1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Environment-module-01.js b/js/src/jit-test/tests/debug/Environment-module-01.js
new file mode 100644
index 0000000000..728c5f64bd
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Environment-module-01.js
@@ -0,0 +1,26 @@
+// Debug environments for module environments should include variables that are
+// are not closed over or exported.
+
+var g = newGlobal({newCompartment: true});
+var dbg = Debugger(g);
+dbg.onEnterFrame = function (frame) {
+  if (!frame.older) {
+    return;
+  }
+  const env = frame.older.environment;
+  assertEq(env.names().join(','), "foo,y,x,z");
+  assertEq(env.getVariable('x'), 0);
+  assertEq(env.getVariable('y'), 1);
+  assertEq(env.getVariable('z'), 2);
+  env.setVariable('x', 3);
+  assertEq(env.getVariable('x'), 3);
+};
+const m = g.parseModule(`
+  var x = 0;
+  export var y = 1;
+  const z = 2;
+  foo();
+  function foo() {}
+`);
+m.declarationInstantiation();
+m.evaluation();