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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test that selecting the dominator tree view while in the middle of taking a
// snapshot properly kicks off fetching and computing dominator trees.
const {
snapshotState: states,
dominatorTreeState,
viewState,
} = require("resource://devtools/client/memory/constants.js");
const {
takeSnapshotAndCensus,
} = require("resource://devtools/client/memory/actions/snapshot.js");
const {
changeView,
} = require("resource://devtools/client/memory/actions/view.js");
add_task(async function () {
const front = new StubbedMemoryFront();
const heapWorker = new HeapAnalysesClient();
await front.attach();
for (const intermediateSnapshotState of [
states.SAVING,
states.READING,
states.READ,
]) {
dumpn(
"Testing switching to the DOMINATOR_TREE view in the middle of the " +
`${intermediateSnapshotState} snapshot state`
);
const store = Store();
const { getState, dispatch } = store;
dispatch(takeSnapshotAndCensus(front, heapWorker));
await waitUntilSnapshotState(store, [intermediateSnapshotState]);
dispatch(changeView(viewState.DOMINATOR_TREE));
equal(
getState().view.state,
viewState.DOMINATOR_TREE,
"We should now be in the DOMINATOR_TREE view"
);
// Wait for the dominator tree to start being computed.
await waitUntilState(
store,
state => state.snapshots[0] && state.snapshots[0].dominatorTree
);
equal(
getState().snapshots[0].dominatorTree.state,
dominatorTreeState.COMPUTING,
"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();
});
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