1 files changed, 44 insertions, 0 deletions
diff --git a/toolkit/crashreporter/test/unit/test_crash_modules.js b/toolkit/crashreporter/test/unit/test_crash_modules.js
new file mode 100644
index 0000000000..dd14e77dab
--- /dev/null
+++ b/toolkit/crashreporter/test/unit/test_crash_modules.js
@@ -0,0 +1,44 @@
+add_task(async function run_test() {
+  if (!("@mozilla.org/toolkit/crash-reporter;1" in Cc)) {
+    dump(
+      "INFO | test_crash_modules.js | Can't test crashreporter in a non-libxul build.\n"
+    );
+    return;
+  }
+
+  await do_crash(
+    function () {
+      const { ctypes } = ChromeUtils.importESModule(
+        "resource://gre/modules/ctypes.sys.mjs"
+      );
+      // Load and unload a DLL so that it will show up as unloaded in the minidump
+      let lib = ctypes.open("wininet");
+      lib.close();
+    },
+    async function (mdump, extra, extraFile) {
+      runMinidumpAnalyzer(mdump);
+
+      // Refresh updated extra data
+      extra = await IOUtils.readJSON(extraFile.path);
+
+      // Check unloaded modules
+      const unloadedModules = extra.StackTraces.unloaded_modules;
+      Assert.ok(!!unloadedModules, "The unloaded_modules field exists");
+      Assert.notEqual(unloadedModules.find(e => e.filename == "wininet.DLL"));
+
+      // Check the module signature information
+      const sigInfo = JSON.parse(extra.ModuleSignatureInfo);
+      Assert.ok(
+        !!sigInfo["Microsoft Windows"],
+        "The module signature info contains valid data"
+      );
+      Assert.greater(
+        sigInfo["Microsoft Windows"].length,
+        0,
+        "Multiple signed binaries were found"
+      );
+    },
+    // process will exit with a zero exit status
+    true
+  );
+});