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Consolidated echo window/worker into resources/ directory
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86 changes: 86 additions & 0 deletions
86
...ure/safe-passing-of-structured-data/structured-cloning-error-stack-optional.sub.window.js
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Original file line number | Diff line number | Diff line change |
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// .stack properties on errors are unspecified, but are present in most | ||
// browsers, most of the time. https://github.com/tc39/proposal-error-stacks/ tracks standardizing them. | ||
// Tests will pass automatically if the .stack property isn't present. | ||
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stackTests(() => { | ||
return new Error('some message'); | ||
}, 'page-created Error'); | ||
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stackTests(() => { | ||
return new DOMException('InvalidStateError', 'some message'); | ||
}, 'page-created DOMException'); | ||
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stackTests(() => { | ||
try { | ||
Object.defineProperty(); | ||
} catch (e) { | ||
return e; | ||
} | ||
}, 'JS-engine-created TypeError'); | ||
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stackTests(() => { | ||
try { | ||
HTMLParagraphElement.prototype.align; | ||
} catch (e) { | ||
return e; | ||
} | ||
}, 'web API-created TypeError'); | ||
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stackTests(() => { | ||
try { | ||
document.createElement(''); | ||
} catch (e) { | ||
return e; | ||
} | ||
}, 'web API-created DOMException'); | ||
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function stackTests(errorFactory, description) { | ||
async_test(t => { | ||
const error = errorFactory(); | ||
const originalStack = error.stack; | ||
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if (!originalStack) { | ||
t.done(); | ||
return; | ||
} | ||
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const worker = new Worker('resources/echo-worker.js'); | ||
worker.onmessage = t.step_func_done(e => { | ||
assert_equals(e.data.stack, originalStack); | ||
}); | ||
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worker.postMessage(error); | ||
}, description + ' (worker)'); | ||
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// testId needed because they all share window's message event. | ||
let testId = 0; | ||
async_test(t => { | ||
const thisTestId = testId; | ||
++testId; | ||
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const error = errorFactory(); | ||
const originalStack = error.stack; | ||
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if (!originalStack) { | ||
t.done(); | ||
return; | ||
} | ||
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const iframe = document.createElement('iframe'); | ||
window.addEventListener('message', t.step_func(e => { | ||
if (e.data.testId === thisTestId) { | ||
assert_equals(e.data.error.stack, originalStack); | ||
t.done(); | ||
} | ||
})); | ||
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iframe.onload = t.step_func(() => { | ||
iframe.contentWindow.postMessage({ error, testId: thisTestId }, "*"); | ||
}); | ||
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const crossSiteEchoIFrame = new URL('resources/echo-iframe.html', location.href); | ||
crossSiteEchoIFrame.hostname = '{{hosts[alt][www1]}}'; | ||
iframe.src = crossSiteEchoIFrame; | ||
document.body.append(iframe); | ||
}, description + ' (cross-site iframe)'); | ||
} |
51 changes: 0 additions & 51 deletions
51
...ructure/safe-passing-of-structured-data/structured-cloning-error-stack-optional.window.js
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