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<!DOCTYPE html>
<html>
<head>
<title>Geometry Interfaces: DOMMatrixReadOnly methods do not mutate the object</title>
<link href="mailto:peter.hall@algomi.com" rel="author" title="Peter Hall">
<link rel="help" href="https://drafts.fxtf.org/geometry-1/#DOMMatrix">
<script src="support/dommatrix-test-util.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<p>Test DOMMatrixReadOnly methods do not mutate the object</p>
<div id="log"></div>
<script>
function initialMatrix(){
return DOMMatrixReadOnly.fromMatrix(
{
m11:1, m12:-0.5, m13: 0.5, m14:0,
m21:0.5, m22:2, m23: -0.5, m24:0,
m31:0, m32:0, m33: 1, m34:0,
m41:0, m42:0, m43: 0, m44:1,
is2D: false
}
);
}
test(function() {
var matrix = initialMatrix();
matrix.translate(1,5,3);
checkMatrix(matrix, initialMatrix());
},"test translate() doesn't mutate");
test(function() {
var matrix = initialMatrix();
matrix.scale(1,5,3,0,1,3);
checkMatrix(matrix, initialMatrix());
},"test scale() doesn't mutate");
test(function() {
var matrix = initialMatrix();
matrix.scaleNonUniform(1,5);
checkMatrix(matrix, initialMatrix());
},"test scaleNonUniform() doesn't mutate");
test(function() {
var matrix = initialMatrix();
matrix.scale3d(3,2,1,1);
checkMatrix(matrix, initialMatrix());
},"test scale3d() doesn't mutate");
test(function() {
var matrix = initialMatrix();
matrix.rotate(Math.PI, Math.PI/2, Math.PI/6);
checkMatrix(matrix, initialMatrix());
},"test rotate() doesn't mutate");
test(function() {
var matrix = initialMatrix();
matrix.rotateFromVector(10,-4);
checkMatrix(matrix, initialMatrix());
},"test rotateFromVector() doesn't mutate");
test(function() {
var matrix = initialMatrix();
matrix.rotateAxisAngle(3,4,5, Math.PI/6);
checkMatrix(matrix, initialMatrix());
},"test rotateAxisAngle() doesn't mutate");
test(function() {
var matrix = initialMatrix();
matrix.skewX(20);
checkMatrix(matrix, initialMatrix());
},"test skewX() doesn't mutate");
test(function() {
var matrix = initialMatrix();
matrix.skewY(20);
checkMatrix(matrix, initialMatrix());
},"test skewY() doesn't mutate");
test(function() {
var matrix = initialMatrix();
matrix.multiply({ m11:1, m12:2, m13: 0, m14:0,
m21:-1, m22:2, m23: -1, m24:0,
m31:0, m32:0, m33: 1, m34:0,
m41:5, m42:0, m43: 2, m44:1,
is2D: false,
isIdentity:false });
checkMatrix(matrix, initialMatrix());
},"test multiply() doesn't mutate");
test(function() {
var matrix = initialMatrix();
matrix.flipX();
checkMatrix(matrix, initialMatrix());
},"test flipX() doesn't mutate");
test(function() {
var matrix = initialMatrix();
matrix.flipY();
checkMatrix(matrix, initialMatrix());
},"test flipY() doesn't mutate");
test(function() {
var matrix = initialMatrix();
matrix.inverse();
checkMatrix(matrix, initialMatrix());
},"test inverse() doesn't mutate");
</script>
</body>
</html>
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