1 files changed, 41 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_framebindings-07.js b/devtools/server/tests/xpcshell/test_framebindings-07.js
new file mode 100644
index 0000000000..77d43dfba8
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_framebindings-07.js
@@ -0,0 +1,41 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+add_task(
+  threadFrontTest(async ({ threadFront, debuggee, client }) => {
+    const packet = await executeOnNextTickAndWaitForPause(
+      () => evalCode(debuggee),
+      threadFront
+    );
+
+    const environment = await packet.frame.getEnvironment();
+    Assert.equal(environment.type, "function");
+    Assert.equal(environment.bindings.arguments[0].z.value, "z");
+
+    const parent = environment.parent;
+    Assert.equal(parent.type, "block");
+    Assert.equal(parent.bindings.variables.banana3.value.class, "Function");
+
+    const grandpa = parent.parent;
+    Assert.equal(grandpa.type, "function");
+    Assert.equal(grandpa.bindings.arguments[0].y.value, "y");
+
+    await threadFront.resume();
+  })
+);
+
+function evalCode(debuggee) {
+  debuggee.eval(
+    "function banana(x) {\n" +
+      "  return function banana2(y) {\n" +
+      "    return function banana3(z) {\n" +
+      '      eval("");\n' +
+      "      debugger;\n" +
+      "    };\n" +
+      "  };\n" +
+      "}\n" +
+      "banana('x')('y')('z');\n"
+  );
+}