summaryrefslogtreecommitdiffstats
path: root/dom/ipc/tests/test_Preallocated.html
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--dom/ipc/tests/test_Preallocated.html51
1 files changed, 51 insertions, 0 deletions
diff --git a/dom/ipc/tests/test_Preallocated.html b/dom/ipc/tests/test_Preallocated.html
new file mode 100644
index 0000000000..fb719995f5
--- /dev/null
+++ b/dom/ipc/tests/test_Preallocated.html
@@ -0,0 +1,51 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+Test that the preallocated process starts up.
+-->
+<head>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="application/javascript" src="../browserElementTestHelpers.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+
+<script type="application/javascript">
+"use strict";
+
+SimpleTest.waitForExplicitFinish();
+
+function expectProcessCreated() {
+ /* eslint-env mozilla/chrome-script */
+ return new Promise(resolve => {
+ function parentExpectProcessCreated() {
+ let topic = "ipc:content-initializing";
+ let obs = { observe() {
+ Services.obs.removeObserver(obs, topic);
+ sendAsyncMessage("process-created");
+ }};
+ Services.obs.addObserver(obs, topic);
+ }
+
+ let helper = SpecialPowers.loadChromeScript(parentExpectProcessCreated);
+ SimpleTest.registerCleanupFunction(function() { helper.destroy(); });
+ helper.addMessageListener("process-created", resolve);
+ });
+}
+
+expectProcessCreated().then(() => {
+ ok(true, "Process creation detected.");
+ SimpleTest.finish();
+});
+
+// Kill existing preallocated process.
+SpecialPowers.pushPrefEnv({"set": [["dom.ipc.processPrelaunch.enabled", false]]}).then(() => {
+ // Make sure we have the capacity to launch preallocated process.
+ SpecialPowers.pushPrefEnv({"set": [["dom.ipc.processCount", 100]]}).then(() => {
+ // Enable preallocated process and run the test.
+ SpecialPowers.pushPrefEnv({"set": [["dom.ipc.processPrelaunch.enabled", true]]});
+ });
+});
+</script>
+</body>
+</html>