1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/js/src/jit-test/tests/debug/Environment-callee-01.js Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,51 @@ 1.4 +// Debugger.Environment.prototype.callee reveals the callee of environments 1.5 +// that have them. 1.6 + 1.7 +var g = newGlobal(); 1.8 +var dbg = new Debugger; 1.9 +var gw = dbg.addDebuggee(g); 1.10 + 1.11 +function check(code, expectedType, expectedCallee) { 1.12 + print("check(" + uneval(code) + ")"); 1.13 + var hits; 1.14 + dbg.onDebuggerStatement = function (frame) { 1.15 + hits++; 1.16 + var env = frame.environment; 1.17 + assertEq(env.type, expectedType); 1.18 + assertEq(env.callee, expectedCallee); 1.19 + }; 1.20 + hits = 0; 1.21 + g.eval(code); 1.22 + assertEq(hits, 1); 1.23 +} 1.24 + 1.25 +check('debugger;', 'object', null); 1.26 +check('with({}) { debugger; };', 'with', null); 1.27 +check('let (x=1) { debugger; };', 'declarative', null); 1.28 + 1.29 +g.eval('function f() { debugger; }'); 1.30 +check('f()', 'declarative', gw.makeDebuggeeValue(g.f)); 1.31 + 1.32 +g.eval('function g() { h(); }'); 1.33 +g.eval('function h() { debugger; }'); 1.34 +check('g()', 'declarative', gw.makeDebuggeeValue(g.h)); 1.35 + 1.36 +// Strict direct eval gets its own environment. 1.37 +check('"use strict"; eval("debugger");', 'declarative', null); 1.38 +g.eval('function j() { "use strict"; eval("debugger;"); }'); 1.39 +check('j()', 'declarative', null); 1.40 + 1.41 +// Lenient direct eval shares eval's caller's environment, 1.42 +// although this is a great evil. 1.43 +check('eval("debugger");', 'object', null); 1.44 +g.eval('function k() { eval("debugger;"); }'); 1.45 +check('k()', 'declarative', gw.makeDebuggeeValue(g.k)); 1.46 + 1.47 +g.eval('function m() { debugger; yield true; }'); 1.48 +check('m().next();', 'declarative', gw.makeDebuggeeValue(g.m)); 1.49 + 1.50 +g.eval('function n() { let (x = 1) { debugger; } }'); 1.51 +check('n()', 'declarative', null); 1.52 + 1.53 +g.eval('function* o() { debugger; yield true; }'); 1.54 +check('o().next();', 'declarative', gw.makeDebuggeeValue(g.o));