93 lines
2.9 KiB
HTML
93 lines
2.9 KiB
HTML
<!DOCTYPE html>
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<html>
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<!--
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Repeated reload an iframe. When iframe's script is loaded from the bytecode
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cache, dynamic module import should still resolve modules based on the
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script's URL.
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-->
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<head>
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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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<script>
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const iframeId = "test_iframe";
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var checkResult = null;
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async function startTest() {
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SimpleTest.waitForExplicitFinish();
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// Setting dom.expose_test_interfaces pref causes the
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// nsScriptLoadRequest to fire event on script tags, with information
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// about its internal state. The ScriptLoader source send events to
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// trace these and resolve a promise with the path taken by the
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// script loader.
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//
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// Setting dom.script_loader.bytecode_cache.strategy to -1 causes the
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// nsScriptLoadRequest to force all the conditions necessary to make a
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// script be saved as bytecode in the alternate data storage provided
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// by the channel (necko cache).
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await SpecialPowers.pushPrefEnv({
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set: [
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['dom.script_loader.bytecode_cache.enabled', true],
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['dom.expose_test_interfaces', true],
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["dom.script_loader.bytecode_cache.strategy", -1]
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]});
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for (let i = 0; i < 3; i++) {
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let iframe = document.getElementById(iframeId);
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if (iframe) {
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document.body.removeChild(iframe);
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}
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iframe = document.createElement("iframe");
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document.body.appendChild(iframe);
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iframe.id = iframeId;
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let iwin = iframe.contentWindow;
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let eventPromise = new Promise(resolve => {
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// Both regular script and imported module scripts are encoded/decoded
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// Wait for 2 encode/load events to be fired.
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let count = 0;
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if (i == 0) {
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iwin.addEventListener("scriptloader_bytecode_saved", event => {
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count++;
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ok(true, "Bytecode encoding succeeded");
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if (count == 2) {
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resolve();
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}
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});
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} else {
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iwin.addEventListener("scriptloader_load_bytecode", event => {
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count++;
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ok(true, "Script loaded from bytecode");
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if (count == 2) {
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resolve();
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}
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});
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}
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iwin.addEventListener("scriptloader_bytecode_failed", () => {
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ok(false, "Bytecode encoding failed");
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SimpleTest.finish();
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});
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});
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let resultPromise = new Promise(resolve => {
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checkResult = resolve;
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});
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iframe.src = "bug1656248_frame.html";
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let [_, result] = await Promise.all([eventPromise, resultPromise]);
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is(result, 42, `Module was loaded successfully (${i})`);
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}
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SimpleTest.finish();
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}
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</script>
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</head>
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<body onload="startTest()"></body>
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