michael@0: // setVariable cannot create new global variables.
michael@0: // (Other kinds of environment are tested in Environment-variables.js.)
michael@0: 
michael@0: load(libdir + "asserts.js");
michael@0: 
michael@0: var g = newGlobal();
michael@0: var dbg = new Debugger(g);
michael@0: var hits = 0;
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:     assertThrowsInstanceOf(function () { frame.environment.setVariable("x", 7); }, TypeError);
michael@0:     hits++;
michael@0: };
michael@0: g.eval("debugger");
michael@0: assertEq("x" in g, false);
michael@0: assertEq(hits, 1);
michael@0: