diff -r 000000000000 -r 6474c204b198 browser/devtools/webaudioeditor/test/browser_audionode-actor-get-params.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/webaudioeditor/test/browser_audionode-actor-get-params.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,51 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Test AudioNode#getParams()
+ */
+
+function spawnTest () {
+  let [target, debuggee, front] = yield initBackend(SIMPLE_NODES_URL);
+  let [_, nodes] = yield Promise.all([
+    front.setup({ reload: true }),
+    getN(front, "create-node", 14)
+  ]);
+
+  let allNodeParams = yield Promise.all(nodes.map(node => node.getParams()));
+  let nodeTypes = [
+    "AudioDestinationNode",
+    "AudioBufferSourceNode", "ScriptProcessorNode", "AnalyserNode", "GainNode",
+    "DelayNode", "BiquadFilterNode", "WaveShaperNode", "PannerNode", "ConvolverNode",
+    "ChannelSplitterNode", "ChannelMergerNode", "DynamicsCompressorNode", "OscillatorNode"
+  ];
+
+  nodeTypes.forEach((type, i) => {
+    let params = allNodeParams[i];
+    params.forEach(({param, value, flags}) => {
+      ok(~NODE_PROPERTIES[type].indexOf(param), "expected parameter for " + type);
+
+      // Skip over some properties that are undefined by default
+      if (!/buffer|loop|smoothing|curve|cone/.test(param)) {
+        ok(value != undefined, param + " is not undefined");
+      }
+
+      ok(typeof flags === "object", type + " has a flags object");
+
+      if (param === "buffer") {
+        is(flags.Buffer, true, "`buffer` params have Buffer flag");
+      }
+      else if (param === "bufferSize" || param === "frequencyBinCount") {
+        is(flags.readonly, true, param + " is readonly");
+      }
+      else if (param === "curve") {
+        is(flags["Float32Array"], true, "`curve` param has Float32Array flag");
+      } else {
+        is(Object.keys(flags), 0, type + "-" + param + " has no flags set")
+      }
+    });
+  });
+
+  yield removeTab(target.tab);
+  finish();
+}