/js/src/jit-test/tests/debug/Script-01.js
http://github.com/zpao/v8monkey · JavaScript · 71 lines · 48 code · 10 blank · 13 comment · 4 complexity · 40487ff24e5d069c747e70d2ccab5ae2 MD5 · raw file
- // |jit-test| debug
- // We get the same Debugger.Script object instance each time we ask.
- var global = newGlobal('new-compartment');
- global.eval('function f() { debugger; }');
- global.eval('function g() { debugger; }');
- var debug = new Debugger(global);
- function evalAndNoteScripts(prog) {
- var scripts = {};
- debug.onDebuggerStatement = function(frame) {
- if (frame.type == "call")
- assertEq(frame.script, frame.callee.script);
- scripts.frame = frame.script;
- if (frame.arguments[0])
- scripts.argument = frame.arguments[0].script;
- };
- global.eval(prog);
- return scripts;
- }
- // If we create a frame for a function and pass it as a value, those should
- // both yield the same Debugger.Script instance.
- var scripts = evalAndNoteScripts('f(f)');
- assertEq(scripts.frame, scripts.argument);
- var fScript = scripts.argument;
- // If we call a second time, we should still get the same instance.
- scripts = evalAndNoteScripts('f(f)');
- assertEq(scripts.frame, fScript);
- assertEq(scripts.argument, fScript);
- // If we call with a different argument, we should get a different Debugger.Script.
- scripts = evalAndNoteScripts('f(g)');
- assertEq(scripts.frame !== scripts.argument, true);
- assertEq(scripts.frame, fScript);
- var gScript = scripts.argument;
- // See if we can get g via the frame.
- scripts = evalAndNoteScripts('g(f)');
- assertEq(scripts.frame !== scripts.argument, true);
- assertEq(scripts.frame, gScript);
- assertEq(scripts.argument, fScript);
- // Different closures made from the same 'function' expression should yield
- // the same script.
- global.eval('function gen1(x) { return function clo(y) { return x+y; }; }');
- global.eval('var clo1 = gen1(42);');
- global.eval('var clo2 = gen1("smoot");');
- var scripts1 = evalAndNoteScripts('f(clo1)');
- var scripts2 = evalAndNoteScripts('f(clo2)');
- assertEq(scripts1.argument, scripts2.argument);
- // Different closures made from the same 'function' declaration should yield
- // the same script.
- global.eval('function gen2(x) { function clo(y) { return x+y; }; return clo; }');
- global.eval('var clo1 = gen2(42);');
- global.eval('var clo2 = gen2("smoot");');
- var scripts1 = evalAndNoteScripts('f(clo1)');
- var scripts2 = evalAndNoteScripts('f(clo2)');
- assertEq(scripts1.argument, scripts2.argument);
- // Different closures made from the same 'function' statement should yield
- // the same script.
- global.eval('function gen3(x) { if (true) { function clo(y) { return x+y; }; return clo; } }');
- global.eval('var clo1 = gen3(42);');
- global.eval('var clo2 = gen3("smoot");');
- var scripts1 = evalAndNoteScripts('f(clo1)');
- var scripts2 = evalAndNoteScripts('f(clo2)');
- assertEq(scripts1.argument, scripts2.argument);