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Diffstat (limited to '')
-rw-r--r-- | devtools/shared/heapsnapshot/tests/xpcshell/test_HeapAnalyses_deleteHeapSnapshot_03.js | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/devtools/shared/heapsnapshot/tests/xpcshell/test_HeapAnalyses_deleteHeapSnapshot_03.js b/devtools/shared/heapsnapshot/tests/xpcshell/test_HeapAnalyses_deleteHeapSnapshot_03.js new file mode 100644 index 0000000000..c84622f633 --- /dev/null +++ b/devtools/shared/heapsnapshot/tests/xpcshell/test_HeapAnalyses_deleteHeapSnapshot_03.js @@ -0,0 +1,60 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ +"use strict"; + +// Test other dominatorTrees can still be retrieved after deleting a snapshot + +const breakdown = { + by: "coarseType", + objects: { by: "count", count: true, bytes: true }, + scripts: { by: "count", count: true, bytes: true }, + strings: { by: "count", count: true, bytes: true }, + other: { by: "count", count: true, bytes: true }, + domNode: { by: "count", count: true, bytes: true }, +}; + +async function createSnapshotAndDominatorTree(client) { + const snapshotFilePath = saveNewHeapSnapshot(); + await client.readHeapSnapshot(snapshotFilePath); + const dominatorTreeId = await client.computeDominatorTree(snapshotFilePath); + return { dominatorTreeId, snapshotFilePath }; +} + +add_task(async function () { + const client = new HeapAnalysesClient(); + + const savedSnapshots = [ + await createSnapshotAndDominatorTree(client), + await createSnapshotAndDominatorTree(client), + await createSnapshotAndDominatorTree(client), + ]; + ok(true, "Create 3 snapshots and dominator trees"); + + await client.deleteHeapSnapshot(savedSnapshots[1].snapshotFilePath); + ok(true, "Snapshot deleted"); + + let tree = await client.getDominatorTree({ + dominatorTreeId: savedSnapshots[0].dominatorTreeId, + breakdown, + }); + ok(tree, "Should get a valid tree for first snapshot"); + + let threw = false; + try { + await client.getDominatorTree({ + dominatorTreeId: savedSnapshots[1].dominatorTreeId, + breakdown, + }); + } catch (_) { + threw = true; + } + ok(threw, "getDominatorTree on a deleted snapshot should throw an error"); + + tree = await client.getDominatorTree({ + dominatorTreeId: savedSnapshots[2].dominatorTreeId, + breakdown, + }); + ok(tree, "Should get a valid tree for third snapshot"); + + client.destroy(); +}); |