diff options
Diffstat (limited to 'layout/svg/tests/test_use_tree_cycle.html')
| -rw-r--r-- | layout/svg/tests/test_use_tree_cycle.html | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/layout/svg/tests/test_use_tree_cycle.html b/layout/svg/tests/test_use_tree_cycle.html new file mode 100644 index 0000000000..e820f0f2a2 --- /dev/null +++ b/layout/svg/tests/test_use_tree_cycle.html @@ -0,0 +1,37 @@ +<!doctype html> +<title>Test for bug 1531333</title> +<script src="/tests/SimpleTest/SimpleTest.js"></script> +<link rel="stylesheet" href="/tests/SimpleTest/test.css"> +<style> + symbol { display: block } +</style> +<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="10" height="10"> + <symbol id="svg-sprite" viewBox="0 0 133 230866"> + <title>svg-sprite</title> + <symbol id="svg-sprite" viewBox="0 0 133 230866"> + <title>svg-sprite</title> + <use xlink:href="#svg-sprite" width="500" height="500" /> + </symbol> + <use xlink:href="#svg-sprite" y="1601" width="133" height="228958" /> + </symbol> + <use xlink:href="#svg-sprite" y="1601" width="133" height="230866" /> +</svg> +<script> +function countUseElements(subtreeRoot) { + if (!subtreeRoot) + return 0; + + let i = 0; + for (const use of subtreeRoot.querySelectorAll("use")) + i += 1 + countUseElements(SpecialPowers.wrap(use).openOrClosedShadowRoot); + return i; +} +SimpleTest.waitForExplicitFinish(); +onload = function() { + document.body.offsetTop; + // The three in the document, plus the two created from the element that's + // not in the <symbol> subtree. + is(countUseElements(document), 5, "Shouldn't create more than 5 use elements"); + SimpleTest.finish(); +} +</script> |