diff options
Diffstat (limited to 'js/src/jit-test/tests/debug/Debugger-debuggees-18.js')
| -rw-r--r-- | js/src/jit-test/tests/debug/Debugger-debuggees-18.js | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Debugger-debuggees-18.js b/js/src/jit-test/tests/debug/Debugger-debuggees-18.js new file mode 100644 index 0000000000..a4aa94ed54 --- /dev/null +++ b/js/src/jit-test/tests/debug/Debugger-debuggees-18.js @@ -0,0 +1,114 @@ +// Debugger.prototype.{addDebuggee,hasDebuggee,removeDebuggee} recognize globals +// regardless of how they are specified. + +var dbg = new Debugger; + +// Assert that dbg's debuggees are exactly the set passed as arguments. +// The arguments are assumed to be Debugger.Object instances referring to +// globals without wrappers --- which is the sort returned by addDebuggee. +function assertDebuggees(...expected) { + print("assertDebuggees([" + expected.map((g) => g.toSource()) + "])"); + var debuggees = dbg.getDebuggees(); + assertEq(expected.length, debuggees.length); + for (let g of expected) + assertEq(debuggees.indexOf(g) != -1, true); +} + +var g1 = newGlobal({newCompartment: true}); g1.toSource = function () { return "[global g1]"; }; +var g2 = newGlobal({newCompartment: true}); g2.toSource = function () { return "[global g2]"; }; + +assertDebuggees(); + +// Produce every possible way to designate g1, for us to play with. +// Globals can be designated by any of the following: +// +// - "CCW": a Cross-Compartment Wrapper (CCW) of a global object +// - "D.O": a Debugger.Object whose referent is a global object +// - "D.O of CCW": a Debugger.Object whose referent is a CCW of a +// global object, where the CCW can be securely unwrapped +// +// There's no direct "G", since globals are always in their own +// compartments, never the debugger's; if we ever viewed them directly, +// that would be a compartment violation. + +// "dg1" means "Debugger.Object referring (directly) to g1". +var dg1 = dbg.addDebuggee(g1); +dg1.toSource = function() { return "[Debugger.Object for global g1]"; }; +assertEq(dg1.unwrap(), dg1); +assertDebuggees(dg1); + +// We need to add g2 as a debuggee; that's the only way to get a D.O referring +// to it without a wrapper. +var dg2 = dbg.addDebuggee(g2); +dg2.toSource = function() { return "[Debugger.Object for global g2]"; }; +assertEq(dg2.unwrap(), dg2); +assertDebuggees(dg1, dg2); + +// "dwg1" means "Debugger.Object referring to CCW of g1". +var dwg1 = dg2.makeDebuggeeValue(g1); +assertEq(dwg1.unwrap(), dg1.makeDebuggeeValue(g1)); +dwg1.toSource = function() { return "[Debugger.Object for CCW of WindowProxy of g1]"; }; + +assertDebuggees(dg1, dg2); +assertEq(dbg.removeDebuggee(g1), undefined); +assertEq(dbg.removeDebuggee(g2), undefined); +assertDebuggees(); + +// Systematically cover all the single-global possibilities: +// +// | added as | designated as | addDebuggee | hasDebuggee | removeDebuggee | +// |-------------+---------------+-------------+-------------+----------------| +// | (not added) | CCW | X | X | X | +// | | D.O | X | X | X | +// | | D.O of CCW | X | X | X | +// |-------------+---------------+-------------+-------------+----------------| +// | CCW | CCW | X | X | X | +// | | D.O | X | X | X | +// | | D.O of CCW | X | X | X | +// |-------------+---------------+-------------+-------------+----------------| +// | D.O | CCW | X | X | X | +// | | D.O | X | X | X | +// | | D.O of CCW | X | X | X | +// |-------------+---------------+-------------+-------------+----------------| +// | D.O of CCW | CCW | X | X | X | +// | | D.O | X | X | X | +// | | D.O of CCW | X | X | X | + +// Cover the "(not added)" section of the table, other than "addDebuggee": +assertEq(dbg.hasDebuggee(g1), false); +assertEq(dbg.hasDebuggee(dg1), false); +assertEq(dbg.hasDebuggee(dwg1), false); + +assertEq(dbg.removeDebuggee(g1), undefined); assertDebuggees(); +assertEq(dbg.removeDebuggee(dg1), undefined); assertDebuggees(); +assertEq(dbg.removeDebuggee(dwg1), undefined); assertDebuggees(); + +// Try all operations adding the debuggee using |addAs|, and operating on it +// using |designateAs|, thereby covering one row of the table (outside the '(not +// added)' section), and one case in the '(not added)', 'designated as' section. +// +// |Direct| should be the Debugger.Object referring directly to the debuggee +// global, for checking the results from addDebuggee and getDebuggees. +function combo(addAs, designateAs, direct) { + print("combo(" + JSON.stringify(addAs) + ", " + JSON.stringify(designateAs) + ")"); + assertDebuggees(); + assertEq(dbg.addDebuggee(addAs), direct); + assertDebuggees(direct); + assertEq(dbg.addDebuggee(designateAs), direct); + assertDebuggees(direct); + assertEq(dbg.hasDebuggee(designateAs), true); + assertEq(dbg.removeDebuggee(designateAs), undefined); + assertDebuggees(); +} + +combo(g1, g1, dg1); +combo(dg1, g1, dg1); +combo(dwg1, g1, dg1); + +combo(g1, dg1, dg1); +combo(dg1, dg1, dg1); +combo(dwg1, dg1, dg1); + +combo(g1, dwg1, dg1); +combo(dg1, dwg1, dg1); +combo(dwg1, dwg1, dg1); |