/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

// Check expanding/collapsing maps and sets in the console.
const TEST_URI = "data:text/html;charset=utf8,<h1>Object Inspector on Maps & Sets</h1>";
const {ELLIPSIS} = require("devtools/shared/l10n");

add_task(async function () {
  const hud = await openNewTabAndConsole(TEST_URI);
  const store = hud.ui.newConsoleOutput.getStore();
  // Adding logging each time the store is modified in order to check
  // the store state in case of failure.
  store.subscribe(() => {
    const messages = store.getState().messages.messagesById
      .reduce(function (res, {id, type, parameters, messageText}) {
        res.push({id, type, parameters, messageText});
        return res;
      }, []);
    info("messages : " + JSON.stringify(messages));
  });

  await ContentTask.spawn(gBrowser.selectedBrowser, null, function () {
    content.wrappedJSObject.console.log(
      "oi-entries-test",
      new Map(
        Array.from({length: 20}).map((el, i) => [Symbol(i),  i])
      ),
      new Map(
        Array.from({length: 331}).map((el, i) => [Symbol(i),  i])
      ),
      new Set(Array.from({length: 20}).map((el, i) => i)),
      new Set(Array.from({length: 222}).map((el, i) => i)),
    );
  });

  let node = await waitFor(() => findMessage(hud, "oi-entries-test"));
  const objectInspectors = [...node.querySelectorAll(".tree")];
  is(objectInspectors.length, 4, "There is the expected number of object inspectors");

  const [
    mapOi,
    largeMapOi,
    setOi,
    largeSetOi,
  ] = objectInspectors;

  await testMap(mapOi);
  await testLargeMap(largeMapOi);
  await testSet(setOi);
  await testLargeSet(largeSetOi);
});

async function testMap(oi) {
  info("Expanding the Map");
  let onMapOiMutation = waitForNodeMutation(oi, {
    childList: true
  });

  oi.querySelector(".arrow").click();
  await onMapOiMutation;

  ok(oi.querySelector(".arrow").classList.contains("expanded"),
    "The arrow of the node has the expected class after clicking on it");

  let oiNodes = oi.querySelectorAll(".node");
  // There are 4 nodes: the root, size, entries and the proto.
  is(oiNodes.length, 4, "There is the expected number of nodes in the tree");

  info("Expanding the <entries> leaf of the map");
  let entriesNode = oiNodes[2];
  is(entriesNode.textContent, "<entries>", "There is the expected <entries> node");
  onMapOiMutation = waitForNodeMutation(oi, {
    childList: true
  });

  entriesNode.querySelector(".arrow").click();
  await onMapOiMutation;

  oiNodes = oi.querySelectorAll(".node");
  // There are now 24 nodes, the 4 original ones, and the 20 entries.
  is(oiNodes.length, 24, "There is the expected number of nodes in the tree");
}

async function testLargeMap(oi) {
  info("Expanding the large map");
  let onMapOiMutation = waitForNodeMutation(oi, {
    childList: true
  });

  oi.querySelector(".arrow").click();
  await onMapOiMutation;

  ok(oi.querySelector(".arrow").classList.contains("expanded"),
    "The arrow of the node has the expected class after clicking on it");

  let oiNodes = oi.querySelectorAll(".node");
  // There are 4 nodes: the root, size, entries and the proto.
  is(oiNodes.length, 4, "There is the expected number of nodes in the tree");

  info("Expanding the <entries> leaf of the map");
  let entriesNode = oiNodes[2];
  is(entriesNode.textContent, "<entries>", "There is the expected <entries> node");
  onMapOiMutation = waitForNodeMutation(oi, {
    childList: true
  });

  entriesNode.querySelector(".arrow").click();
  await onMapOiMutation;

  oiNodes = oi.querySelectorAll(".node");
  // There are now 8 nodes, the 4 original ones, and the 4 buckets.
  is(oiNodes.length, 8, "There is the expected number of nodes in the tree");
  is(oiNodes[3].textContent, `[0${ELLIPSIS}99]`);
  is(oiNodes[4].textContent, `[100${ELLIPSIS}199]`);
  is(oiNodes[5].textContent, `[200${ELLIPSIS}299]`);
  is(oiNodes[6].textContent, `[300${ELLIPSIS}330]`);
}

async function testSet(oi) {
  info("Expanding the Set");
  let onSetOiMutation = waitForNodeMutation(oi, {
    childList: true
  });

  oi.querySelector(".arrow").click();
  await onSetOiMutation;

  ok(oi.querySelector(".arrow").classList.contains("expanded"),
    "The arrow of the node has the expected class after clicking on it");

  let oiNodes = oi.querySelectorAll(".node");
  // There are 4 nodes: the root, size, entries and the proto.
  is(oiNodes.length, 4, "There is the expected number of nodes in the tree");

  info("Expanding the <entries> leaf of the Set");
  let entriesNode = oiNodes[2];
  is(entriesNode.textContent, "<entries>", "There is the expected <entries> node");
  onSetOiMutation = waitForNodeMutation(oi, {
    childList: true
  });

  entriesNode.querySelector(".arrow").click();
  await onSetOiMutation;

  oiNodes = oi.querySelectorAll(".node");
  // There are now 24 nodes, the 4 original ones, and the 20 entries.
  is(oiNodes.length, 24, "There is the expected number of nodes in the tree");
}

async function testLargeSet(oi) {
  info("Expanding the large Set");
  let onSetOiMutation = waitForNodeMutation(oi, {
    childList: true
  });

  oi.querySelector(".arrow").click();
  await onSetOiMutation;

  ok(oi.querySelector(".arrow").classList.contains("expanded"),
    "The arrow of the node has the expected class after clicking on it");

  let oiNodes = oi.querySelectorAll(".node");
  // There are 4 nodes: the root, size, entries and the proto.
  is(oiNodes.length, 4, "There is the expected number of nodes in the tree");

  info("Expanding the <entries> leaf of the Set");
  let entriesNode = oiNodes[2];
  is(entriesNode.textContent, "<entries>", "There is the expected <entries> node");
  onSetOiMutation = waitForNodeMutation(oi, {
    childList: true
  });

  entriesNode.querySelector(".arrow").click();
  await onSetOiMutation;

  oiNodes = oi.querySelectorAll(".node");
  // There are now 7 nodes, the 4 original ones, and the 3 buckets.
  is(oiNodes.length, 7, "There is the expected number of nodes in the tree");
  is(oiNodes[3].textContent, `[0${ELLIPSIS}99]`);
  is(oiNodes[4].textContent, `[100${ELLIPSIS}199]`);
  is(oiNodes[5].textContent, `[200${ELLIPSIS}221]`);
}
