Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | // Debugger.prototype.{addDebuggee,hasDebuggee,removeDebuggee} recognize globals |
michael@0 | 2 | // regardless of how they are specified. |
michael@0 | 3 | |
michael@0 | 4 | var dbg = new Debugger; |
michael@0 | 5 | |
michael@0 | 6 | // Assert that dbg's debuggees are exactly the set passed as arguments. |
michael@0 | 7 | // The arguments are assumed to be Debugger.Object instances referring to |
michael@0 | 8 | // globals without wrappers --- which is the sort returned by addDebuggee. |
michael@0 | 9 | function assertDebuggees() { |
michael@0 | 10 | print("assertDebuggees([" + [g.toSource() for each (g in arguments)] + "])"); |
michael@0 | 11 | var debuggees = dbg.getDebuggees(); |
michael@0 | 12 | assertEq(arguments.length, debuggees.length); |
michael@0 | 13 | for each (g in arguments) |
michael@0 | 14 | assertEq(debuggees.indexOf(g) != -1, true); |
michael@0 | 15 | } |
michael@0 | 16 | |
michael@0 | 17 | var g1 = newGlobal(); g1.toSource = function () { return "[global g1]"; }; |
michael@0 | 18 | var g2 = newGlobal(); g2.toSource = function () { return "[global g2]"; }; |
michael@0 | 19 | |
michael@0 | 20 | assertDebuggees(); |
michael@0 | 21 | |
michael@0 | 22 | // Produce every possible way to designate g1, for us to play with. |
michael@0 | 23 | // Globals can be designated by any of the following: |
michael@0 | 24 | // |
michael@0 | 25 | // - "CCW": a Cross-Compartment Wrapper (CCW) of a global object |
michael@0 | 26 | // - "D.O": a Debugger.Object whose referent is a global object |
michael@0 | 27 | // - "D.O of CCW": a Debugger.Object whose referent is a CCW of a |
michael@0 | 28 | // global object, where the CCW can be securely unwrapped |
michael@0 | 29 | // |
michael@0 | 30 | // There's no direct "G", since globals are always in their own |
michael@0 | 31 | // compartments, never the debugger's; if we ever viewed them directly, |
michael@0 | 32 | // that would be a compartment violation. |
michael@0 | 33 | |
michael@0 | 34 | // "dg1" means "Debugger.Object referring (directly) to g1". |
michael@0 | 35 | var dg1 = dbg.addDebuggee(g1); |
michael@0 | 36 | dg1.toSource = function() { return "[Debugger.Object for global g1]"; }; |
michael@0 | 37 | assertEq(dg1.global, dg1); |
michael@0 | 38 | assertEq(dg1.unwrap(), dg1); |
michael@0 | 39 | assertDebuggees(dg1); |
michael@0 | 40 | |
michael@0 | 41 | // We need to add g2 as a debuggee; that's the only way to get a D.O referring |
michael@0 | 42 | // to it without a wrapper. |
michael@0 | 43 | var dg2 = dbg.addDebuggee(g2); |
michael@0 | 44 | dg2.toSource = function() { return "[Debugger.Object for global g2]"; }; |
michael@0 | 45 | assertEq(dg2.global, dg2); |
michael@0 | 46 | assertEq(dg2.unwrap(), dg2); |
michael@0 | 47 | assertDebuggees(dg1, dg2); |
michael@0 | 48 | |
michael@0 | 49 | // "dwg1" means "Debugger.Object referring to CCW of g1". |
michael@0 | 50 | var dwg1 = dg2.makeDebuggeeValue(g1); |
michael@0 | 51 | assertEq(dwg1.global, dg2); |
michael@0 | 52 | assertEq(dwg1.unwrap(), dg1); |
michael@0 | 53 | dwg1.toSource = function() { return "[Debugger.Object for CCW of global g1]"; }; |
michael@0 | 54 | |
michael@0 | 55 | assertDebuggees(dg1, dg2); |
michael@0 | 56 | assertEq(dbg.removeDebuggee(g1), undefined); |
michael@0 | 57 | assertEq(dbg.removeDebuggee(g2), undefined); |
michael@0 | 58 | assertDebuggees(); |
michael@0 | 59 | |
michael@0 | 60 | // Systematically cover all the single-global possibilities: |
michael@0 | 61 | // |
michael@0 | 62 | // | added as | designated as | addDebuggee | hasDebuggee | removeDebuggee | |
michael@0 | 63 | // |-------------+---------------+-------------+-------------+----------------| |
michael@0 | 64 | // | (not added) | CCW | X | X | X | |
michael@0 | 65 | // | | D.O | X | X | X | |
michael@0 | 66 | // | | D.O of CCW | X | X | X | |
michael@0 | 67 | // |-------------+---------------+-------------+-------------+----------------| |
michael@0 | 68 | // | CCW | CCW | X | X | X | |
michael@0 | 69 | // | | D.O | X | X | X | |
michael@0 | 70 | // | | D.O of CCW | X | X | X | |
michael@0 | 71 | // |-------------+---------------+-------------+-------------+----------------| |
michael@0 | 72 | // | D.O | CCW | X | X | X | |
michael@0 | 73 | // | | D.O | X | X | X | |
michael@0 | 74 | // | | D.O of CCW | X | X | X | |
michael@0 | 75 | // |-------------+---------------+-------------+-------------+----------------| |
michael@0 | 76 | // | D.O of CCW | CCW | X | X | X | |
michael@0 | 77 | // | | D.O | X | X | X | |
michael@0 | 78 | // | | D.O of CCW | X | X | X | |
michael@0 | 79 | |
michael@0 | 80 | // Cover the "(not added)" section of the table, other than "addDebuggee": |
michael@0 | 81 | assertEq(dbg.hasDebuggee(g1), false); |
michael@0 | 82 | assertEq(dbg.hasDebuggee(dg1), false); |
michael@0 | 83 | assertEq(dbg.hasDebuggee(dwg1), false); |
michael@0 | 84 | |
michael@0 | 85 | assertEq(dbg.removeDebuggee(g1), undefined); assertDebuggees(); |
michael@0 | 86 | assertEq(dbg.removeDebuggee(dg1), undefined); assertDebuggees(); |
michael@0 | 87 | assertEq(dbg.removeDebuggee(dwg1), undefined); assertDebuggees(); |
michael@0 | 88 | |
michael@0 | 89 | // Try all operations adding the debuggee using |addAs|, and operating on it |
michael@0 | 90 | // using |designateAs|, thereby covering one row of the table (outside the '(not |
michael@0 | 91 | // added)' section), and one case in the '(not added)', 'designated as' section. |
michael@0 | 92 | // |
michael@0 | 93 | // |Direct| should be the Debugger.Object referring directly to the debuggee |
michael@0 | 94 | // global, for checking the results from addDebuggee and getDebuggees. |
michael@0 | 95 | function combo(addAs, designateAs, direct) { |
michael@0 | 96 | print("combo(" + uneval(addAs) + ", " + uneval(designateAs) + ")"); |
michael@0 | 97 | assertDebuggees(); |
michael@0 | 98 | assertEq(dbg.addDebuggee(addAs), direct); |
michael@0 | 99 | assertDebuggees(direct); |
michael@0 | 100 | assertEq(dbg.addDebuggee(designateAs), direct); |
michael@0 | 101 | assertDebuggees(direct); |
michael@0 | 102 | assertEq(dbg.hasDebuggee(designateAs), true); |
michael@0 | 103 | assertEq(dbg.removeDebuggee(designateAs), undefined); |
michael@0 | 104 | assertDebuggees(); |
michael@0 | 105 | } |
michael@0 | 106 | |
michael@0 | 107 | combo(g1, g1, dg1); |
michael@0 | 108 | combo(dg1, g1, dg1); |
michael@0 | 109 | combo(dwg1, g1, dg1); |
michael@0 | 110 | |
michael@0 | 111 | combo(g1, dg1, dg1); |
michael@0 | 112 | combo(dg1, dg1, dg1); |
michael@0 | 113 | combo(dwg1, dg1, dg1); |
michael@0 | 114 | |
michael@0 | 115 | combo(g1, dwg1, dg1); |
michael@0 | 116 | combo(dg1, dwg1, dg1); |
michael@0 | 117 | combo(dwg1, dwg1, dg1); |