1 files changed, 48 insertions, 0 deletions
diff --git a/devtools/client/shared/test/browser_cubic-bezier-05.js b/devtools/client/shared/test/browser_cubic-bezier-05.js
new file mode 100644
index 000000000..b9cdab294
--- /dev/null
+++ b/devtools/client/shared/test/browser_cubic-bezier-05.js
@@ -0,0 +1,48 @@
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests that the CubicBezierPresetWidget cycles menus
+
+const {CubicBezierPresetWidget} =
+  require("devtools/client/shared/widgets/CubicBezierWidget");
+const {PREDEFINED, PRESETS, DEFAULT_PRESET_CATEGORY} =
+  require("devtools/client/shared/widgets/CubicBezierPresets");
+
+const TEST_URI = `data:text/html,<div id="cubic-bezier-container" />`;
+
+add_task(function* () {
+  let [host,, doc] = yield createHost("bottom", TEST_URI);
+
+  let container = doc.querySelector("#cubic-bezier-container");
+  let w = new CubicBezierPresetWidget(container);
+
+  info("Checking that preset is selected if coordinates are known");
+
+  w.refreshMenu([0, 0, 0, 0]);
+  is(w.activeCategory, container.querySelector(`#${DEFAULT_PRESET_CATEGORY}`),
+    "The default category is selected");
+  is(w._activePreset, null, "There is no selected category");
+
+  w.refreshMenu(PREDEFINED.linear);
+  is(w.activeCategory, container.querySelector("#ease-in-out"),
+     "The ease-in-out category is active");
+  is(w._activePreset, container.querySelector("#ease-in-out-linear"),
+     "The ease-in-out-linear preset is active");
+
+  w.refreshMenu(PRESETS["ease-out"]["ease-out-sine"]);
+  is(w.activeCategory, container.querySelector("#ease-out"),
+     "The ease-out category is active");
+  is(w._activePreset, container.querySelector("#ease-out-sine"),
+     "The ease-out-sine preset is active");
+
+  w.refreshMenu([0, 0, 0, 0]);
+  is(w.activeCategory, container.querySelector("#ease-out"),
+     "The ease-out category is still active");
+  is(w._activePreset, null, "No preset is active");
+
+  w.destroy();
+  host.destroy();
+});