59 lines
1.8 KiB
HTML
59 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<meta charset=utf-8>
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<title>Test for 814497</title>
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<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<div id="log"></div>
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<script>
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var c = Cc;
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SimpleTest.waitForExplicitFinish();
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SimpleTest.expectUncaughtException();
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// /!\ Line number is important in this test,
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// we are asserting the following functions line #
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function failingStack() {
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nestedFunction();
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}
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function nestedFunction() {
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// eslint-disable-next-line no-undef
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doesntExistsAndThrow();
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}
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var TestObserver = {
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QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
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observe: function test_observe(aSubject)
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{
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if (!(aSubject instanceof Ci.nsIScriptError)) {
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return;
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}
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dump("stack: "+aSubject.stack+"\n");
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// Main assertions
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var s = aSubject.stack;
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ok(!!s, "has first frame");
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ok(s.source.includes("test_nsScriptErrorWithStack.html"), "source is correct");
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is(s.line, 19, "line is correct");
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is(s.column, 5, "column is correct");
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is(s.functionDisplayName, "nestedFunction");
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s = s.parent;
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ok(!!s, "has second frame");
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ok(s.source.includes("test_nsScriptErrorWithStack.html"), "source is correct");
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is(s.line, 15, "line is correct");
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is(s.column, 5, "column is correct");
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is(s.functionDisplayName, "failingStack");
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// We shouldn't have any more frame as we used setTimeout
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ok(!s.parent, "has no more frames");
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// Cleanup
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Services.console.unregisterListener(TestObserver);
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SimpleTest.finish();
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}
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};
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Services.console.registerListener(TestObserver);
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// use setTimeout in order to prevent throwing from test frame
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// and so have a clean stack frame with just our method calls
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setTimeout(failingStack, 0);
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</script>
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