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-rw-r--r--js/src/jit-test/tests/debug/Environment-setVariable-11.js16
1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Environment-setVariable-11.js b/js/src/jit-test/tests/debug/Environment-setVariable-11.js
new file mode 100644
index 000000000..6491468e2
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Environment-setVariable-11.js
@@ -0,0 +1,16 @@
+// setVariable cannot modify the binding for a FunctionExpression's name.
+
+load(libdir + "asserts.js");
+
+var g = newGlobal();
+var dbg = Debugger(g);
+var hits = 0;
+dbg.onDebuggerStatement = function (frame) {
+ var env = frame.environment.find("f");
+ assertEq(env.getVariable("f"), frame.callee);
+ assertThrowsInstanceOf(function () { env.setVariable("f", 0) }, TypeError);
+ assertThrowsInstanceOf(function () { env.setVariable("f", frame.callee) }, TypeError);
+ hits++;
+};
+g.eval("(function f() { debugger; })();");
+assertEq(hits, 1);