1 files changed, 48 insertions, 0 deletions
diff --git a/devtools/client/webaudioeditor/test/browser_wa_graph-render-02.js b/devtools/client/webaudioeditor/test/browser_wa_graph-render-02.js
new file mode 100644
index 000000000..00a63c6b2
--- /dev/null
+++ b/devtools/client/webaudioeditor/test/browser_wa_graph-render-02.js
@@ -0,0 +1,48 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests more edge rendering for complex graphs.
+ */
+
+add_task(function* () {
+  let { target, panel } = yield initWebAudioEditor(COMPLEX_CONTEXT_URL);
+  let { panelWin } = panel;
+  let { gFront, $, $$ } = panelWin;
+
+  let started = once(gFront, "start-context");
+
+  let events = Promise.all([
+    getN(gFront, "create-node", 8),
+    waitForGraphRendered(panelWin, 8, 8)
+  ]);
+  reload(target);
+  let [actors] = yield events;
+  let nodeIDs = actors.map(actor => actor.actorID);
+
+  let types = ["AudioDestinationNode", "OscillatorNode", "GainNode", "ScriptProcessorNode",
+               "OscillatorNode", "GainNode", "AudioBufferSourceNode", "BiquadFilterNode"];
+
+
+  types.forEach((type, i) => {
+    ok(findGraphNode(panelWin, nodeIDs[i]).classList.contains("type-" + type), "found " + type + " with class");
+  });
+
+  let edges = [
+    [1, 2, "osc1 -> gain1"],
+    [1, 3, "osc1 -> proc"],
+    [2, 0, "gain1 -> dest"],
+    [4, 5, "osc2 -> gain2"],
+    [5, 0, "gain2 -> dest"],
+    [6, 7, "buf -> filter"],
+    [4, 7, "osc2 -> filter"],
+    [7, 0, "filter -> dest"],
+  ];
+
+  edges.forEach(([source, target, msg], i) => {
+    is(findGraphEdge(panelWin, nodeIDs[source], nodeIDs[target]).toString(), "[object SVGGElement]",
+      "found edge for " + msg);
+  });
+
+  yield teardown(target);
+});