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-rw-r--r--devtools/server/tests/xpcshell/test_nesting-03.js50
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diff --git a/devtools/server/tests/xpcshell/test_nesting-03.js b/devtools/server/tests/xpcshell/test_nesting-03.js
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+++ b/devtools/server/tests/xpcshell/test_nesting-03.js
@@ -0,0 +1,50 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test that we can detect nested event loops in tabs with the same URL.
+
+add_task(async function () {
+ const GLOBAL_NAME = "test-nesting1";
+
+ initTestDevToolsServer();
+ addTestGlobal(GLOBAL_NAME);
+ addTestGlobal(GLOBAL_NAME);
+
+ // Connect two thread actors, debugging the same debuggee, and both being paused.
+ const firstClient = new DevToolsClient(DevToolsServer.connectPipe());
+ await firstClient.connect();
+ const { threadFront: firstThreadFront } = await attachTestThread(
+ firstClient,
+ GLOBAL_NAME
+ );
+ await firstThreadFront.interrupt();
+
+ const secondClient = new DevToolsClient(DevToolsServer.connectPipe());
+ await secondClient.connect();
+ const { threadFront: secondThreadFront } = await attachTestThread(
+ secondClient,
+ GLOBAL_NAME
+ );
+ await secondThreadFront.interrupt();
+
+ // Then check how concurrent resume work
+ let result;
+ try {
+ result = await firstThreadFront.resume();
+ } catch (e) {
+ Assert.ok(e.includes("wrongOrder"), "rejects with the wrong order");
+ }
+ Assert.ok(!result, "no response");
+
+ result = await secondThreadFront.resume();
+ Assert.ok(true, "resumed as expected");
+
+ await firstThreadFront.resume();
+
+ Assert.ok(true, "resumed as expected");
+ await firstClient.close();
+
+ await finishClient(secondClient);
+});