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comparison: js/src/jit-test/tests/debug/Script-01.js
js/src/jit-test/tests/debug/Script-01.js
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| -1:000000000000 | 0:2d5d9ad97db9 |
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| 1 // |jit-test| debug | |
| 2 // We get the same Debugger.Script object instance each time we ask. | |
| 3 | |
| 4 var global = newGlobal(); | |
| 5 global.eval('function f() { debugger; }'); | |
| 6 global.eval('function g() { debugger; }'); | |
| 7 | |
| 8 var debug = new Debugger(global); | |
| 9 | |
| 10 function evalAndNoteScripts(prog) { | |
| 11 var scripts = {}; | |
| 12 debug.onDebuggerStatement = function(frame) { | |
| 13 if (frame.type == "call") | |
| 14 assertEq(frame.script, frame.callee.script); | |
| 15 scripts.frame = frame.script; | |
| 16 if (frame.arguments[0]) | |
| 17 scripts.argument = frame.arguments[0].script; | |
| 18 }; | |
| 19 global.eval(prog); | |
| 20 return scripts; | |
| 21 } | |
| 22 | |
| 23 // If we create a frame for a function and pass it as a value, those should | |
| 24 // both yield the same Debugger.Script instance. | |
| 25 var scripts = evalAndNoteScripts('f(f)'); | |
| 26 assertEq(scripts.frame, scripts.argument); | |
| 27 var fScript = scripts.argument; | |
| 28 | |
| 29 // If we call a second time, we should still get the same instance. | |
| 30 scripts = evalAndNoteScripts('f(f)'); | |
| 31 assertEq(scripts.frame, fScript); | |
| 32 assertEq(scripts.argument, fScript); | |
| 33 | |
| 34 // If we call with a different argument, we should get a different Debugger.Script. | |
| 35 scripts = evalAndNoteScripts('f(g)'); | |
| 36 assertEq(scripts.frame !== scripts.argument, true); | |
| 37 assertEq(scripts.frame, fScript); | |
| 38 var gScript = scripts.argument; | |
| 39 | |
| 40 // See if we can get g via the frame. | |
| 41 scripts = evalAndNoteScripts('g(f)'); | |
| 42 assertEq(scripts.frame !== scripts.argument, true); | |
| 43 assertEq(scripts.frame, gScript); | |
| 44 assertEq(scripts.argument, fScript); | |
| 45 | |
| 46 // Different closures made from the same 'function' expression should yield | |
| 47 // the same script. | |
| 48 global.eval('function gen1(x) { return function clo(y) { return x+y; }; }'); | |
| 49 global.eval('var clo1 = gen1(42);'); | |
| 50 global.eval('var clo2 = gen1("smoot");'); | |
| 51 var scripts1 = evalAndNoteScripts('f(clo1)'); | |
| 52 var scripts2 = evalAndNoteScripts('f(clo2)'); | |
| 53 assertEq(scripts1.argument, scripts2.argument); | |
| 54 | |
| 55 // Different closures made from the same 'function' declaration should yield | |
| 56 // the same script. | |
| 57 global.eval('function gen2(x) { function clo(y) { return x+y; }; return clo; }'); | |
| 58 global.eval('var clo1 = gen2(42);'); | |
| 59 global.eval('var clo2 = gen2("smoot");'); | |
| 60 var scripts1 = evalAndNoteScripts('f(clo1)'); | |
| 61 var scripts2 = evalAndNoteScripts('f(clo2)'); | |
| 62 assertEq(scripts1.argument, scripts2.argument); | |
| 63 | |
| 64 // Different closures made from the same 'function' statement should yield | |
| 65 // the same script. | |
| 66 global.eval('function gen3(x) { if (true) { function clo(y) { return x+y; }; return clo; } }'); | |
| 67 global.eval('var clo1 = gen3(42);'); | |
| 68 global.eval('var clo2 = gen3("smoot");'); | |
| 69 var scripts1 = evalAndNoteScripts('f(clo1)'); | |
| 70 var scripts2 = evalAndNoteScripts('f(clo2)'); | |
| 71 assertEq(scripts1.argument, scripts2.argument); |
