1 files changed, 30 insertions, 0 deletions
diff --git a/toolkit/crashreporter/test/unit/test_crash_exc_guard.js b/toolkit/crashreporter/test/unit/test_crash_exc_guard.js
new file mode 100644
index 0000000000..f7daffe68c
--- /dev/null
+++ b/toolkit/crashreporter/test/unit/test_crash_exc_guard.js
@@ -0,0 +1,30 @@
+add_task(async function run_test() {
+  if (!("@mozilla.org/toolkit/crash-reporter;1" in Cc)) {
+    dump(
+      "INFO | test_crash_exc_guard.js | Can't test crashreporter in a non-libxul build.\n"
+    );
+    return;
+  }
+
+  // Try crashing by closing a guarded file descriptor
+  await do_crash(
+    function () {
+      crashType = CrashTestUtils.CRASH_EXC_GUARD;
+      crashReporter.annotateCrashReport("TestKey", "TestValue");
+    },
+    async function (mdump, extra, extraFile) {
+      runMinidumpAnalyzer(mdump);
+
+      // Refresh updated extra data
+      extra = await IOUtils.readJSON(extraFile.path);
+
+      Assert.equal(
+        extra.StackTraces.crash_info.type,
+        "EXC_GUARD / GUARD_TYPE_FD / GUARD_EXC_CLOSE"
+      );
+      Assert.equal(extra.TestKey, "TestValue");
+    },
+    // process will exit with a zero exit status
+    true
+  );
+});