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Diffstat (limited to '')
| -rw-r--r-- | layout/reftests/bugs/334829-1b-shadow.xhtml | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/layout/reftests/bugs/334829-1b-shadow.xhtml b/layout/reftests/bugs/334829-1b-shadow.xhtml new file mode 100644 index 0000000000..46f1114023 --- /dev/null +++ b/layout/reftests/bugs/334829-1b-shadow.xhtml @@ -0,0 +1,35 @@ +<html xmlns="http://www.w3.org/1999/xhtml"> +<head> + <script type="application/x-javascript"> + customElements.define("custom-element", class extends HTMLElement { + constructor() { + super(); + const template = document.getElementById("template"); + const shadowRoot = this.attachShadow({mode: "open"}) + .appendChild(template.content.cloneNode(true)); + } + }); + function runTest() { + var div = document.getElementById("testDiv"); + + // First we have to make sure that we've looked up the primary frame for + // the previous child span. Appending text to it should do the trick. + div.firstChild. + appendChild(document.createTextNode("This is text in a div ")); + + // Now flush out reflow + document.body.offsetWidth; + + var node = document.createElementNS("http://www.w3.org/1999/xhtml", + "span"); + div.appendChild(node); + node.appendChild(document.createTextNode("This text should appear")); + } + </script> +</head> + +<body onload="runTest()"> +<template id="binding"><span><slot/></span></template> +<custom-element id="testDiv" style="width: 0; display: block;"><span></span></custom-element> +</body> +</html> |