1 files changed, 80 insertions, 0 deletions
diff --git a/devtools/shared/tests/xpcshell/test_invisible_loader.js b/devtools/shared/tests/xpcshell/test_invisible_loader.js
new file mode 100644
index 0000000000..d83efd9c2a
--- /dev/null
+++ b/devtools/shared/tests/xpcshell/test_invisible_loader.js
@@ -0,0 +1,80 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const { addDebuggerToGlobal } = ChromeUtils.importESModule(
+  "resource://gre/modules/jsdebugger.sys.mjs"
+);
+addDebuggerToGlobal(globalThis);
+
+/**
+ * Ensure that sandboxes created via the Dev Tools loader respect the
+ * invisibleToDebugger flag.
+ */
+function run_test() {
+  visible_loader();
+  invisible_loader();
+  // TODO: invisibleToDebugger should be deprecated in favor of
+  // useDistinctSystemPrincipalLoader, but we might move out from the loader
+  // to using only standard imports instead.
+  distinct_system_principal_loader();
+}
+
+function visible_loader() {
+  const loader = new DevToolsLoader({
+    invisibleToDebugger: false,
+  });
+  loader.require("resource://devtools/shared/indentation.js");
+
+  const dbg = new Debugger();
+  const sandbox = loader.loader.sharedGlobal;
+
+  try {
+    dbg.addDebuggee(sandbox);
+    Assert.ok(true);
+  } catch (e) {
+    do_throw("debugger could not add visible value");
+  }
+}
+
+function invisible_loader() {
+  const loader = new DevToolsLoader({
+    invisibleToDebugger: true,
+  });
+  loader.require("resource://devtools/shared/indentation.js");
+
+  const dbg = new Debugger();
+  const sandbox = loader.loader.sharedGlobal;
+
+  try {
+    dbg.addDebuggee(sandbox);
+    do_throw("debugger added invisible value");
+  } catch (e) {
+    Assert.ok(true);
+  }
+}
+
+function distinct_system_principal_loader() {
+  const {
+    useDistinctSystemPrincipalLoader,
+    releaseDistinctSystemPrincipalLoader,
+  } = ChromeUtils.importESModule(
+    "resource://devtools/shared/loader/DistinctSystemPrincipalLoader.sys.mjs"
+  );
+
+  const requester = {};
+  const loader = useDistinctSystemPrincipalLoader(requester);
+  loader.require("resource://devtools/shared/indentation.js");
+
+  const dbg = new Debugger();
+  const sandbox = loader.loader.sharedGlobal;
+
+  try {
+    dbg.addDebuggee(sandbox);
+    do_throw("debugger added invisible value");
+  } catch (e) {
+    Assert.ok(true);
+  }
+  releaseDistinctSystemPrincipalLoader(requester);
+}