/* 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";

// Tests that the rule-view displays correctly on MathML elements

const TEST_URL = [
  "data:text/html;charset=utf-8,",
  "<div>",
  "  <math xmlns=\"http://www.w3.org/1998/Math/MathML\">",
  "    <mfrac>",
  "      <msubsup>",
  "        <mi>a</mi>",
  "        <mi>i</mi>",
  "        <mi>j</mi>",
  "      </msubsup>",
  "      <msub>",
  "        <mi>x</mi>",
  "        <mn>0</mn>",
  "      </msub>",
  "    </mfrac>",
  "  </math>",
  "</div>"
].join("");

add_task(function*() {
  yield addTab(TEST_URL);
  let {toolbox, inspector, view} = yield openRuleView();

  info("Select the DIV node and verify the rule-view shows rules");
  yield selectNode("div", inspector);
  ok(view.element.querySelectorAll(".ruleview-rule").length,
    "The rule-view shows rules for the div element");

  info("Select various MathML nodes and verify the rule-view is empty");
  yield selectNode("math", inspector);
  ok(!view.element.querySelectorAll(".ruleview-rule").length,
    "The rule-view is empty for the math element");

  yield selectNode("msubsup", inspector);
  ok(!view.element.querySelectorAll(".ruleview-rule").length,
    "The rule-view is empty for the msubsup element");

  yield selectNode("mn", inspector);
  ok(!view.element.querySelectorAll(".ruleview-rule").length,
    "The rule-view is empty for the mn element");

  info("Select again the DIV node and verify the rule-view shows rules");
  yield selectNode("div", inspector);
  ok(view.element.querySelectorAll(".ruleview-rule").length,
    "The rule-view shows rules for the div element");
});