45 lines
1.1 KiB
HTML
45 lines
1.1 KiB
HTML
<p>This page tests whether an exception thrown from an eval inside a closure
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prematurely tears off the closure's activation.
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</p>
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<p>If the test passes, you'll see a PASS message below.
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</p>
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<pre id="console"></pre>
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<script>
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function log(s)
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{
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document.getElementById("console").appendChild(document.createTextNode(s + "\n"));
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}
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function shouldBe(aDescription, a, b)
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{
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if (a === b) {
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log("PASS: " + aDescription + " should be " + b + " and is.");
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} else {
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log("FAIL: " + aDescription + " should be " + b + " but instead is " + a + ".");
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}
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}
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if (window.testRunner)
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testRunner.dumpAsText();
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// Create a function with an activation.
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(function () {
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var x = 1;
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// Throw an exception inside an eval that requires a full scope chain.
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try {
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eval("(function () { throw 'exception'; })()");
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} catch(e) {
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}
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// Set "x" by resolving through the activation.
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(function () {
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x = 2;
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})();
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// Test the local register for "x", which should have been set to 2 above.
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shouldBe("x", x, 2);
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}());
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</script>
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