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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1688616
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for large ArrayBuffers and views</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1688616">Mozilla Bug 1688616</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+</pre>
+ <script type="application/javascript">
+ /* global TestFunctions */
+
+ SimpleTest.waitForExplicitFinish();
+ SpecialPowers.pushPrefEnv({set: [["dom.expose_test_interfaces", true]]}, go);
+
+ function checkThrowsTooLarge(f) {
+ let ex;
+ try{
+ f();
+ ok(false, "Should have thrown!");
+ } catch (e) {
+ ex = e;
+ }
+ ok(ex.toString().includes("larger than 2 GB"), "Got exception: " + ex);
+ }
+
+ function go() {
+ let test = new TestFunctions();
+
+ const gb = 1 * 1024 * 1024 * 1024;
+ let ab = new ArrayBuffer(5 * gb);
+ checkThrowsTooLarge(() => test.testNotAllowShared(ab));
+ checkThrowsTooLarge(() => test.testAllowShared(ab));
+ checkThrowsTooLarge(() => test.testDictWithAllowShared({arrayBuffer: ab}));
+ checkThrowsTooLarge(() => test.testUnionOfBuffferSource(ab));
+ checkThrowsTooLarge(() => { test.arrayBuffer = ab; });
+ checkThrowsTooLarge(() => { test.allowSharedArrayBuffer = ab; });
+ checkThrowsTooLarge(() => { test.sequenceOfArrayBuffer = [ab]; });
+ checkThrowsTooLarge(() => { test.sequenceOfAllowSharedArrayBuffer = [ab]; });
+
+ let ta = new Int8Array(ab, 0, 3 * gb);
+ checkThrowsTooLarge(() => test.testNotAllowShared(ta));
+ checkThrowsTooLarge(() => test.testAllowShared(ta));
+ checkThrowsTooLarge(() => test.testDictWithAllowShared({arrayBufferView: ta}));
+ checkThrowsTooLarge(() => test.testUnionOfBuffferSource(ta));
+ checkThrowsTooLarge(() => { test.arrayBufferView = ta; });
+ checkThrowsTooLarge(() => { test.allowSharedArrayBufferView = ta; });
+ checkThrowsTooLarge(() => { test.sequenceOfArrayBufferView = [ta]; });
+ checkThrowsTooLarge(() => { test.sequenceOfAllowSharedArrayBufferView = [ta]; });
+
+ let dv = new DataView(ab);
+ checkThrowsTooLarge(() => test.testNotAllowShared(dv));
+ checkThrowsTooLarge(() => test.testAllowShared(dv));
+ checkThrowsTooLarge(() => test.testDictWithAllowShared({arrayBufferView: dv}));
+ checkThrowsTooLarge(() => test.testUnionOfBuffferSource(dv));
+ checkThrowsTooLarge(() => { test.arrayBufferView = dv; });
+ checkThrowsTooLarge(() => { test.allowSharedArrayBufferView = dv; });
+ checkThrowsTooLarge(() => { test.sequenceOfArrayBufferView = [dv]; });
+ checkThrowsTooLarge(() => { test.sequenceOfAllowSharedArrayBufferView = [dv]; });
+
+ if (this.SharedArrayBuffer) {
+ let sab = new SharedArrayBuffer(5 * gb);
+ checkThrowsTooLarge(() => test.testAllowShared(sab));
+ checkThrowsTooLarge(() => test.testDictWithAllowShared({allowSharedArrayBuffer: sab}));
+ checkThrowsTooLarge(() => test.testUnionOfAllowSharedBuffferSource(sab));
+ checkThrowsTooLarge(() => { test.allowSharedArrayBuffer = sab; });
+ checkThrowsTooLarge(() => { test.sequenceOfAllowSharedArrayBuffer = [sab]; });
+
+ let sta = new Int8Array(sab);
+ checkThrowsTooLarge(() => test.testAllowShared(sta));
+ checkThrowsTooLarge(() => test.testDictWithAllowShared({allowSharedArrayBufferView: sta}));
+ checkThrowsTooLarge(() => test.testUnionOfAllowSharedBuffferSource(sta));
+ checkThrowsTooLarge(() => { test.allowSharedArrayBufferView = sta; });
+ checkThrowsTooLarge(() => { test.sequenceOfAllowSharedArrayBufferView = [sta]; });
+ }
+
+ // Small views on large buffers are fine.
+ let ta2 = new Int8Array(ab, 4 * gb);
+ is(ta2.byteLength, 1 * gb, "Small view on large ArrayBuffer");
+ test.testNotAllowShared(ta2);
+ test.arrayBufferView = ta2;
+
+ SimpleTest.finish();
+ }
+ </script>
+</body>
+</html>