat64Array - 2D matrix");
test(() => {
var float32Array = new Float32Array([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]);
var matrix3d = DOMMatrixReadOnly.fromFloat32Array(float32Array);
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);
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);
}, "DOMMatrixReadOnly fromFloat32Array - 3D matrix");
test(() => {
// 10.1 and 16.6 are not representable as a 32-bit float
var float64Array = new Float64Array([1, 2, 3, 4, 5, 6, 7, 8, 9, 10.1, 11, 12, 13, 14, 15, 16.6]);
var matrix3d = DOMMatrixReadOnly.fromFloat64Array(float64Array);
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);
}, "DOMMatrixReadOnly fromFloat64Array - 3D matrix");
test(() => {
var matrix2d = new DOMMatrixReadOnly([1, 2, 3, 3.1, 2, 1]);
assert_true(matrix2d.is2D);
assert_equals(matrix2d.toString(), "matrix(1, 2, 3, 3.1, 2, 1)");
}, "DOMMatrixReadOnly toString() - 2D matrix");
test(() => {
var matrix3d = new DOMMatrixReadOnly([1, 2, 3, 4, 5, 6, 7, 8, 9, 10.1, 11, 12, 13, 14, 15, 16.6]);
assert_false(matrix3d.is2D);
assert_equals(matrix3d.toString(), "matrix3d(1, 2, 3, 4, 5, 6, 7, 8, 9, 10.1, 11, 12, 13, 14, 15, 16.6)");
}, "DOMMatrixReadOnly toString() - 3D matrix");
test(() => {
assert_throws(new TypeError(), () => { new DOMMatrixReadOnly(1, 2, 3, 4, 5, 6); },
"DOMMatrixReadOnly constructor only accepts 1 argument");
assert_throws(new TypeError(), () => { new DOMMatrixReadOnly("myString"); },
"DOMMatrixReadOnly constructor only accepts 1 number sequence");
assert_throws(new TypeError(), () => { new DOMMatrixReadOnly([1, 2, 3]); },
"DOMMatrixReadOnly constructor only accepts 1 number sequence with 6 or 16 elements.");
}, "DOMMatrixReadOnly constructor - invalid arguments");
test(() => {
assert_throws(new TypeError(), () => { DOMMatrixReadOnly.fromFloat32Array(new Float32Array([1, 2, 3, 4, 5])); },
"fromFloat32Array function only accepts 1 Float32Array with 6 or 16 elements.");
assert_throws(new TypeError(), () => { DOMMatrixReadOnly.fromFloat64Array(new Float64Array([1, 2, 3, 4, 5])); },
"fromFloat64Array function only accepts 1 Float64Array with 6 or 16 elements.");
assert_throws(new TypeError(), () => { DOMMatrixReadOnly.fromFloat32Array(new Float32Array([1, 2, 3, 4, 5, 6 ,7])); },
"fromFloat32Array function only accepts 1 Float32Array with 6 or 16 elements.");
assert_throws(new TypeError(), () => { DOMMatrixReadOnly.fromFloat64Array(new Float64Array([1, 2, 3, 4, 5, 6 ,7])); },
"fromFloat64Array function only accepts 1 Float64Array with 6 or 16 elements.");
}, "DOMMatrixReadOnly fromFloat*Array - invalid array size of nearby 6");
test(() => {
assert_throws(new TypeError(), () => { DOMMatrixReadOnly.fromFloat32Array(new Float32Array([1, 2, 3, 4, 5, 6 ,7, 8, 9, 10, 11, 12, 13, 14, 15])); },
"fromFloat32Array function only accepts 1 Float32Array with 6 or 16 elements.");
assert_throws(new TypeError(), () => { DOMMatrixReadOnly.fromFloat64Array(new Float64Array([1, 2, 3, 4, 5, 6 ,7, 8, 9, 10, 11, 12, 13, 14, 15])); },
"fromFloat64Array function only accepts 1 Float64Array with 6 or 16 elements.");
assert_throws(new TypeError(), () => { DOMMatrixReadOnly.fromFloat32Array(new Float32Array([1, 2, 3, 4, 5, 6 ,7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17])); },
"fromFloat32Array function only accepts 1 Float32Array with 6 or 16 elements.");
assert_throws(new TypeError(), () => { DOMMatrixReadOnly.fromFloat64Array(new Float64Array([1, 2, 3, 4, 5, 6 ,7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17])); },
"fromFloat64Array function only accepts 1 Float64Array with 6 or 16 elements.");
}, "DOMMatrixReadOnly fromFloat*Array - invalid array size of nearby 16");
test(() => {
assert_throws(new TypeError(), () => { DOMMatrixReadOnly.fromFloat32Array(new Float32Array([])); },
"fromFloat32Array function only accepts 1 Float32Array with 6 or 16 elements.");
assert_throws(new TypeError(), () => { DOMMatrixReadOnly.fromFloat64Array(new Float64Array([])); },
"fromFloat64Array function only accepts 1 Float64Array with 6 or 16 elements.");
assert_throws(new TypeError(), () => { DOMMatrixReadOnly.fromFloat32Array(new Float32Array([1])); },
"fromFloat32Array function only accepts 1 Float32Array with 6 or 16 elements.");
assert_throws(new TypeError(), () => { DOMMatrixReadOnly.fromFloat64Array(new Float64Array([1])); },
"fromFloat64Array function only accepts 1 Float64Array with 6 or 16 elements.");
assert_throws(new TypeError(), () => { DOMMatrixReadOnly.fromFloat32Array(new Float32Array(65536)); },
"fromFloat32Array function only accepts 1 Float32Array with 6 or 16 elements.");
assert_throws(new TypeError(), () => { DOMMatrixReadOnly.fromFloat64Array(new Float64Array(65536)); },
"fromFloat64Array function only accepts 1 Float64Array with 6 or 16 elements.");
}, "DOMMatrixReadOnly fromFloat*Array - invalid array size");
test(() => {
var matrix = DOMMatrixReadOnly.fromMatrix();
assert_identity_2d_matrix(matrix);
}, "DOMMatrixReadOnly.fromMatrix() with no parameter.");
test(() => {
var matrix = DOMMatrixReadOnly.fromMatrix(null);
assert_identity_2d_matrix(matrix);
}, "DOMMatrixReadOnly.fromMatrix() with null.");
test(() => {
var matrix = DOMMatrixReadOnly.fromMatrix(undefined);
assert_identity_2d_matrix(matrix);
}, "DOMMatrixReadOnly.fromMatrix() with undefined.");
test(() => {
var matrix = DOMMatrixReadOnly.fromMatrix({});
assert_identity_2d_matrix(matrix);
}, "DOMMatrixReadOnly.fromMatrix() with empty object.");
test(() => {
var matrix = DOMMatrixReadOnly.fromMatrix({a: 1, b: 2, c: 3, d: 4, e: 5, f: 6});
assert_2d_matrix_equals(matrix, {
m11: 1, m12: 2,
m21: 3, m22: 4,
m41: 5, m42: 6,
isIdentity: false
});
}, "DOMMatrixReadOnly.fromMatrix({a: 1, b: 2, c: 3, d: 4, e: 5, f: 6}) should create a 2D DOMMatrixReadOnly.");
test(() => {
var matrix = DOMMatrixReadOnly.fromMatrix({m11: 1, m22: 2, m33: 3, m44: 4, m23: 5, m43: 6});
assert_3d_matrix_equals(matrix, {
m11: 1, m12: 0, m13: 0, m14: 0,
m21: 0, m22: 2, m23: 5, m24: 0,
m31: 0, m32: 0, m33: 3, m34: 0,
m41: 0, m42: 0, m43: 6, m44: 4,
isIdentity: false
});
}, "DOMMatrixReadOnly.fromMatrix({m11: 1, m22: 2, m33: 3, m44: 4, m23: 5, m43: 6}) should create a 3D DOMMatrixReadOnly.");
test(() => {
var matrix = DOMMatrixReadOnly.fromMatrix({a: 7, c: 9});
assert_2d_matrix_equals(matrix, {
m11: 7, m12: 0,
m21: 9, m22: 1,
m41: 0, m42: 0,
isIdentity: false
});
}, "If 2d related properties don't be set, should set to fallback.");
test(() => {
var matrix = DOMMatrixReadOnly.fromMatrix({
m11: NaN, m12: NaN, m13: NaN, m14: NaN,
m21: NaN, m22: NaN, m23: NaN, m24: NaN,
m31: NaN, m32: NaN, m33: NaN, m34: NaN,
m41: NaN, m42: NaN, m43: NaN, m44: NaN,
is2D: false
});
assert_equals(matrix.a, matrix.m11);
assert_equals(matrix.b, matrix.m12);
assert_equals(matrix.c, matrix.m21);
assert_equals(matrix.d, matrix.m22);
assert_equals(matrix.e, matrix.m41);
assert_equals(matrix.f, matrix.m42);
assert_3d_matrix_equals(matrix, {
m11: NaN, m12: NaN, m13: NaN, m14: NaN,
m21: NaN, m22: NaN, m23: NaN, m24: NaN,
m31: NaN, m32: NaN, m33: NaN, m34: NaN,
m41: NaN, m42: NaN, m43: NaN, m44: NaN,
isIdentity: false, is2D: false
});
}, "DOMMatrixReadOnly.fromMatrix(): NaN test");
test(() => {
assert_throws(new TypeError(), () => {
DOMMatrixReadOnly.fromMatrix({a: 1, b: 2, m33: 3, m44: 4, is2D: true});
}, "The 'is2D' property is set to true but the input matrix is 3d matrix.");
assert_throws(new TypeError(), () => {
DOMMatrixReadOnly.fromMatrix({a: 1, b: 2, m11: 3});
}, "The 'a' property should equal the 'm11' property.");
}, "DOMMatrixReadOnly.fromMatrix(): Exception test.");
</script>
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