1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Environment-setVariable-01.js b/js/src/jit-test/tests/debug/Environment-setVariable-01.js
new file mode 100644
index 000000000..610960241
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Environment-setVariable-01.js
@@ -0,0 +1,9 @@
+// Environment.prototype.setVariable can set global variables.
+
+var g = newGlobal();
+var dbg = Debugger(g);
+dbg.onDebuggerStatement = function (frame) {
+    frame.environment.parent.setVariable("x", 2);
+};
+g.eval("var x = 1; debugger;");
+assertEq(g.x, 2);