diff options
Diffstat (limited to 'dom/svg/test/tearoff_with_cc_helper.html')
| -rw-r--r-- | dom/svg/test/tearoff_with_cc_helper.html | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/dom/svg/test/tearoff_with_cc_helper.html b/dom/svg/test/tearoff_with_cc_helper.html new file mode 100644 index 000000000..6d63e939f --- /dev/null +++ b/dom/svg/test/tearoff_with_cc_helper.html @@ -0,0 +1,36 @@ +<!DOCTYPE html> +<html> +<body onload="go()"> + <svg id="outerSvg" width="50%" height="50%" + style="border: 1px solid black"> + </svg> + <script type="application/javascript"> + /* I'm not sure what exactly was required to trigger bug 1288228's crash, + * but it involved tweaking a length's specified units and cycle-collecting + * and reloading (in some combination). So, we'll tweak the units and + * cycle-collect a few times, and message the outer page to reload us + * after we've made the first tweak. + */ + const maxTweaks = 5; + let remainingTweaks = maxTweaks; + + var savedBaseVal = document.getElementById("outerSvg").width.baseVal; + function go() { + window.parent.SpecialPowers.DOMWindowUtils.cycleCollect(); + tweak(); + } + + function tweak() { + console.log("tweaked"); + savedBaseVal.convertToSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PX); + savedBaseVal.convertToSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PERCENTAGE); + if (remainingTweaks == maxTweaks) { + window.parent.postMessage("ping", "*"); // only do this on first tweak + } + if (--remainingTweaks) { + setTimeout(tweak, 0); + } + } +</script> +</body> +</html> |