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/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

// Sanity test that we can show allocation stack displays in the tree.

"use strict";

const {
  dominatorTreeState,
  viewState,
} = require("resource://devtools/client/memory/constants.js");
const {
  changeViewAndRefresh,
  changeView,
} = require("resource://devtools/client/memory/actions/view.js");

const TEST_URL =
  "http://example.com/browser/devtools/client/memory/test/browser/doc_steady_allocation.html";

this.test = makeMemoryTest(TEST_URL, async function ({ tab, panel }) {
  const heapWorker = panel.panelWin.gHeapAnalysesClient;
  const store = panel.panelWin.gStore;
  const { dispatch } = store;
  const doc = panel.panelWin.document;

  dispatch(changeView(viewState.CENSUS));

  const takeSnapshotButton = doc.getElementById("take-snapshot");
  EventUtils.synthesizeMouseAtCenter(takeSnapshotButton, {}, panel.panelWin);

  await waitUntilState(
    store,
    state =>
      state.snapshots.length === 1 &&
      state.snapshots[0].census &&
      state.snapshots[0].census.state === censusState.SAVING
  );

  let filterInput = doc.getElementById("filter");
  EventUtils.synthesizeMouseAtCenter(filterInput, {}, panel.panelWin);
  EventUtils.sendString("js::Shape", panel.panelWin);

  await waitUntilState(
    store,
    state =>
      state.snapshots.length === 1 &&
      state.snapshots[0].census &&
      state.snapshots[0].census.state === censusState.SAVING
  );
  ok(true, "adding a filter string should trigger census recompute");

  await waitUntilState(
    store,
    state =>
      state.snapshots.length === 1 &&
      state.snapshots[0].census &&
      state.snapshots[0].census.state === censusState.SAVED
  );

  let nameElem = doc.querySelector(".heap-tree-item-field.heap-tree-item-name");
  ok(nameElem, "Should get a tree item row with a name");
  is(
    nameElem.textContent.trim(),
    "js::Shape",
    "the tree item should be the one we filtered for"
  );
  is(
    filterInput.value,
    "js::Shape",
    "and filter input contains the user value"
  );

  // Now switch the dominator view, then switch back to census view
  // and check that the filter word is still correctly applied
  dispatch(changeViewAndRefresh(viewState.DOMINATOR_TREE, heapWorker));
  ok(true, "change view to dominator tree");

  // Wait for the dominator tree to be computed and fetched.
  await waitUntilDominatorTreeState(store, [dominatorTreeState.LOADED]);
  ok(true, "computed and fetched the dominator tree.");

  dispatch(changeViewAndRefresh(viewState.CENSUS, heapWorker));
  ok(true, "change view back to census");

  await waitUntilState(
    store,
    state =>
      state.snapshots.length === 1 &&
      state.snapshots[0].census &&
      state.snapshots[0].census.state === censusState.SAVED
  );

  nameElem = doc.querySelector(".heap-tree-item-field.heap-tree-item-name");
  filterInput = doc.getElementById("filter");

  ok(nameElem, "Should still get a tree item row with a name");
  is(
    nameElem.textContent.trim(),
    "js::Shape",
    "the tree item should still be the one we filtered for"
  );
  is(
    filterInput.value,
    "js::Shape",
    "and filter input still contains the user value"
  );
});