1 files changed, 82 insertions, 0 deletions
diff --git a/devtools/client/memory/test/unit/test_action-toggle-inverted-and-refresh-01.js b/devtools/client/memory/test/unit/test_action-toggle-inverted-and-refresh-01.js
new file mode 100644
index 000000000..cd015557d
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+++ b/devtools/client/memory/test/unit/test_action-toggle-inverted-and-refresh-01.js
@@ -0,0 +1,82 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Test that changing displays with different inverted state properly
+// refreshes the selected census.
+
+const {
+  censusDisplays,
+  snapshotState: states,
+  censusState,
+  viewState
+} = require("devtools/client/memory/constants");
+const {
+  setCensusDisplayAndRefresh
+} = require("devtools/client/memory/actions/census-display");
+const {
+  takeSnapshotAndCensus,
+  selectSnapshotAndRefresh,
+} = 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();
+  let store = Store();
+  let { getState, dispatch } = store;
+
+  dispatch(changeView(viewState.CENSUS));
+
+  // Select a non-inverted display.
+  dispatch(setCensusDisplayAndRefresh(heapWorker, censusDisplays.allocationStack));
+  equal(getState().censusDisplay.inverted, false, "not inverted by default");
+
+  dispatch(takeSnapshotAndCensus(front, heapWorker));
+  dispatch(takeSnapshotAndCensus(front, heapWorker));
+  dispatch(takeSnapshotAndCensus(front, heapWorker));
+
+  yield waitUntilCensusState(store, s => s.census, [censusState.SAVED,
+                                                    censusState.SAVED,
+                                                    censusState.SAVED]);
+  ok(true, "saved 3 snapshots and took a census of each of them");
+
+  // Select an inverted display.
+  dispatch(setCensusDisplayAndRefresh(heapWorker, censusDisplays.invertedAllocationStack));
+
+  yield waitUntilCensusState(store, s => s.census, [censusState.SAVED,
+                                                    censusState.SAVED,
+                                                    censusState.SAVING]);
+  ok(true, "toggling inverted should recompute the selected snapshot's census");
+
+  equal(getState().censusDisplay.inverted, true, "now inverted");
+
+  yield waitUntilCensusState(store, s => s.census, [censusState.SAVED,
+                                                    censusState.SAVED,
+                                                    censusState.SAVED]);
+
+  equal(getState().snapshots[0].census.display.inverted, false);
+  equal(getState().snapshots[1].census.display.inverted, false);
+  equal(getState().snapshots[2].census.display.inverted, true);
+
+  dispatch(selectSnapshotAndRefresh(heapWorker, getState().snapshots[1].id));
+  yield waitUntilCensusState(store, s => s.census, [censusState.SAVED,
+                                                    censusState.SAVING,
+                                                    censusState.SAVED]);
+  ok(true, "selecting non-inverted census should trigger a recompute");
+
+  yield waitUntilCensusState(store, s => s.census, [censusState.SAVED,
+                                                    censusState.SAVED,
+                                                    censusState.SAVED]);
+
+  equal(getState().snapshots[0].census.display.inverted, false);
+  equal(getState().snapshots[1].census.display.inverted, true);
+  equal(getState().snapshots[2].census.display.inverted, true);
+
+  heapWorker.destroy();
+  yield front.detach();
+});