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<html>
<head>

  <title>iron-resizable-behavior tests</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">

  <script src="../../webcomponentsjs/webcomponents-lite.js"></script>
  <script src="../../web-component-tester/browser.js"></script>
  <script src="../../test-fixture/test-fixture-mocha.js"></script>

  <link rel="import" href="../../test-fixture/test-fixture.html">
  <link rel="import" href="../iron-resizable-behavior.html">
  <link rel="import" href="test-elements.html">

</head>
<body>

<!--

Notes on Polyfill compatibility in tests:
- Test elements loaded via imports, to ensure load order correctness
  w.r.t. Polymer.mixin being availbale
- Resize notifications and asserts are done asynchronously, since
  there are timing differences w.r.t. when detached callbacks occur

-->

  <test-fixture id="TestElement">
    <template>
      <test-element></test-element>
    </template>
  </test-fixture>


  <script>

  suite('iron-resizable-behavior', function() {
    function ListenForResize(el, expectsResize) {
      var listener = function(event) {
        var target = event.path ? event.path[0] : event.target;
        pendingNotifications--;
      };

      if (expectsResize !== false) {
        pendingNotifications++;
      }

      el.addEventListener('iron-resize', listener);

      return {
        el: el,
        remove: function() {
          el.removeEventListener('iron-resize', listener);
        }
      };
    }

    function RemoveListeners(listeners) {
      listeners.forEach(function(listener) {
        listener.remove();
      });
    }

    var pendingNotifications;
    var testEl;

    setup(function() {
      pendingNotifications = 0;
      testEl = fixture('TestElement');
    });

    suite('x-resizer-parent', function() {

      test('notify resizables from window', function(done) {
        var listeners = [
          ListenForResize(testEl.$.parent),
          ListenForResize(testEl.$.child1a),
          ListenForResize(testEl.$.child1b),
          ListenForResize(testEl.$.shadow1c.$.resizable),
          ListenForResize(testEl.$.shadow1d.$.resizable)
        ];

        setTimeout(function() {
          try {
            window.dispatchEvent(new CustomEvent('resize', { bubbles: false }));

            expect(pendingNotifications).to.be.eql(0);

            RemoveListeners(listeners);

            done();
          } catch (e) {
            done(e);
          }
        }, 0);
      });

      test('notify resizables from parent', function(done) {
        var listeners = [
          ListenForResize(testEl.$.parent),
          ListenForResize(testEl.$.child1a),
          ListenForResize(testEl.$.child1b),
          ListenForResize(testEl.$.shadow1c.$.resizable),
          ListenForResize(testEl.$.shadow1d.$.resizable)
        ];

        setTimeout(function() {
          try {
            testEl.$.parent.notifyResize();
            expect(pendingNotifications).to.be.eql(0);
            RemoveListeners(listeners);
            done();
          } catch (e) {
            done(e);
          }
        }, 0);
      });

      test('detach resizables then notify parent', function(done) {
        var listeners = [
          ListenForResize(testEl.$.parent),
          ListenForResize(testEl.$.child1a, false),
          ListenForResize(testEl.$.child1b),
          ListenForResize(testEl.$.shadow1c.$.resizable, false),
          ListenForResize(testEl.$.shadow1d.$.resizable)
        ];

        var el = Polymer.dom(testEl.root).querySelector('#child1a');

        el.parentNode.removeChild(el);
        el = Polymer.dom(testEl.root).querySelector('#shadow1c');
        el.parentNode.removeChild(el);

        setTimeout(function() {
          try {
            testEl.$.parent.notifyResize();
            expect(pendingNotifications).to.be.eql(0);
            RemoveListeners(listeners);
            done();
          } catch (e) {
            done(e);
          }
        }, 0);
      });

      test('detach parent then notify window', function(done) {
        var listeners = [
          ListenForResize(testEl.$.parent, false),
          ListenForResize(testEl.$.child1a, false),
          ListenForResize(testEl.$.child1b, false),
          ListenForResize(testEl.$.shadow1c.$.resizable, false),
          ListenForResize(testEl.$.shadow1d.$.resizable, false)
        ];

        var el = Polymer.dom(testEl.root).querySelector('#parent');

        el.parentNode.removeChild(el);

        setTimeout(function() {
          try {
            window.dispatchEvent(new CustomEvent('resize', { bubbles: false }));
            expect(pendingNotifications).to.be.eql(0);
            RemoveListeners(listeners);
            done();
          } catch (e) {
            done(e);
          }
        }, 0);
      });

    });

    suite('x-resizer-parent-filtered', function() {

      test('notify resizables from window', function(done) {
        var listeners = [
          ListenForResize(testEl.$.parentFiltered),
          ListenForResize(testEl.$.child2a),
          ListenForResize(testEl.$.child2b, false),
          ListenForResize(testEl.$.shadow2c.$.resizable, false),
          ListenForResize(testEl.$.shadow2d.$.resizable, false)
        ];

        testEl.$.parentFiltered.active = testEl.$.child2a;

        setTimeout(function() {
          try {
            window.dispatchEvent(new CustomEvent('resize', { bubbles: false }));
            expect(pendingNotifications).to.be.eql(0);
            RemoveListeners(listeners);
            done();
          } catch (e) {
            done(e);
          }
        }, 0);
      });

      test('notify resizables from parent', function(done) {
        var listeners = [
          ListenForResize(testEl.$.parentFiltered),
          ListenForResize(testEl.$.child2a),
          ListenForResize(testEl.$.child2b, false),
          ListenForResize(testEl.$.shadow2c.$.resizable, false),
          ListenForResize(testEl.$.shadow2d.$.resizable, false)
        ];

        testEl.$.parentFiltered.active = testEl.$.child2a;

        setTimeout(function() {
          try {
            testEl.$.parentFiltered.notifyResize();
            expect(pendingNotifications).to.be.eql(0);
            RemoveListeners(listeners);
            done();
          } catch (e) {
            done(e);
          }
        }, 0);
      });

      test('detach resizables then notify parent', function(done) {
        var listeners = [
          ListenForResize(testEl.$.parentFiltered),
          ListenForResize(testEl.$.child2a, false),
          ListenForResize(testEl.$.child2b, false),
          ListenForResize(testEl.$.shadow2c.$.resizable, false),
          ListenForResize(testEl.$.shadow2d.$.resizable)
        ];

        var el = Polymer.dom(testEl.root).querySelector('#child2a');
        el.parentNode.removeChild(el);
        el = Polymer.dom(testEl.root).querySelector('#shadow2c');
        el.parentNode.removeChild(el);

        testEl.$.parentFiltered.active = testEl.$.shadow2d.$.resizable;

        setTimeout(function() {
          try {
            testEl.$.parentFiltered.notifyResize();
            expect(pendingNotifications).to.be.eql(0);
            RemoveListeners(listeners);
            done();
          } catch (e) {
            done(e);
          }
        }, 0);
      });
    });
  });
  </script>
</body>
</html>