1 files changed, 46 insertions, 0 deletions
diff --git a/browser/devtools/webaudioeditor/test/browser_wa_properties-view-params-objects.js b/browser/devtools/webaudioeditor/test/browser_wa_properties-view-params-objects.js
new file mode 100644
index 000000000..61fe5398e
--- /dev/null
+++ b/browser/devtools/webaudioeditor/test/browser_wa_properties-view-params-objects.js
@@ -0,0 +1,46 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests that params view correctly displays non-primitive properties
+ * like AudioBuffer and Float32Array in properties of AudioNodes.
+ */
+
+add_task(function*() {
+  let { target, panel } = yield initWebAudioEditor(BUFFER_AND_ARRAY_URL);
+  let { panelWin } = panel;
+  let { gFront, $, $$, EVENTS, PropertiesView } = panelWin;
+  let gVars = PropertiesView._propsView;
+
+  let started = once(gFront, "start-context");
+
+  reload(target);
+
+  let [actors] = yield Promise.all([
+    getN(gFront, "create-node", 3),
+    waitForGraphRendered(panelWin, 3, 2)
+  ]);
+  let nodeIds = actors.map(actor => actor.actorID);
+
+  click(panelWin, findGraphNode(panelWin, nodeIds[2]));
+  yield waitForInspectorRender(panelWin, EVENTS);
+  checkVariableView(gVars, 0, {
+    "curve": "Float32Array"
+  }, "WaveShaper's `curve` is listed as an `Float32Array`.");
+
+  let aVar = gVars.getScopeAtIndex(0).get("curve")
+  let state = aVar.target.querySelector(".theme-twisty").hasAttribute("invisible");
+  ok(state, "Float32Array property should not have a dropdown.");
+
+  click(panelWin, findGraphNode(panelWin, nodeIds[1]));
+  yield waitForInspectorRender(panelWin, EVENTS);
+  checkVariableView(gVars, 0, {
+    "buffer": "AudioBuffer"
+  }, "AudioBufferSourceNode's `buffer` is listed as an `AudioBuffer`.");
+
+  aVar = gVars.getScopeAtIndex(0).get("buffer")
+  state = aVar.target.querySelector(".theme-twisty").hasAttribute("invisible");
+  ok(state, "AudioBuffer property should not have a dropdown.");
+
+  yield teardown(target);
+});