Karl Dubost
155ea38acc
Automatic update from web-platform-tests WebKit export of https://bugs.webkit.org/show_bug.cgi?id=318044 (#60985) -- wpt-commits: 02453451e40ac14c80849d1c50316a39725ccd60 wpt-pr: 60985
41 lines
1.7 KiB
HTML
41 lines
1.7 KiB
HTML
<!DOCTYPE html>
|
|
<meta charset="utf-8">
|
|
<title>SVGSVGElement.currentTranslate is [SameObject]</title>
|
|
<link rel="help" href="https://w3c.github.io/svgwg/svg2-draft/struct.html#__svg__SVGSVGElement__currentTranslate">
|
|
<link rel="help" href="https://webidl.spec.whatwg.org/#SameObject">
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<svg id="svg" xmlns="http://www.w3.org/2000/svg" width="100" height="100"></svg>
|
|
<script>
|
|
const svg = document.getElementById("svg");
|
|
|
|
test(() => {
|
|
assert_equals(svg.currentTranslate, svg.currentTranslate);
|
|
}, "currentTranslate returns the same object on consecutive reads ([SameObject])");
|
|
|
|
test(() => {
|
|
const p = svg.currentTranslate;
|
|
p.x = 10;
|
|
assert_equals(svg.currentTranslate, p, "same object after mutating x");
|
|
}, "currentTranslate identity is stable across value changes");
|
|
|
|
test(() => {
|
|
svg.currentTranslate.x = 42;
|
|
assert_equals(svg.currentTranslate.x, 42);
|
|
}, "mutations through currentTranslate are observable on re-read");
|
|
|
|
test(() => {
|
|
svg.currentTranslate.x = 7;
|
|
svg.currentTranslate.y = 9;
|
|
const replacement = svg.createSVGPoint();
|
|
replacement.x = 100;
|
|
replacement.y = 200;
|
|
// Assignment to a readonly attribute is ignored (silently in non-strict mode).
|
|
// Asserted on the value, not object identity, so this isolates readonly from
|
|
// [SameObject]: an engine that fails identity still passes this if it honors readonly.
|
|
try { svg.currentTranslate = replacement; } catch (e) {}
|
|
assert_equals(svg.currentTranslate.x, 7, "x value unchanged");
|
|
assert_equals(svg.currentTranslate.y, 9, "y value unchanged");
|
|
}, "currentTranslate is readonly; assignment does not change the value");
|
|
</script>
|