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comparison: js/src/jit-test/tests/debug/Environment-inspectable-01.js
js/src/jit-test/tests/debug/Environment-inspectable-01.js
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- 6474c204b198
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| -1:000000000000 | 0:77dec458d579 |
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| 1 // Environments are only inspectable while their globals are debuggees. | |
| 2 | |
| 3 load(libdir + 'asserts.js'); | |
| 4 | |
| 5 var g1 = newGlobal(); | |
| 6 var g2 = newGlobal(); | |
| 7 g2.g1 = g1; | |
| 8 g1.g2 = g2; | |
| 9 | |
| 10 g1.eval('function f(xf) { return function h(xh) { debugger; } }'); | |
| 11 g1.eval('var h = f("value of xf");'); | |
| 12 | |
| 13 // To ensure that xk gets located on the heap, and thus outlives its stack frame, we | |
| 14 // store a function that captures it here. Kind of a kludge. | |
| 15 g2.eval('var capture;'); | |
| 16 g2.eval('function k(xk) { capture = function () { return xk; }; g1.h("value of xh"); }'); | |
| 17 | |
| 18 var dbg = new Debugger; | |
| 19 dbg.addDebuggee(g1); | |
| 20 dbg.addDebuggee(g2); | |
| 21 | |
| 22 dbg.onDebuggerStatement = debuggerHandler; | |
| 23 | |
| 24 var log = ''; | |
| 25 | |
| 26 g1.eval('g2.k("value of xk");'); | |
| 27 | |
| 28 var he, ke, ee; | |
| 29 | |
| 30 function debuggerHandler(frame) { | |
| 31 log += 'd'; | |
| 32 | |
| 33 assertEq(frame.type, 'call'); | |
| 34 he = frame.environment; | |
| 35 | |
| 36 assertEq(frame.older.type, 'call'); | |
| 37 ke = frame.older.environment; | |
| 38 | |
| 39 assertEq(frame.older.older.type, 'eval'); | |
| 40 ee = frame.older.older.environment; | |
| 41 | |
| 42 assertEq(he.inspectable, true); | |
| 43 assertEq(he.getVariable('xh'), 'value of xh'); | |
| 44 assertEq(he.parent.parent.getVariable('xf'), 'value of xf'); | |
| 45 assertEq(ke.inspectable, true); | |
| 46 assertEq(ke.getVariable('xk'), 'value of xk'); | |
| 47 assertEq(ee.inspectable, true); | |
| 48 assertEq(ee.type, 'object'); | |
| 49 | |
| 50 dbg.removeDebuggee(g2); | |
| 51 | |
| 52 assertEq(he.inspectable, true); | |
| 53 assertEq(he.type, 'declarative'); | |
| 54 assertEq(ke.inspectable, false); | |
| 55 assertThrowsInstanceOf(() => ke.getVariable('xk'), Error); | |
| 56 assertEq(ee.inspectable, true); | |
| 57 assertEq(ee.type, 'object'); | |
| 58 | |
| 59 dbg.removeDebuggee(g1); | |
| 60 | |
| 61 assertEq(he.inspectable, false); | |
| 62 assertThrowsInstanceOf(() => he.getVariable('xh'), Error); | |
| 63 assertEq(ke.inspectable, false); | |
| 64 assertThrowsInstanceOf(() => ke.getVariable('xk'), Error); | |
| 65 assertEq(ee.inspectable, false); | |
| 66 assertThrowsInstanceOf(() => ee.type, Error); | |
| 67 } | |
| 68 | |
| 69 assertEq(log, 'd'); | |
| 70 | |
| 71 dbg.addDebuggee(g2); | |
| 72 | |
| 73 assertEq(he.inspectable, false); | |
| 74 assertThrowsInstanceOf(() => he.getVariable('xh'), Error); | |
| 75 assertEq(ke.inspectable, true); | |
| 76 assertEq(ke.getVariable('xk'), 'value of xk'); | |
| 77 assertEq(ee.inspectable, false); | |
| 78 assertThrowsInstanceOf(() => ee.type, Error); |
