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Diffstat (limited to 'dom/tests/mochitest/webcomponents/test_custom_element_clone_callbacks.html')
-rw-r--r-- | dom/tests/mochitest/webcomponents/test_custom_element_clone_callbacks.html | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/dom/tests/mochitest/webcomponents/test_custom_element_clone_callbacks.html b/dom/tests/mochitest/webcomponents/test_custom_element_clone_callbacks.html new file mode 100644 index 000000000..eea9bafe0 --- /dev/null +++ b/dom/tests/mochitest/webcomponents/test_custom_element_clone_callbacks.html @@ -0,0 +1,54 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=1081039 +--> +<head> + <title>Test callbacks for cloned custom elements.</title> + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1081039">Bug 1081039</a> +<script> + +SimpleTest.waitForExplicitFinish(); + +// Test to make sure created callback is called on clones that are upgraded and clones +// created after registering the custom element. + +var callbackCalledOnUpgrade = false; +var callbackCalledOnClone = false; + +var foo = document.createElement("x-foo"); +var fooClone = foo.cloneNode(true); + +var p = Object.create(HTMLElement.prototype); +p.createdCallback = function() { + is(this.__proto__, p, "Correct prototype should be set on custom elements."); + + if (this == fooClone) { + // Callback called for the element created before registering the custom element. + // Should be called on element upgrade. + is(callbackCalledOnUpgrade, false, "Upgrade should only be called once per clone."); + callbackCalledOnUpgrade = true; + } else if (this != foo) { + // Callback called for the element created after registering the custom element. + is(callbackCalledOnClone, false, "Upgrade should only be called once per clone."); + callbackCalledOnClone = true; + } + + if (callbackCalledOnUpgrade && callbackCalledOnClone) { + SimpleTest.finish(); + } +}; + +document.registerElement("x-foo", { prototype: p }); + +var anotherFooClone = foo.cloneNode(true); + +SimpleTest.waitForExplicitFinish(); + +</script> +</body> +</html> |