Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 92 insertions, 0 deletions

diff --git a/devtools/client/memory/test/xpcshell/test_dominator_trees_09.js b/devtools/client/memory/test/xpcshell/test_dominator_trees_09.js
new file mode 100644
index 0000000000..b87964970e
--- /dev/null
+++ b/devtools/client/memory/test/xpcshell/test_dominator_trees_09.js
@@ -0,0 +1,92 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test that we can change the display with which we describe a dominator tree
+// while the dominator tree is in the middle of being fetched.
+
+const {
+  dominatorTreeState,
+  viewState,
+  labelDisplays,
+  treeMapState,
+} = require("resource://devtools/client/memory/constants.js");
+const {
+  setLabelDisplayAndRefresh,
+} = require("resource://devtools/client/memory/actions/label-display.js");
+const {
+  changeView,
+} = require("resource://devtools/client/memory/actions/view.js");
+const {
+  takeSnapshotAndCensus,
+} = require("resource://devtools/client/memory/actions/snapshot.js");
+
+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.DOMINATOR_TREE));
+
+  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."
+  );
+
+  // Wait for the dominator tree to start fetching.
+  await waitUntilState(
+    store,
+    state =>
+      state.snapshots[0] &&
+      state.snapshots[0].dominatorTree &&
+      state.snapshots[0].dominatorTree.state === dominatorTreeState.FETCHING
+  );
+
+  ok(
+    getState().labelDisplay,
+    "We have a default display for describing nodes in a dominator tree"
+  );
+  equal(
+    getState().labelDisplay,
+    labelDisplays.coarseType,
+    "and the default is coarse type"
+  );
+  equal(
+    getState().labelDisplay,
+    getState().snapshots[0].dominatorTree.display,
+    "and the newly computed dominator tree has that display"
+  );
+
+  // Switch to the allocationStack display while we are still fetching the
+  // dominator tree.
+  dispatch(
+    setLabelDisplayAndRefresh(heapWorker, labelDisplays.allocationStack)
+  );
+
+  // Wait for the dominator tree to finish being fetched.
+  await waitUntilState(
+    store,
+    state =>
+      state.snapshots[0].dominatorTree.state === dominatorTreeState.LOADED
+  );
+
+  equal(
+    getState().snapshots[0].dominatorTree.display,
+    labelDisplays.allocationStack,
+    "The new dominator tree's display is allocationStack"
+  );
+  equal(
+    getState().labelDisplay,
+    labelDisplays.allocationStack,
+    "as is our requested dominator tree display"
+  );
+
+  heapWorker.destroy();
+  await front.detach();
+});