// Test basic usage of onGarbageCollection
const root = newGlobal();
const dbg = new Debugger();
const wrappedRoot = dbg.addDebuggee(root)
const NUM_SLICES = root.NUM_SLICES = 10;
let fired = false ;
let slicesFound = 0;
Services.prefs.setBoolPref("security.allow_eval_with_system_principal" , true );
registerCleanupFunction(() => {
Services.prefs.clearUserPref("security.allow_eval_with_system_principal" );
});
dbg.memory.onGarbageCollection = data => {
fired = true ;
print("Got onGarbageCollection: " + JSON.stringify(data, null , 2));
equal(typeof data.reason, "string" );
equal(typeof data.nonincrementalReason == "string" || data.nonincrementalReason === null ,
true );
let lastStartTimestamp = 0;
for (let i = 0; i < data.collections.length; i++) {
let slice = data.collections[i];
equal(slice.startTimestamp >= lastStartTimestamp, true );
equal(slice.startTimestamp <= slice.endTimestamp, true );
lastStartTimestamp = slice.startTimestamp;
}
equal(data.collections.length >= 1, true );
slicesFound += data.collections.length;
}
function run_test() {
do_test_pending();
root.eval(
`
this .allocs = [];
// GC slices
for (var i = 0; i < NUM_SLICES; i++) {
this .allocs.push({});
gcslice();
}
// Full GC
this .allocs.push({});
gc();
`
);
executeSoon(() => {
equal(fired, true , "The GC hook should have fired at least once" );
// NUM_SLICES + 1 full gc + however many were triggered naturally (due to
// whatever zealousness setting).
print("Found " + slicesFound + " slices" );
equal(slicesFound >= NUM_SLICES + 1, true );
do_test_finished();
});
}
Messung V0.5 C=95 H=88 G=91
¤ Dauer der Verarbeitung: 0.3 Sekunden
¤
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