mirror of
https://github.com/mozilla-firefox/firefox
synced 2026-08-12 12:35:33 +00:00
André Bargull
4d0b01f5d7
WebIDL integration for immutable array buffers isn't yet defined, so for now disallow immutable array buffers and views to immutable array buffers. See also <https://github.com/tc39/proposal-immutable-arraybuffer/issues/43>. Differential Revision: https://phabricator.services.mozilla.com/D249412
71 lines
2.9 KiB
HTML
71 lines
2.9 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1952253
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for immutable ArrayBufferViews</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1952253">Mozilla Bug 1952253</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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</pre>
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<script type="application/javascript">
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/* global TestFunctions */
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function checkThrowsImmutable(f) {
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let ex;
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try{
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f();
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ok(false, "Should have thrown!");
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} catch (e) {
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ex = e;
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}
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ok(ex.toString().includes("immutable ArrayBuffer or ArrayBufferView"), "Got exception: " + ex);
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}
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add_task(async function test_immutable_arraybuffer_views() {
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await SpecialPowers.pushPrefEnv({set: [["dom.expose_test_interfaces", true]]});
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let test = new TestFunctions();
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let ab = new ArrayBuffer(16).transferToImmutable();
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checkThrowsImmutable(() => test.testNotAllowShared(ab));
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checkThrowsImmutable(() => test.testAllowShared(ab));
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checkThrowsImmutable(() => test.testDictWithAllowShared({arrayBuffer: ab}));
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checkThrowsImmutable(() => test.testUnionOfBufferSource(ab));
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checkThrowsImmutable(() => { test.arrayBuffer = ab; });
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checkThrowsImmutable(() => { test.allowSharedArrayBuffer = ab; });
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checkThrowsImmutable(() => { test.sequenceOfArrayBuffer = [ab]; });
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checkThrowsImmutable(() => { test.sequenceOfAllowSharedArrayBuffer = [ab]; });
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let ta = new Int8Array(ab);
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checkThrowsImmutable(() => test.testNotAllowShared(ta));
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checkThrowsImmutable(() => test.testAllowShared(ta));
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checkThrowsImmutable(() => test.testDictWithAllowShared({arrayBufferView: ta}));
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checkThrowsImmutable(() => test.testUnionOfBufferSource(ta));
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checkThrowsImmutable(() => { test.arrayBufferView = ta; });
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checkThrowsImmutable(() => { test.allowSharedArrayBufferView = ta; });
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checkThrowsImmutable(() => { test.sequenceOfArrayBufferView = [ta]; });
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checkThrowsImmutable(() => { test.sequenceOfAllowSharedArrayBufferView = [ta]; });
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let dv = new DataView(ab);
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checkThrowsImmutable(() => test.testNotAllowShared(dv));
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checkThrowsImmutable(() => test.testAllowShared(dv));
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checkThrowsImmutable(() => test.testDictWithAllowShared({arrayBufferView: dv}));
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checkThrowsImmutable(() => test.testUnionOfBufferSource(dv));
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checkThrowsImmutable(() => { test.arrayBufferView = dv; });
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checkThrowsImmutable(() => { test.allowSharedArrayBufferView = dv; });
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checkThrowsImmutable(() => { test.sequenceOfArrayBufferView = [dv]; });
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checkThrowsImmutable(() => { test.sequenceOfAllowSharedArrayBufferView = [dv]; });
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});
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</script>
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</body>
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</html>
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