michael@0: // Environment.prototype.find finds bindings that are function arguments, 'let'
michael@0: // bindings, or FunctionExpression names.
michael@0: 
michael@0: var g = newGlobal();
michael@0: g.eval("function h() { debugger; }");
michael@0: 
michael@0: var dbg = new Debugger(g);
michael@0: 
michael@0: function test1(code) {
michael@0:     var hits = 0;
michael@0:     dbg.onDebuggerStatement = function (frame) {
michael@0:         var env = frame.older.environment.find('X');
michael@0:         assertEq(env.names().indexOf('X') !== -1, true);
michael@0:         assertEq(env.type, 'declarative');
michael@0:         assertEq(env.parent !== null, true);
michael@0:         hits++;
michael@0:     };
michael@0:     g.eval(code);
michael@0:     assertEq(hits, 1);
michael@0: }
michael@0: 
michael@0: var manyNames = '';
michael@0: for (var i = 0; i < 2048; i++)
michael@0:     manyNames += 'x' + i + ', ';
michael@0: manyNames += 'X';
michael@0: 
michael@0: function test2(code) {
michael@0:     print(code + " : one");
michael@0:     test1(code.replace('@@', 'X'));
michael@0:     print(code + " : many");
michael@0:     test1(code.replace('@@', manyNames));
michael@0: }
michael@0: 
michael@0: test2('function f(@@) { h(); }  f(1);');
michael@0: test2('function f(@@) { h(); }  f();');
michael@0: test2('function f(@@) { return function g() { h(X); }; }  f(1)();');
michael@0: test2('function f(@@) { return function g() { h(X); }; }  f()();');
michael@0: 
michael@0: test2('                    { let @@ = 0; h(); }');
michael@0: test2('function f(a, b, c) { let @@ = 0; h(); }  f(1, 2, 3);');
michael@0: test2('             { let @@ = 0; { let y = 0; h(); } }');
michael@0: test2('function f() { let @@ = 0; { let y = 0; h(); } }  f();');
michael@0: test2('             { for (let @@ = 0; X < 1; X++) h(); }');
michael@0: test2('function f() { for (let @@ = 0; X < 1; X++) h(); }  f();');
michael@0: test2('             {        (let (@@ = 0) let (y = 2, z = 3) h()); }');
michael@0: test2('function f() { return (let (@@ = 0) let (y = 2, z = 3) h()); }  f();');
michael@0: 
michael@0: test1('(function X() { h(); })();');
michael@0: test1('(function X(a, b, c) { h(); })(1, 2, 3);');