diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /toolkit/components/telemetry/tests/unit/test_bug1555798.js | |
parent | Initial commit. (diff) | |
download | firefox-upstream.tar.xz firefox-upstream.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/components/telemetry/tests/unit/test_bug1555798.js')
-rw-r--r-- | toolkit/components/telemetry/tests/unit/test_bug1555798.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/toolkit/components/telemetry/tests/unit/test_bug1555798.js b/toolkit/components/telemetry/tests/unit/test_bug1555798.js new file mode 100644 index 0000000000..f5a84c200c --- /dev/null +++ b/toolkit/components/telemetry/tests/unit/test_bug1555798.js @@ -0,0 +1,48 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ +*/ + +ChromeUtils.defineESModuleGetters(this, { + TelemetryTestUtils: "resource://testing-common/TelemetryTestUtils.sys.mjs", +}); + +add_task(async function test_bug1555798() { + /* + The idea behind this bug is that the registration of dynamic scalars causes + the position of the scalarinfo for telemetry.dynamic_events_count to move + which causes things to asplode. + + So to test this we'll be registering two dynamic events, recording to one of + the events (to ensure the Scalar for event1 is allocated from the unmoved + DynamicScalarInfo&), registering several dynamic scalars to cause the + nsTArray of DynamicScalarInfo to realloc, and then recording to the second + event to make the Event Summary Scalar for event2 try to allocate from where + the DynamicScalarInfo used to be. + */ + Telemetry.clearEvents(); + + const DYNAMIC_CATEGORY = "telemetry.test.dynamic.event"; + Telemetry.registerEvents(DYNAMIC_CATEGORY, { + an_event: { + methods: ["a_method"], + objects: ["an_object", "another_object"], + record_on_release: true, + expired: false, + }, + }); + Telemetry.recordEvent(DYNAMIC_CATEGORY, "a_method", "an_object"); + + for (let i = 0; i < 100; ++i) { + Telemetry.registerScalars("telemetry.test.dynamic" + i, { + scalar_name: { + kind: Ci.nsITelemetry.SCALAR_TYPE_COUNT, + record_on_release: true, + }, + }); + Telemetry.scalarAdd("telemetry.test.dynamic" + i + ".scalar_name", 1); + } + + Telemetry.recordEvent(DYNAMIC_CATEGORY, "a_method", "another_object"); + + TelemetryTestUtils.assertNumberOfEvents(2, {}, { process: "dynamic" }); +}); |