1 files changed, 114 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser_webconsole_cached_autocomplete.js b/devtools/client/webconsole/test/browser_webconsole_cached_autocomplete.js
new file mode 100644
index 000000000..fd5c4d29a
--- /dev/null
+++ b/devtools/client/webconsole/test/browser_webconsole_cached_autocomplete.js
@@ -0,0 +1,114 @@
+/* -*- 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/ */
+
+// Tests that the cached autocomplete results are used when the new
+// user input is a subset of the existing completion results.
+
+"use strict";
+
+const TEST_URI = "data:text/html;charset=utf8,<p>test cached autocompletion " +
+                 "results";
+
+var jsterm;
+
+add_task(function* () {
+  yield loadTab(TEST_URI);
+
+  let hud = yield openConsole();
+
+  jsterm = hud.jsterm;
+  let input = jsterm.inputNode;
+  let popup = jsterm.autocompletePopup;
+
+  // Test if 'doc' gives 'document'
+  input.value = "doc";
+  input.setSelectionRange(3, 3);
+  yield complete(jsterm.COMPLETE_HINT_ONLY);
+
+  is(input.value, "doc", "'docu' completion (input.value)");
+  is(jsterm.completeNode.value, "   ument", "'docu' completion (completeNode)");
+
+  // Test typing 'window.'.
+  input.value = "window.";
+  input.setSelectionRange(7, 7);
+  yield complete(jsterm.COMPLETE_HINT_ONLY);
+
+  ok(popup.getItems().length > 0, "'window.' gave a list of suggestions");
+
+  yield jsterm.execute("window.docfoobar = true");
+
+  // Test typing 'window.doc'.
+  input.value = "window.doc";
+  input.setSelectionRange(10, 10);
+  yield complete(jsterm.COMPLETE_HINT_ONLY);
+
+  let newItems = popup.getItems();
+  ok(newItems.every(function (item) {
+    return item.label != "docfoobar";
+  }), "autocomplete cached results do not contain docfoobar. list has not " +
+      "been updated");
+
+  // Test that backspace does not cause a request to the server
+  input.value = "window.do";
+  input.setSelectionRange(9, 9);
+  yield complete(jsterm.COMPLETE_HINT_ONLY);
+
+  newItems = popup.getItems();
+  ok(newItems.every(function (item) {
+    return item.label != "docfoobar";
+  }), "autocomplete cached results do not contain docfoobar. list has not " +
+      "been updated");
+
+  yield jsterm.execute("delete window.docfoobar");
+
+  // Test if 'window.getC' gives 'getComputedStyle'
+  input.value = "window.";
+  input.setSelectionRange(7, 7);
+  yield complete(jsterm.COMPLETE_HINT_ONLY);
+
+  input.value = "window.getC";
+  input.setSelectionRange(11, 11);
+  yield complete(jsterm.COMPLETE_HINT_ONLY);
+
+  newItems = popup.getItems();
+  ok(!newItems.every(function (item) {
+    return item.label != "getComputedStyle";
+  }), "autocomplete results do contain getComputedStyle");
+
+  // Test if 'dump(d' gives non-zero results
+  input.value = "dump(d";
+  input.setSelectionRange(6, 6);
+  yield complete(jsterm.COMPLETE_HINT_ONLY);
+
+  ok(popup.getItems().length > 0, "'dump(d' gives non-zero results");
+
+  // Test that 'dump(window.)' works.
+  input.value = "dump(window.)";
+  input.setSelectionRange(12, 12);
+  yield complete(jsterm.COMPLETE_HINT_ONLY);
+
+  yield jsterm.execute("window.docfoobar = true");
+
+  // Make sure 'dump(window.doc)' does not contain 'docfoobar'.
+  input.value = "dump(window.doc)";
+  input.setSelectionRange(15, 15);
+  yield complete(jsterm.COMPLETE_HINT_ONLY);
+
+  newItems = popup.getItems();
+  ok(newItems.every(function (item) {
+    return item.label != "docfoobar";
+  }), "autocomplete cached results do not contain docfoobar. list has not " +
+      "been updated");
+
+  yield jsterm.execute("delete window.docfoobar");
+
+  jsterm = null;
+});
+
+function complete(type) {
+  let updated = jsterm.once("autocomplete-updated");
+  jsterm.complete(type);
+  return updated;
+}