browser_memory_filter_01.js

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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 ({ 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"

);

});