gecko-dev/services/sync/tests/unit/test_utils_catch.js

87 lines
2.4 KiB
JavaScript

Cu.import("resource://services-sync/util.js");
Cu.import("resource://services-sync/service.js");
function run_test() {
_("Make sure catch when copied to an object will correctly catch stuff");
let ret, rightThis, didCall, didThrow, wasTen, wasLocked;
let obj = {
catch: Utils.catch,
_log: {
debug: function(str) {
didThrow = str.search(/^Exception: /) == 0;
},
info: function(str) {
wasLocked = str.indexOf("Cannot start sync: already syncing?") == 0;
}
},
func: function() this.catch(function() {
rightThis = this == obj;
didCall = true;
return 5;
})(),
throwy: function() this.catch(function() {
rightThis = this == obj;
didCall = true;
throw 10;
})(),
callbacky: function() this.catch(function() {
rightThis = this == obj;
didCall = true;
throw 10;
}, function(ex) {
wasTen = (ex == 10)
})(),
lockedy: function() this.catch(function() {
rightThis = this == obj;
didCall = true;
throw("Could not acquire lock.");
})()
};
_("Make sure a normal call will call and return");
rightThis = didCall = didThrow = wasLocked = false;
ret = obj.func();
do_check_eq(ret, 5);
do_check_true(rightThis);
do_check_true(didCall);
do_check_false(didThrow);
do_check_eq(wasTen, undefined);
do_check_false(wasLocked);
_("Make sure catch/throw results in debug call and caller doesn't need to handle exception");
rightThis = didCall = didThrow = wasLocked = false;
ret = obj.throwy();
do_check_eq(ret, undefined);
do_check_true(rightThis);
do_check_true(didCall);
do_check_true(didThrow);
do_check_eq(wasTen, undefined);
do_check_false(wasLocked);
_("Test callback for exception testing.");
rightThis = didCall = didThrow = wasLocked = false;
ret = obj.callbacky();
do_check_eq(ret, undefined);
do_check_true(rightThis);
do_check_true(didCall);
do_check_true(didThrow);
do_check_true(wasTen);
do_check_false(wasLocked);
_("Test the lock-aware catch that Service uses.");
obj.catch = Service._catch;
rightThis = didCall = didThrow = wasLocked = false;
wasTen = undefined;
ret = obj.lockedy();
do_check_eq(ret, undefined);
do_check_true(rightThis);
do_check_true(didCall);
do_check_true(didThrow);
do_check_eq(wasTen, undefined);
do_check_true(wasLocked);
}