| // setVariable throws if no binding exists. |
| |
| load(libdir + "asserts.js"); |
| |
| function test(code) { |
| var g = newGlobal(); |
| var dbg = new Debugger(g); |
| var hits = 0; |
| dbg.onDebuggerStatement = function (frame) { |
| var env = frame.older.environment; |
| assertThrowsInstanceOf(function () { env.setVariable("y", 2); }, Error); |
| hits++; |
| }; |
| g.eval("var y = 0; function d() { debugger; }"); |
| |
| assertEq(g.eval(code), 0); |
| |
| assertEq(g.y, 0); |
| assertEq(hits, 1); |
| } |
| |
| // local scope of non-heavyweight function |
| test("function f() { var x = 1; d(); return y; } f();"); |
| |
| // block scope |
| test("function h(x) { if (x) { let x = 1; d(); return y; } } h(3);"); |
| |
| // strict eval scope |
| test("'use strict'; eval('d(); y;');"); |