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Diffstat (limited to '')
-rw-r--r-- | devtools/shared/heapsnapshot/tests/xpcshell/test_census_diff_01.js | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/devtools/shared/heapsnapshot/tests/xpcshell/test_census_diff_01.js b/devtools/shared/heapsnapshot/tests/xpcshell/test_census_diff_01.js new file mode 100644 index 0000000000..c90b34af70 --- /dev/null +++ b/devtools/shared/heapsnapshot/tests/xpcshell/test_census_diff_01.js @@ -0,0 +1,75 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ +"use strict"; + +// 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); +} |