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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 compute census diffs.
const {
diffingState,
snapshotState,
viewState,
const {
toggleDiffing,
selectSnapshotForDiffingAndRefresh,
const {
takeSnapshot,
readSnapshot,
const {
changeView,
add_task(async function () {
const front = new StubbedMemoryFront();
const heapWorker = new HeapAnalysesClient();
await front.attach();
const store = Store();
const { getState, dispatch } = store;
dispatch(changeView(viewState.CENSUS));
equal(getState().diffing, null, "not diffing by default");
const s1 = await dispatch(takeSnapshot(front, heapWorker));
const s2 = await dispatch(takeSnapshot(front, heapWorker));
const s3 = await dispatch(takeSnapshot(front, heapWorker));
dispatch(readSnapshot(heapWorker, s1));
dispatch(readSnapshot(heapWorker, s2));
dispatch(readSnapshot(heapWorker, s3));
await waitUntilSnapshotState(store, [
snapshotState.READ,
snapshotState.READ,
snapshotState.READ,
]);
dispatch(toggleDiffing());
dispatch(
selectSnapshotForDiffingAndRefresh(heapWorker, getState().snapshots[0])
);
dispatch(
selectSnapshotForDiffingAndRefresh(heapWorker, getState().snapshots[1])
);
ok(getState().diffing, "We should be diffing.");
equal(
getState().diffing.firstSnapshotId,
getState().snapshots[0].id,
"First snapshot selected."
);
equal(
getState().diffing.secondSnapshotId,
getState().snapshots[1].id,
"Second snapshot selected."
);
await waitUntilState(
store,
state => state.diffing.state === diffingState.TAKING_DIFF
);
ok(
true,
"Selecting two snapshots for diffing should trigger computing a diff."
);
await waitUntilState(
store,
state => state.diffing.state === diffingState.TOOK_DIFF
);
ok(true, "And then the diff should complete.");
ok(getState().diffing.census, "And we should have a census.");
ok(getState().diffing.census.report, "And that census should have a report.");
equal(
getState().diffing.census.display,
getState().censusDisplay,
"And that census should have the correct display"
);
equal(
getState().diffing.census.filter,
getState().filter,
"And that census should have the correct filter"
);
equal(
getState().diffing.census.display.inverted,
getState().censusDisplay.inverted,
"And that census should have the correct inversion"
);
heapWorker.destroy();
await front.detach();
});