зеркало из https://github.com/mozilla/gecko-dev.git
Bug 830716 - Show class-name of object that failed to be cloned. r=smaug
This has one small wrinkle that I might fix in the future: DOM classes that are proxies like window show up as "Proxy". Differential Revision: https://phabricator.services.mozilla.com/D152566
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@ -500,7 +500,11 @@ bool StructuredCloneHolder::WriteFullySerializableObjects(
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}
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// Don't know what this is
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xpc::Throw(aCx, NS_ERROR_DOM_DATA_CLONE_ERR);
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ErrorResult rv;
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const char* className = JS::GetClass(obj)->name;
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rv.ThrowDataCloneError(nsDependentCString(className) +
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" object could not be cloned."_ns);
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MOZ_ALWAYS_TRUE(rv.MaybeSetPendingException(aCx));
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return false;
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}
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@ -897,6 +897,7 @@ skip-if = debug == false
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[test_shared_compartment1.html]
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[test_shared_compartment2.html]
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[test_structuredclone_backref.html]
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[test_structuredclone_error.html]
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[test_style_cssText.html]
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[test_suppressed_events_and_scrolling.html]
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support-files =
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@ -0,0 +1,23 @@
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<!DOCTYPE HTML>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" href="/tests/SimpleTest/test.css">
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=XXX">Mozilla Bug XXX</a>
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<script>
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const tests = [
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{obj: (() => {}), msg: "Function object could not be cloned."},
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{obj: document.body, msg: "HTMLBodyElement object could not be cloned."},
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{obj: {foo: new Audio()}, msg: "HTMLAudioElement object could not be cloned."},
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]
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for (const test of tests) {
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let message = undefined;
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try {
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structuredClone(test.obj);
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} catch (e) {
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message = e.message;
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}
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is(message, test.msg, 'Threw correct DataCloneError');
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}
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</script>
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@ -54,7 +54,7 @@ add_task(async function test_unhandled_dom_exception() {
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equal(msg.lineNumber, 2, "Got expected line number");
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equal(
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msg.errorMessage,
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"DataCloneError: The object could not be cloned.",
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"DataCloneError: Function object could not be cloned.",
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"Got expected error message"
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);
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});
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@ -31,8 +31,8 @@ add_task(async function test_sendMessage_error() {
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],
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// Structured cloning doesn't work with DOM objects
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[[null, location, null], "The object could not be cloned."],
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[[null, [circ, location], null], "The object could not be cloned."],
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[[null, location, null], "Location object could not be cloned."],
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[[null, [circ, location], null], "Location object could not be cloned."],
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];
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// Repeat all tests with the undefined value instead of null.
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