1 files changed, 76 insertions, 0 deletions
diff --git a/ipc/glue/test/browser/browser_utility_audio_shutdown.js b/ipc/glue/test/browser/browser_utility_audio_shutdown.js
new file mode 100644
index 0000000000..31811cfd55
--- /dev/null
+++ b/ipc/glue/test/browser/browser_utility_audio_shutdown.js
@@ -0,0 +1,76 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// The purpose of that test is to reproduce edge case behaviors that one can
+// have while running whole ipc/glue/test/browser/ suite but that could this
+// way be intermittent and hard to diagnose. By having such a test we make sure
+// it is cleanly reproduced and wont regress somewhat silently.
+
+"use strict";
+
+async function runTest(src, process, decoder) {
+  info(`Add media tabs: ${src}`);
+  let tab = await addMediaTab(src);
+
+  info("Play tab");
+  await play(tab, process, decoder);
+
+  info("Stop tab");
+  await stop(tab);
+
+  info("Remove tab");
+  await BrowserTestUtils.removeTab(tab);
+}
+
+async function findGenericAudioDecoder() {
+  const audioDecoders = (await ChromeUtils.requestProcInfo()).children.filter(
+    p => {
+      return (
+        p.type === "utility" &&
+        p.utilityActors.find(a => a.actorName === "audioDecoder_Generic")
+      );
+    }
+  );
+  ok(audioDecoders.length === 1, "Only one audio decoder present");
+  return audioDecoders[0].pid;
+}
+
+add_setup(async function setup() {
+  await SpecialPowers.pushPrefEnv({
+    set: [["media.utility-process.enabled", true]],
+  });
+});
+
+add_task(async function testKill() {
+  await runTest("small-shot.ogg", "Utility Generic", "vorbis audio decoder");
+
+  await cleanUtilityProcessShutdown(
+    "audioDecoder_Generic",
+    true /* preferKill */
+  );
+
+  info("Waiting 15s to trigger mShutdownBlockers assertions");
+  await new Promise((resolve, reject) => {
+    /* eslint-disable mozilla/no-arbitrary-setTimeout */
+    setTimeout(resolve, 15 * 1000);
+  });
+
+  ok(true, "Waited 15s to trigger mShutdownBlockers assertions: over");
+});
+
+add_task(async function testShutdown() {
+  await runTest("small-shot.ogg", "Utility Generic", "vorbis audio decoder");
+
+  const audioDecoderPid = await findGenericAudioDecoder();
+  ok(audioDecoderPid > 0, `Valid PID found: ${audioDecoderPid}`);
+
+  await cleanUtilityProcessShutdown("audioDecoder_Generic");
+
+  info("Waiting 15s to trigger mShutdownBlockers assertions");
+  await new Promise((resolve, reject) => {
+    /* eslint-disable mozilla/no-arbitrary-setTimeout */
+    setTimeout(resolve, 15 * 1000);
+  });
+
+  ok(true, "Waited 15s to trigger mShutdownBlockers assertions: over");
+});