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+<!DOCTYPE HTML>
+<html>
+<head>
+ <meta charset="utf-8">
+ <title>Test Lazy DocumentL10n in HTML environment</title>
+ <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
+ <script type="application/javascript">
+ "use strict";
+ SimpleTest.waitForExplicitFinish();
+
+ is(document.l10n, null, "document.l10n is null.");
+
+ window.addEventListener("load", async () => {
+ is(document.l10n, null, "document.l10n is null after load.");
+
+ let desc = document.getElementById("main-desc");
+ is(desc.textContent.length, 0, "main-desc is not translated");
+
+ let link = document.createElement("link");
+ link.setAttribute("rel", "localization");
+ link.setAttribute("href", "crashreporter/aboutcrashes.ftl");
+ document.head.appendChild(link);
+
+ // Verify now that `l10n.ready` exists and is fulfilled.
+ await document.l10n.ready;
+
+ // Lazy initialized localization should translate the document.
+ is(!!desc.textContent.length, true, "main-desc is translated");
+
+ document.head.removeChild(link);
+
+ is(document.l10n, null, "document.l10n is null");
+
+ SimpleTest.finish();
+ }, { once: true});
+ </script>
+</head>
+<body>
+ <h1 id="main-desc" data-l10n-id="crash-reports-title"></h1>
+
+ <p id="label1"></p>
+</body>
+</html>