131 lines
5.5 KiB
HTML
131 lines
5.5 KiB
HTML
<?xml version="1.0"?>
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<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
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<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
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type="text/css"?>
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<window title="Mozilla Bug ????" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
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<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<!-- test results are displayed in the html:body -->
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<body xmlns="http://www.w3.org/1999/xhtml">
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<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=>?????" target="_blank">Mozilla Bug ???? </a>
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</body>
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<!-- test code goes here -->
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<script type="application/javascript"><![CDATA[
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/* eslint-disable no-eval */
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add_task(async () => {
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var sandbox = new Cu.Sandbox("about:blank");
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await SpecialPowers.pushPrefEnv({
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"set": [["security.allow_eval_with_system_principal",
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true]]
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});
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function getCOW(x) {
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if (typeof x != 'object' && typeof x != 'function')
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return x;
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x = Cu.waiveXrays(x);
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var rval = {};
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if (typeof x == "function")
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rval = eval(`(${x.toString()})`);
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for (var i in x) {
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if (x.__lookupGetter__(i))
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rval.__defineGetter__(i, eval(`(${x.__lookupGetter__(i).toString()})`))
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else
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rval[i] = getCOW(x[i]);
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}
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return rval;
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}
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// Give the sandbox a way to create ChromeObjectWrapped objects.
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sandbox.getCOW = getCOW;
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// Define test API functions in the sandbox.
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const TEST_API = ['is', 'ok', 'info'];
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TEST_API.forEach(function (name) { sandbox[name] = window[name]; });
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function COWTests() {
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var empty = {};
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var cow = getCOW(empty);
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// Because private fields may not be enabled, we construct A via the below eval of an IFFE,
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// and return early if it syntax errors.
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var A;
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try {
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A = eval(`(function(){
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class Base {
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constructor(o) {
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return o;
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}
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};
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class A extends Base {
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#x = 12;
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static gx(o) {
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return o.#x;
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}
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static sx(o, v) {
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o.#x = v;
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}
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};
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return A;
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})();`);
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} catch (e) {
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is(e instanceof SyntaxError, true, "Syntax error: Private fields not enabled");
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is(/private fields are not currently supported/.test(e.message), true, "correct message");
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return;
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}
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new A(empty);
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is(A.gx(empty), 12, "Correct value read");
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A.sx(empty, 'wrapped');
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function assertThrewInstance(f, error) {
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var threw = true;
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try {
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f();
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threw = false;
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} catch (e) {
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is(e instanceof error, true, "Correct Error");
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}
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is(threw, true, "Threw!");
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}
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// Note: These throw warnings:
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//
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// WARNING: Silently denied access to property ##x: Access to privileged JS object not permitted (@chrome://mochitests/content/chrome/js/xpconnect/tests/chrome/test_private_field_cows.xhtml:108:27): file /js/xpconnect/wrappers/XrayWrapper.cpp, line 226
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//
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// It's not clear to me if we ougth to wire this up to -not-? I suspect this is a result of invoking
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// the has
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assertThrewInstance(() => A.gx(cow), TypeError);
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assertThrewInstance(() => A.sx(cow, 'unwrapped'), TypeError);
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assertThrewInstance(() => new A(cow), Error);
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assertThrewInstance(() => A.gx(cow), TypeError);
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}
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// Stringify the COW test suite and directly evaluate it in the sandbox.
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Cu.evalInSandbox('(' + COWTests.toString() + ')()', sandbox);
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// Test that COWed objects passing from content to chrome get unwrapped.
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function returnCOW() {
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return getCOW({
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bar: 6
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});
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}
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// eslint-disable-next-line no-unused-vars
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var unwrapped = Cu.evalInSandbox(
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'(' + returnCOW.toString() + ')()',
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sandbox
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);
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ok(true, "passed");
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});
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]]></script>
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</window>
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