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Diffstat (limited to '')
-rw-r--r-- | devtools/shared/heapsnapshot/tests/xpcshell/test_getCensusIndividuals_01.js | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/devtools/shared/heapsnapshot/tests/xpcshell/test_getCensusIndividuals_01.js b/devtools/shared/heapsnapshot/tests/xpcshell/test_getCensusIndividuals_01.js new file mode 100644 index 0000000000..6963f3f33a --- /dev/null +++ b/devtools/shared/heapsnapshot/tests/xpcshell/test_getCensusIndividuals_01.js @@ -0,0 +1,60 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ +"use strict"; + +// Test basic functionality of `CensusUtils.getCensusIndividuals`. + +function run_test() { + const stack1 = saveStack(1); + const stack2 = saveStack(1); + const stack3 = saveStack(1); + + const COUNT = { by: "count", count: true, bytes: true }; + const INTERNAL_TYPE = { by: "internalType", then: COUNT }; + + const BREAKDOWN = { + by: "allocationStack", + then: INTERNAL_TYPE, + noStack: INTERNAL_TYPE, + }; + + const MOCK_SNAPSHOT = { + takeCensus: ({ breakdown }) => { + assertStructurallyEquivalent( + breakdown, + CensusUtils.countToBucketBreakdown(BREAKDOWN) + ); + + // DFS Index + // prettier-ignore + return new Map([ // 0 + [stack1, { // 1 + JSObject: [101, 102, 103], // 2 + JSString: [111, 112, 113], // 3 + }], + [stack2, { // 4 + JSObject: [201, 202, 203], // 5 + JSString: [211, 212, 213], // 6 + }], + [stack3, { // 7 + JSObject: [301, 302, 303], // 8 + JSString: [311, 312, 313], // 9 + }], + ["noStack", { // 10 + JSObject: [401, 402, 403], // 11 + JSString: [411, 412, 413], // 12 + }], + ]); + }, + }; + + const INDICES = new Set([3, 5, 9]); + + const EXPECTED = new Set([111, 112, 113, 201, 202, 203, 311, 312, 313]); + + const actual = new Set( + CensusUtils.getCensusIndividuals(INDICES, BREAKDOWN, MOCK_SNAPSHOT) + ); + + assertStructurallyEquivalent(EXPECTED, actual); +} |