diff options
Diffstat (limited to 'dom/heapsnapshot/tests/unit/test_census_diff_05.js')
-rw-r--r-- | dom/heapsnapshot/tests/unit/test_census_diff_05.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/dom/heapsnapshot/tests/unit/test_census_diff_05.js b/dom/heapsnapshot/tests/unit/test_census_diff_05.js new file mode 100644 index 000000000..b6d99f823 --- /dev/null +++ b/dom/heapsnapshot/tests/unit/test_census_diff_05.js @@ -0,0 +1,34 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +// Test diffing census reports of breakdown by "allocationStack". + +const BREAKDOWN = { + by: "allocationStack", + then: { by: "count", count: true, bytes: true }, + noStack: { by: "count", count: true, bytes: true }, +}; + +const stack1 = saveStack(); +const stack2 = saveStack(); +const stack3 = saveStack(); + +const REPORT1 = new Map([ + [stack1, { "count": 10, "bytes": 100 }], + [stack2, { "count": 1, "bytes": 10 }], +]); + +const REPORT2 = new Map([ + [stack2, { "count": 10, "bytes": 100 }], + [stack3, { "count": 1, "bytes": 10 }], +]); + +const EXPECTED = new Map([ + [stack1, { "count": -10, "bytes": -100 }], + [stack2, { "count": 9, "bytes": 90 }], + [stack3, { "count": 1, "bytes": 10 }], +]); + +function run_test() { + assertDiff(BREAKDOWN, REPORT1, REPORT2, EXPECTED); +} |