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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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59
devtools/shared/heapsnapshot/tests/unit/test_HeapAnalyses_takeCensusDiff_02.js Normal file
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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
// Test that the HeapAnalyses{Client,Worker} can take diffs between censuses as
// inverted trees.
function run_test() {
run_next_test();
}
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 },
},
};
add_task(function* () {
const firstSnapshotFilePath = saveNewHeapSnapshot();
const secondSnapshotFilePath = saveNewHeapSnapshot();
const client = new HeapAnalysesClient();
yield client.readHeapSnapshot(firstSnapshotFilePath);
yield client.readHeapSnapshot(secondSnapshotFilePath);
ok(true, "Should have read both heap snapshot files");
const { delta } = yield client.takeCensusDiff(firstSnapshotFilePath,
secondSnapshotFilePath,
{ breakdown: BREAKDOWN });
const { delta: deltaTreeNode } = yield 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();
});