1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/tests/mochitest/whatwg/postMessage_structured_clone_helper.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,106 @@
1.4 +<!DOCTYPE html>
1.5 +<html>
1.6 +<head>
1.7 + <title>postMessage structured clone page</title>
1.8 + <script type="application/javascript;version=1.7"
1.9 + src="postMessage_structured_clone_helper.js"></script>
1.10 + <script type="application/javascript;version=1.7">
1.11 + var generator = new getTestContent()
1.12 +
1.13 + function isClone(a, b) {
1.14 + window.dump("Object a: " + a + "\n");
1.15 + window.dump("Object b: " + b + "\n");
1.16 + var stack = [[a, b]];
1.17 + var memory = new WeakMap();
1.18 + var rmemory = new WeakMap();
1.19 +
1.20 + while (stack.length > 0) {
1.21 + var pair = stack.pop();
1.22 + var x = pair[0], y = pair[1];
1.23 + if (typeof x !== "object" || x === null) {
1.24 + // x is primitive.
1.25 + if (x !== y) {
1.26 + window.dump("Primitives not equal!\n");
1.27 + return false;
1.28 + }
1.29 + } else if (x instanceof Date) {
1.30 + if (x.getTime() == y.getTime())
1.31 + return true;
1.32 + window.dump("Dates not equal!\n");
1.33 + return false;
1.34 + } else if (memory.has(x)) {
1.35 + // x is an object we have seen before in a.
1.36 + if (y !== memory.get(x)) {
1.37 + window.dump("Already seen!?\n");
1.38 + return false;
1.39 + }
1.40 + if (!(rmemory.get(y) == x)) {
1.41 + window.dump("Not equal??\n");
1.42 + return false;
1.43 + }
1.44 + } else {
1.45 + // x is an object we have not seen before.
1.46 + // Check that we have not seen y before either.
1.47 + if (rmemory.has(y)) {
1.48 + // If we have seen y before, the only possible outcome
1.49 + // is that x and y are literally the same object.
1.50 + if (y == x)
1.51 + continue;
1.52 + window.dump("Already seen y!?\n");
1.53 + window.dump(y.toString() + "\n");
1.54 + return false;
1.55 + }
1.56 +
1.57 + // x and y must be of the same [[Class]].
1.58 + var xcls = Object.prototype.toString.call(x);
1.59 + var ycls = Object.prototype.toString.call(y);
1.60 + if (xcls !== ycls) {
1.61 + window.dump("Failing on proto\n");
1.62 + return false;
1.63 + }
1.64 +
1.65 + // This function is only designed to check Objects and Arrays.
1.66 + if (!(xcls === "[object Object]" || xcls === "[object Array]")) {
1.67 + window.dump("Not an object!\n");
1.68 + window.dump(xcls + "\n");
1.69 + return false;
1.70 + }
1.71 +
1.72 + // Compare objects.
1.73 + var xk = Object.keys(x), yk = Object.keys(y);
1.74 + if (xk.length !== yk.length) {
1.75 + window.dump("Length mismatch!\n");
1.76 + return false;
1.77 + }
1.78 + for (var i = 0; i < xk.length; i++) {
1.79 + // We must see the same property names in the same order.
1.80 + if (xk[i] !== yk[i]) {
1.81 + window.dump("wrong order\n");
1.82 + return false;
1.83 + }
1.84 +
1.85 + // Put the property values on the stack to compare later.
1.86 + stack.push([x[xk[i]], y[yk[i]]]);
1.87 + }
1.88 +
1.89 + // Record that we have seen this pair of objects.
1.90 + memory.set(x, y);
1.91 + rmemory.set(y, x);
1.92 + }
1.93 + }
1.94 + return true;
1.95 + }
1.96 +
1.97 + function receiveMessage(evt)
1.98 + {
1.99 + if (isClone(evt.data, generator.next()))
1.100 + window.parent.postMessage("TEST-PASS", "*");
1.101 + else
1.102 + window.parent.postMessage("TEST-FAIL", "*");
1.103 + }
1.104 + window.addEventListener("message", receiveMessage, false);
1.105 + </script>
1.106 +</head>
1.107 +<body>
1.108 +</body>
1.109 +</html>
