diff options
Diffstat (limited to 'dom/heapsnapshot/tests/unit/test_census_diff_01.js')
-rw-r--r-- | dom/heapsnapshot/tests/unit/test_census_diff_01.js | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/dom/heapsnapshot/tests/unit/test_census_diff_01.js b/dom/heapsnapshot/tests/unit/test_census_diff_01.js new file mode 100644 index 000000000..75977bccb --- /dev/null +++ b/dom/heapsnapshot/tests/unit/test_census_diff_01.js @@ -0,0 +1,74 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +// Test diffing census reports of breakdown by "internalType". + +const BREAKDOWN = { + by: "internalType", + then: { by: "count", count: true, bytes: true } +}; + +const REPORT1 = { + "JSObject": { + "count": 10, + "bytes": 100, + }, + "js::Shape": { + "count": 50, + "bytes": 500, + }, + "JSString": { + "count": 0, + "bytes": 0, + }, + "js::LazyScript": { + "count": 1, + "bytes": 10, + }, +}; + +const REPORT2 = { + "JSObject": { + "count": 11, + "bytes": 110, + }, + "js::Shape": { + "count": 51, + "bytes": 510, + }, + "JSString": { + "count": 1, + "bytes": 1, + }, + "js::BaseShape": { + "count": 1, + "bytes": 42, + }, +}; + +const EXPECTED = { + "JSObject": { + "count": 1, + "bytes": 10, + }, + "js::Shape": { + "count": 1, + "bytes": 10, + }, + "JSString": { + "count": 1, + "bytes": 1, + }, + "js::LazyScript": { + "count": -1, + "bytes": -10, + }, + "js::BaseShape": { + "count": 1, + "bytes": 42, + }, +}; + +function run_test() { + assertDiff(BREAKDOWN, REPORT1, REPORT2, EXPECTED); +} |