js/src/jit-test/tests/debug/Debugger-debuggees-18.js@6474c204b198
js/src/jit-test/tests/debug/Debugger-debuggees-18.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 // Debugger.prototype.{addDebuggee,hasDebuggee,removeDebuggee} recognize globals
2 // regardless of how they are specified.
4 var dbg = new Debugger;
6 // Assert that dbg's debuggees are exactly the set passed as arguments.
7 // The arguments are assumed to be Debugger.Object instances referring to
8 // globals without wrappers --- which is the sort returned by addDebuggee.
9 function assertDebuggees() {
10 print("assertDebuggees([" + [g.toSource() for each (g in arguments)] + "])");
11 var debuggees = dbg.getDebuggees();
12 assertEq(arguments.length, debuggees.length);
13 for each (g in arguments)
14 assertEq(debuggees.indexOf(g) != -1, true);
15 }
17 var g1 = newGlobal(); g1.toSource = function () { return "[global g1]"; };
18 var g2 = newGlobal(); g2.toSource = function () { return "[global g2]"; };
20 assertDebuggees();
22 // Produce every possible way to designate g1, for us to play with.
23 // Globals can be designated by any of the following:
24 //
25 // - "CCW": a Cross-Compartment Wrapper (CCW) of a global object
26 // - "D.O": a Debugger.Object whose referent is a global object
27 // - "D.O of CCW": a Debugger.Object whose referent is a CCW of a
28 // global object, where the CCW can be securely unwrapped
29 //
30 // There's no direct "G", since globals are always in their own
31 // compartments, never the debugger's; if we ever viewed them directly,
32 // that would be a compartment violation.
34 // "dg1" means "Debugger.Object referring (directly) to g1".
35 var dg1 = dbg.addDebuggee(g1);
36 dg1.toSource = function() { return "[Debugger.Object for global g1]"; };
37 assertEq(dg1.global, dg1);
38 assertEq(dg1.unwrap(), dg1);
39 assertDebuggees(dg1);
41 // We need to add g2 as a debuggee; that's the only way to get a D.O referring
42 // to it without a wrapper.
43 var dg2 = dbg.addDebuggee(g2);
44 dg2.toSource = function() { return "[Debugger.Object for global g2]"; };
45 assertEq(dg2.global, dg2);
46 assertEq(dg2.unwrap(), dg2);
47 assertDebuggees(dg1, dg2);
49 // "dwg1" means "Debugger.Object referring to CCW of g1".
50 var dwg1 = dg2.makeDebuggeeValue(g1);
51 assertEq(dwg1.global, dg2);
52 assertEq(dwg1.unwrap(), dg1);
53 dwg1.toSource = function() { return "[Debugger.Object for CCW of global g1]"; };
55 assertDebuggees(dg1, dg2);
56 assertEq(dbg.removeDebuggee(g1), undefined);
57 assertEq(dbg.removeDebuggee(g2), undefined);
58 assertDebuggees();
60 // Systematically cover all the single-global possibilities:
61 //
62 // | added as | designated as | addDebuggee | hasDebuggee | removeDebuggee |
63 // |-------------+---------------+-------------+-------------+----------------|
64 // | (not added) | CCW | X | X | X |
65 // | | D.O | X | X | X |
66 // | | D.O of CCW | X | X | X |
67 // |-------------+---------------+-------------+-------------+----------------|
68 // | CCW | CCW | X | X | X |
69 // | | D.O | X | X | X |
70 // | | D.O of CCW | X | X | X |
71 // |-------------+---------------+-------------+-------------+----------------|
72 // | D.O | CCW | X | X | X |
73 // | | D.O | X | X | X |
74 // | | D.O of CCW | X | X | X |
75 // |-------------+---------------+-------------+-------------+----------------|
76 // | D.O of CCW | CCW | X | X | X |
77 // | | D.O | X | X | X |
78 // | | D.O of CCW | X | X | X |
80 // Cover the "(not added)" section of the table, other than "addDebuggee":
81 assertEq(dbg.hasDebuggee(g1), false);
82 assertEq(dbg.hasDebuggee(dg1), false);
83 assertEq(dbg.hasDebuggee(dwg1), false);
85 assertEq(dbg.removeDebuggee(g1), undefined); assertDebuggees();
86 assertEq(dbg.removeDebuggee(dg1), undefined); assertDebuggees();
87 assertEq(dbg.removeDebuggee(dwg1), undefined); assertDebuggees();
89 // Try all operations adding the debuggee using |addAs|, and operating on it
90 // using |designateAs|, thereby covering one row of the table (outside the '(not
91 // added)' section), and one case in the '(not added)', 'designated as' section.
92 //
93 // |Direct| should be the Debugger.Object referring directly to the debuggee
94 // global, for checking the results from addDebuggee and getDebuggees.
95 function combo(addAs, designateAs, direct) {
96 print("combo(" + uneval(addAs) + ", " + uneval(designateAs) + ")");
97 assertDebuggees();
98 assertEq(dbg.addDebuggee(addAs), direct);
99 assertDebuggees(direct);
100 assertEq(dbg.addDebuggee(designateAs), direct);
101 assertDebuggees(direct);
102 assertEq(dbg.hasDebuggee(designateAs), true);
103 assertEq(dbg.removeDebuggee(designateAs), undefined);
104 assertDebuggees();
105 }
107 combo(g1, g1, dg1);
108 combo(dg1, g1, dg1);
109 combo(dwg1, g1, dg1);
111 combo(g1, dg1, dg1);
112 combo(dg1, dg1, dg1);
113 combo(dwg1, dg1, dg1);
115 combo(g1, dwg1, dg1);
116 combo(dg1, dwg1, dg1);
117 combo(dwg1, dwg1, dg1);
