import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/client/webconsole/test/browser_webconsole_for_of.js

@@ -0,0 +1,32 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// A for-of loop in Web Console code can loop over a content NodeList.
+
+"use strict";
+
+const TEST_URI = "http://example.com/browser/devtools/client/webconsole/" +
+                 "test/test-for-of.html";
+
+add_task(function* () {
+  yield loadTab(TEST_URI);
+
+  let hud = yield openConsole();
+  yield testForOf(hud);
+});
+
+function testForOf(hud) {
+  let deferred = promise.defer();
+
+  let jsterm = hud.jsterm;
+  jsterm.execute("{ let _nodes = []; for (let x of document.body.childNodes) { if (x.nodeType === 1) { _nodes.push(x.tagName); } } _nodes.join(' '); }",
+    (node) => {
+      ok(/H1 DIV H2 P/.test(node.textContent),
+        "for-of loop should find all top-level nodes");
+      deferred.resolve();
+    });
+
+  return deferred.promise;
+}