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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
// 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("devtools/client/memory/constants");
const {
takeSnapshotAndCensus,
} = require("devtools/client/memory/actions/snapshot");
const {
changeView
} = require("devtools/client/memory/actions/view");
function run_test() {
run_next_test();
}
add_task(function* () {
let front = new StubbedMemoryFront();
let heapWorker = new HeapAnalysesClient();
yield front.attach();
for (let intermediateSnapshotState of [states.SAVING,
states.READING,
states.READ]) {
dumpn(`Testing switching to the DOMINATOR_TREE view in the middle of the ${intermediateSnapshotState} snapshot state`);
let store = Store();
let { getState, dispatch } = store;
dispatch(takeSnapshotAndCensus(front, heapWorker));
yield 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.
yield 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.
yield 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.
yield 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();
yield front.detach();
});
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