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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/xpconnect/tests/unit/test_onGarbageCollection-01.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/xpconnect/tests/unit/test_onGarbageCollection-01.js | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_onGarbageCollection-01.js b/js/xpconnect/tests/unit/test_onGarbageCollection-01.js new file mode 100644 index 0000000000..81ac713865 --- /dev/null +++ b/js/xpconnect/tests/unit/test_onGarbageCollection-01.js @@ -0,0 +1,69 @@ +// 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(); + }); +} |