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Test Info: Warnings
- This test gets skipped with pattern: os == 'android'
- Manifest: devtools/shared/heapsnapshot/tests/xpcshell/xpcshell.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test that the HeapAnalyses{Client,Worker} can take diffs between censuses as
// inverted trees.
const BREAKDOWN = {
by: "coarseType",
objects: {
by: "objectClass",
then: { by: "count", count: true, bytes: true },
other: { by: "count", count: true, bytes: true },
},
scripts: {
by: "internalType",
then: { by: "count", count: true, bytes: true },
},
strings: {
by: "internalType",
then: { by: "count", count: true, bytes: true },
},
other: {
by: "internalType",
then: { by: "count", count: true, bytes: true },
},
domNode: {
by: "descriptiveType",
then: { by: "count", count: true, bytes: true },
},
};
add_task(async function () {
const firstSnapshotFilePath = saveNewHeapSnapshot();
const secondSnapshotFilePath = saveNewHeapSnapshot();
const client = new HeapAnalysesClient();
await client.readHeapSnapshot(firstSnapshotFilePath);
await client.readHeapSnapshot(secondSnapshotFilePath);
ok(true, "Should have read both heap snapshot files");
const { delta } = await client.takeCensusDiff(
firstSnapshotFilePath,
secondSnapshotFilePath,
{ breakdown: BREAKDOWN }
);
const { delta: deltaTreeNode } = await client.takeCensusDiff(
firstSnapshotFilePath,
secondSnapshotFilePath,
{ breakdown: BREAKDOWN },
{ asInvertedTreeNode: true }
);
// Have to manually set these because symbol properties aren't structured
// cloned.
delta[CensusUtils.basisTotalBytes] = deltaTreeNode.totalBytes;
delta[CensusUtils.basisTotalCount] = deltaTreeNode.totalCount;
compareCensusViewData(BREAKDOWN, delta, deltaTreeNode, { invert: true });
client.destroy();
});