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Test Info: Warnings
- This test gets skipped with pattern: os == 'android'
- Manifest: devtools/client/memory/test/xpcshell/xpcshell.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test that we can compute and fetch the dominator tree for a snapshot.
const {
dominatorTreeState,
treeMapState,
const {
takeSnapshotAndCensus,
computeAndFetchDominatorTree,
add_task(async function () {
const front = new StubbedMemoryFront();
const heapWorker = new HeapAnalysesClient();
await front.attach();
const store = Store();
const { getState, dispatch } = store;
dispatch(takeSnapshotAndCensus(front, heapWorker));
await waitUntilCensusState(store, s => s.treeMap, [treeMapState.SAVED]);
ok(
!getState().snapshots[0].dominatorTree,
"There shouldn't be a dominator tree model yet since it is not computed " +
"until we switch to the dominators view."
);
// Change to the dominator tree view.
dispatch(
computeAndFetchDominatorTree(heapWorker, getState().snapshots[0].id)
);
ok(
getState().snapshots[0].dominatorTree,
"Should now have a dominator tree model for the selected snapshot"
);
// Wait for the dominator tree to start being computed.
await waitUntilState(
store,
state =>
state.snapshots[0].dominatorTree.state === dominatorTreeState.COMPUTING
);
ok(true, "The dominator tree started computing");
ok(
!getState().snapshots[0].dominatorTree.root,
"When the dominator tree is computing, we should not have its root"
);
// Wait for the dominator tree to finish computing and start being fetched.
await waitUntilState(
store,
state =>
state.snapshots[0].dominatorTree.state === dominatorTreeState.FETCHING
);
ok(true, "The dominator tree started fetching");
ok(
!getState().snapshots[0].dominatorTree.root,
"When the dominator tree is fetching, we should not have its root"
);
// Wait for the dominator tree to finish being fetched.
await waitUntilState(
store,
state =>
state.snapshots[0].dominatorTree.state === dominatorTreeState.LOADED
);
ok(true, "The dominator tree was fetched");
ok(
getState().snapshots[0].dominatorTree.root,
"When the dominator tree is loaded, we should have its root"
);
heapWorker.destroy();
await front.detach();
});