remoting.WindowShape clean up.

remoting/webapp/base/js/window_shape_unittest.js

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+(function() {
+
+'use strict';
+
+/** @type {remoting.WindowShape} */
+var windowShape;
+/** @type {HTMLElement} */
+var elementToPosition;
+/** @type {sinon.TestStub} */
+var currentWindowStub;
+/** @type {sinon.TestStub} */
+var isAppsV2Stub;
+
+QUnit.module('WindowShape', {
+  beforeEach: function() {
+    windowShape = new remoting.WindowShape();
+    elementToPosition =
+        /** @type {HTMLElement} */ (document.createElement('div'));
+    sinon.stub(elementToPosition, 'getBoundingClientRect')
+         .returns({left: -50, top: -50, width: 50, height: 50});
+
+    isAppsV2Stub = sinon.stub(base, 'isAppsV2', function() { return true; });
+    currentWindowStub = sinon.stub(chrome.app.window, 'current', function() {
+      return {
+        setShape: base.doNothing
+      };
+    });
+  },
+  afterEach: function() {
+    windowShape = null;
+    elementToPosition = null;
+    currentWindowStub.restore();
+    isAppsV2Stub.restore();
+  }
+});
+
+QUnit.test('centerToDesktop() handles no desktop window',
+  function(assert) {
+    var originalInnerWidth = window.innerWidth;
+    var originalInnerHeight = window.innerHeight;
+    window.innerHeight = 100;
+    window.innerWidth = 100;
+
+    windowShape.centerToDesktop(elementToPosition);
+    assert.equal(elementToPosition.style.left, '25px');
+    assert.equal(elementToPosition.style.top, '25px');
+
+    window.innerWidth = originalInnerWidth;
+    window.innerHeight = originalInnerHeight;
+});
+
+QUnit.test('centerToDesktop() handles single desktop window',
+  function(assert) {
+    windowShape.setDesktopRects([{left: 0, width: 100, top: 0, height: 100}]);
+    windowShape.centerToDesktop(elementToPosition);
+    assert.equal(elementToPosition.style.left, '25px');
+    assert.equal(elementToPosition.style.top, '25px');
+});
+
+QUnit.test('centerToDesktop() handles multiple desktop window',
+  function(assert) {
+    windowShape.setDesktopRects([
+      {left: 0, width: 10, top: 0, height: 10},
+      {left: 90, width: 10, top: 90, height: 10}
+    ]);
+
+    windowShape.centerToDesktop(elementToPosition);
+    assert.equal(elementToPosition.style.left, '25px');
+    assert.equal(elementToPosition.style.top, '25px');
+});
+
+})();