90 lines
2.9 KiB
JavaScript
90 lines
2.9 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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// Test that the HeapAnalyses{Client,Worker} can get census individuals.
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function run_test() {
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run_next_test();
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}
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const COUNT = { by: "count", count: true, bytes: true };
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const CENSUS_BREAKDOWN = {
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by: "coarseType",
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objects: COUNT,
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strings: COUNT,
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scripts: COUNT,
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other: COUNT,
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};
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const LABEL_BREAKDOWN = {
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by: "internalType",
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then: COUNT,
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};
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const MAX_INDIVIDUALS = 10;
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add_task(function* () {
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const client = new HeapAnalysesClient();
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const snapshotFilePath = saveNewHeapSnapshot();
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yield client.readHeapSnapshot(snapshotFilePath);
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ok(true, "Should have read the heap snapshot");
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const dominatorTreeId = yield client.computeDominatorTree(snapshotFilePath);
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ok(true, "Should have computed dominator tree");
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const { report } = yield client.takeCensus(snapshotFilePath,
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{ breakdown: CENSUS_BREAKDOWN },
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{ asTreeNode: true });
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ok(report, "Should get a report");
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let nodesWithLeafIndicesFound = 0;
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yield* (function* assertCanGetIndividuals(censusNode) {
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if (censusNode.reportLeafIndex !== undefined) {
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nodesWithLeafIndicesFound++;
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const response = yield client.getCensusIndividuals({
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dominatorTreeId,
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indices: DevToolsUtils.isSet(censusNode.reportLeafIndex)
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? censusNode.reportLeafIndex
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: new Set([censusNode.reportLeafIndex]),
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censusBreakdown: CENSUS_BREAKDOWN,
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labelBreakdown: LABEL_BREAKDOWN,
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maxRetainingPaths: 1,
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maxIndividuals: MAX_INDIVIDUALS,
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});
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dumpn(`response = ${JSON.stringify(response, null, 4)}`);
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equal(response.nodes.length, Math.min(MAX_INDIVIDUALS, censusNode.count),
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"response.nodes.length === Math.min(MAX_INDIVIDUALS, censusNode.count)");
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let lastRetainedSize = Infinity;
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for (let individual of response.nodes) {
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equal(typeof individual.nodeId, "number",
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"individual.nodeId should be a number");
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ok(individual.retainedSize <= lastRetainedSize,
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"individual.retainedSize <= lastRetainedSize");
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lastRetainedSize = individual.retainedSize;
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ok(individual.shallowSize, "individual.shallowSize should exist and be non-zero");
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ok(individual.shortestPaths, "individual.shortestPaths should exist");
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ok(individual.shortestPaths.nodes, "individual.shortestPaths.nodes should exist");
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ok(individual.shortestPaths.edges, "individual.shortestPaths.edges should exist");
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ok(individual.label, "individual.label should exist");
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}
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}
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if (censusNode.children) {
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for (let child of censusNode.children) {
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yield* assertCanGetIndividuals(child);
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}
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}
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}(report));
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equal(nodesWithLeafIndicesFound, 4, "Should have found a leaf for each coarse type");
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client.destroy();
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});
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