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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/tests/mochitest/whatwg/postMessage_structured_clone_helper.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/tests/mochitest/whatwg/postMessage_structured_clone_helper.html')
| -rw-r--r-- | dom/tests/mochitest/whatwg/postMessage_structured_clone_helper.html | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/dom/tests/mochitest/whatwg/postMessage_structured_clone_helper.html b/dom/tests/mochitest/whatwg/postMessage_structured_clone_helper.html new file mode 100644 index 0000000000..2b6e9d1f46 --- /dev/null +++ b/dom/tests/mochitest/whatwg/postMessage_structured_clone_helper.html @@ -0,0 +1,106 @@ +<!DOCTYPE html> +<html> +<head> + <title>postMessage structured clone page</title> + <script type="application/javascript" + src="postMessage_structured_clone_helper.js"></script> + <script type="application/javascript"> + var generator = getTestContent() + + function isClone(a, b) { + window.dump("Object a: " + a + "\n"); + window.dump("Object b: " + b + "\n"); + var stack = [[a, b]]; + var memory = new WeakMap(); + var rmemory = new WeakMap(); + + while (stack.length) { + var pair = stack.pop(); + var x = pair[0], y = pair[1]; + if (typeof x !== "object" || x === null) { + // x is primitive. + if (x !== y) { + window.dump("Primitives not equal!\n"); + return false; + } + } else if (x instanceof Date) { + if (x.getTime() == y.getTime()) + return true; + window.dump("Dates not equal!\n"); + return false; + } else if (memory.has(x)) { + // x is an object we have seen before in a. + if (y !== memory.get(x)) { + window.dump("Already seen!?\n"); + return false; + } + if (!(rmemory.get(y) == x)) { + window.dump("Not equal??\n"); + return false; + } + } else { + // x is an object we have not seen before. + // Check that we have not seen y before either. + if (rmemory.has(y)) { + // If we have seen y before, the only possible outcome + // is that x and y are literally the same object. + if (y == x) + continue; + window.dump("Already seen y!?\n"); + window.dump(y.toString() + "\n"); + return false; + } + + // x and y must be of the same [[Class]]. + var xcls = Object.prototype.toString.call(x); + var ycls = Object.prototype.toString.call(y); + if (xcls !== ycls) { + window.dump("Failing on proto\n"); + return false; + } + + // This function is only designed to check Objects and Arrays. + if (!(xcls === "[object Object]" || xcls === "[object Array]")) { + window.dump("Not an object!\n"); + window.dump(xcls + "\n"); + return false; + } + + // Compare objects. + var xk = Object.keys(x), yk = Object.keys(y); + if (xk.length !== yk.length) { + window.dump("Length mismatch!\n"); + return false; + } + for (var i = 0; i < xk.length; i++) { + // We must see the same property names in the same order. + if (xk[i] !== yk[i]) { + window.dump("wrong order\n"); + return false; + } + + // Put the property values on the stack to compare later. + stack.push([x[xk[i]], y[yk[i]]]); + } + + // Record that we have seen this pair of objects. + memory.set(x, y); + rmemory.set(y, x); + } + } + return true; + } + + function receiveMessage(evt) + { + if (isClone(evt.data, generator.next().value)) + window.parent.postMessage("TEST-PASS", "*"); + else + window.parent.postMessage("TEST-FAIL", "*"); + } + window.addEventListener("message", receiveMessage); + </script> +</head> +<body> +</body> +</html> |