commit d73872d2afcd77a88d1665e946f0a6f05cc3a79d
parent 41132b91b93cd40956038a41a2ba77054a98a3e0
Author: longsonr <longsonr@gmail.com>
Date: Thu, 2 Oct 2025 11:03:23 +0000
Bug 1992005 - Test SVGMatrix interface r=emilio
Differential Revision: https://phabricator.services.mozilla.com/D267080
Diffstat:
1 file changed, 43 insertions(+), 0 deletions(-)
diff --git a/testing/web-platform/tests/svg/types/scripted/SVGMatrix-tentative.html b/testing/web-platform/tests/svg/types/scripted/SVGMatrix-tentative.html
@@ -0,0 +1,43 @@
+<!DOCTYPE HTML>
+<title>SVGMatrix interface</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+
+function assert_matrix_approx_equals(actual, expected, epsilon) {
+ assert_approx_equals(actual.a, expected.a, epsilon);
+ assert_approx_equals(actual.b, expected.b, epsilon);
+ assert_approx_equals(actual.c, expected.c, epsilon);
+ assert_approx_equals(actual.d, expected.d, epsilon);
+ assert_approx_equals(actual.e, expected.e, epsilon);
+ assert_approx_equals(actual.f, expected.f, epsilon);
+}
+
+function create_svg_matrix() {
+ let svgElement = document.createElementNS("http://www.w3.org/2000/svg", "svg");
+ // In SVG 1.1 this would return an SVGMatrix.
+ // In SVG 2 SVGMatrix is replaced by DOMMatrix.
+ return svgElement.createSVGMatrix();
+}
+
+test(function() {
+ let matrix = create_svg_matrix();
+
+ // Check initial matrix values.
+ assert_matrix_approx_equals(matrix, {a:1, b:0, c:0, d:1, e:0, f:0}, 0);
+
+ matrix.d = 2;
+
+ // Check setting valid arguments.
+ assert_matrix_approx_equals(matrix, {a:1, b:0, c:0, d:2, e:0, f:0}, 0);
+}, "setting value");
+
+test(function() {
+ let matrix = create_svg_matrix();
+
+ // DOMMatrix allows multiplication by DOMMatrixInit
+ matrix = matrix.multiply({a: 3, d: 2});
+
+ assert_matrix_approx_equals(matrix, {a:3, b:0, c:0, d:2, e:0, f:0}, 0);
+}, "multiply");
+</script>
