michael@0: // Using an environment that is not a debuggee should throw.
michael@0: 
michael@0: load(libdir + 'asserts.js');
michael@0: 
michael@0: var g = newGlobal();
michael@0: var dbg = new Debugger;
michael@0: let gw = dbg.addDebuggee(g);
michael@0: var log;
michael@0: 
michael@0: function check(env) {
michael@0:   assertEq(env.inspectable, false);
michael@0:   assertThrowsInstanceOf(() => env.type, Error);
michael@0:   assertThrowsInstanceOf(() => env.object, Error);
michael@0:   assertThrowsInstanceOf(() => env.parent, Error);
michael@0:   assertThrowsInstanceOf(() => env.callee, Error);
michael@0: 
michael@0:   assertThrowsInstanceOf(() => env.names(), Error);
michael@0:   assertThrowsInstanceOf(() => env.find('x'), Error);
michael@0:   assertThrowsInstanceOf(() => env.getVariable('x'), Error);
michael@0:   assertThrowsInstanceOf(() => env.setVariable('x'), Error);
michael@0: }
michael@0: 
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:   log += 'd';
michael@0: 
michael@0:   let env = frame.environment;
michael@0:   dbg.removeDebuggee(g);
michael@0:   check(env);
michael@0: }
michael@0: 
michael@0: log = '';
michael@0: g.eval('let x = 42; debugger;');
michael@0: assertEq(log, 'd');
michael@0: 
michael@0: dbg.addDebuggee(g);
michael@0: g.eval('function f() { }');
michael@0: let env = gw.getOwnPropertyDescriptor('f').value.environment;
michael@0: assertEq(env.type, 'object');
michael@0: dbg.removeDebuggee(g);
michael@0: check(env);