1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Environment-setVariable-WouldRun.js b/js/src/jit-test/tests/debug/Environment-setVariable-WouldRun.js
new file mode 100644
index 0000000000..a9d97dfacc
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Environment-setVariable-WouldRun.js
@@ -0,0 +1,23 @@
+// setVariable triggering a setter throws WouldRunDebuggee.
+
+load(libdir + "asserts.js");
+
+function test(code) {
+    var g = newGlobal({newCompartment: true});
+    g.eval("function d() { debugger; }");
+    var dbg = Debugger(g);
+    var hits = 0;
+    dbg.onDebuggerStatement = function (frame) {
+        var env = frame.older.environment.find("x");
+        assertThrowsInstanceOf(
+            () => env.setVariable("x", 0),
+            Debugger.DebuggeeWouldRun);
+        hits++;
+    };
+    g.eval(code);
+    assertEq(hits, 1);
+}
+
+test("Object.defineProperty(this, 'x', {set: function (v) {}}); d();");
+test("Object.defineProperty(Object.prototype, 'x', {set: function (v) {}}); d();");
+test("with ({set x(v) {}}) eval(d());");