1 files changed, 40 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_pause_exceptions-02.js b/devtools/server/tests/xpcshell/test_pause_exceptions-02.js
new file mode 100644
index 0000000000..00631b071f
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_pause_exceptions-02.js
@@ -0,0 +1,40 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Test that setting pauseOnExceptions to true when the debugger isn't in a
+ * paused state will not cause the debuggee to pause when an exception is thrown.
+ */
+
+add_task(
+  threadFrontTest(async ({ threadFront, debuggee, commands }) => {
+    await commands.threadConfigurationCommand.updateConfiguration({
+      pauseOnExceptions: true,
+      ignoreCaughtExceptions: false,
+    });
+
+    const packet = await executeOnNextTickAndWaitForPause(
+      () => evaluateTestCode(debuggee),
+      threadFront
+    );
+
+    Assert.equal(packet.why.type, "exception");
+    Assert.equal(packet.why.exception, 42);
+    await threadFront.resume();
+  })
+);
+
+function evaluateTestCode(debuggee) {
+  /* eslint-disable no-throw-literal */
+  // prettier-ignore
+  debuggee.eval("(" + function () {    // 1
+    function stopMe() {                // 2
+      throw 42;                        // 3
+    }                                  // 4
+    try {                              // 5
+      stopMe();                        // 6
+    } catch (e) {}                     // 7
+  } + ")()");
+}