import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/client/scratchpad/test/browser_scratchpad_autocomplete.js

@@ -0,0 +1,66 @@
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+/* Bug 968896 */
+
+// Test the completions using numbers.
+const source = "0x1.";
+const completions = ["toExponential", "toFixed", "toString"];
+const { Task } = require("devtools/shared/task");
+
+function test() {
+  const options = { tabContent: "test scratchpad autocomplete" };
+  openTabAndScratchpad(options)
+    .then(Task.async(runTests))
+    .then(finish, console.error);
+}
+
+
+function* runTests([win, sp]) {
+  const {editor} = sp;
+  const editorWin = editor.container.contentWindow;
+
+  // Show the completions popup.
+  sp.setText(source);
+  sp.editor.setCursor({ line: 0, ch: source.length });
+  yield keyOnce("suggestion-entered", " ", { ctrlKey: true });
+
+  // Get the hints popup container.
+  const hints = editorWin.document.querySelector(".CodeMirror-hints");
+
+  ok(hints,
+     "The hint container should exist.");
+  is(hints.childNodes.length, 3,
+     "The hint container should have the completions.");
+
+  let i = 0;
+  for (let completion of completions) {
+    let active = hints.querySelector(".CodeMirror-hint-active");
+    is(active.textContent, completion,
+       "Check that completion " + i++ + " is what is expected.");
+    yield keyOnce("suggestion-entered", "VK_DOWN");
+  }
+
+  // We should have looped around to the first suggestion again. Accept it.
+  yield keyOnce("after-suggest", "VK_RETURN");
+
+  is(sp.getText(), source + completions[0],
+     "Autocompletion should work and select the right element.");
+
+  // Check that the information tooltips work.
+  sp.setText("5");
+  yield keyOnce("show-information", " ", { ctrlKey: true, shiftKey: true });
+
+  // Get the information container.
+  const info = editorWin.document.querySelector(".CodeMirror-Tern-information");
+  ok(info,
+     "Info tooltip should appear.");
+  is(info.textContent.slice(0, 6), "number",
+     "Info tooltip should have expected contents.");
+
+  function keyOnce(event, key, opts = {}) {
+    const p = editor.once(event);
+    EventUtils.synthesizeKey(key, opts, editorWin);
+    return p;
+  }
+}