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// Copyright 2009 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
goog.provide('goog.dom.AbstractRangeTest');
goog.setTestOnly('goog.dom.AbstractRangeTest');
goog.require('goog.dom');
goog.require('goog.dom.AbstractRange');
goog.require('goog.dom.Range');
goog.require('goog.dom.TagName');
goog.require('goog.testing.jsunit');
function testCorrectDocument() {
var a = goog.dom.getElement('a').contentWindow;
var b = goog.dom.getElement('b').contentWindow;
a.document.body.focus();
var selection = goog.dom.AbstractRange.getBrowserSelectionForWindow(a);
assertNotNull('Selection must not be null', selection);
var range = goog.dom.Range.createFromBrowserSelection(selection);
assertEquals(
'getBrowserSelectionForWindow must return selection in the ' +
'correct document',
a.document, range.getDocument());
// This is intended to trip up Internet Explorer --
// see http://b/2048934
b.document.body.focus();
selection = goog.dom.AbstractRange.getBrowserSelectionForWindow(a);
// Some (non-IE) browsers keep a separate selection state for each document
// in the same browser window. That's fine, as long as the selection object
// requested from the window object is correctly associated with that
// window's document.
if (selection != null && selection.rangeCount != 0) {
range = goog.dom.Range.createFromBrowserSelection(selection);
assertEquals(
'getBrowserSelectionForWindow must return selection in ' +
'the correct document',
a.document, range.getDocument());
} else {
assertTrue(selection == null || selection.rangeCount == 0);
}
}
function testSelectionIsControlRange() {
var c = goog.dom.getElement('c').contentWindow;
// Only IE supports control ranges
if (c.document.body.createControlRange) {
var controlRange = c.document.body.createControlRange();
controlRange.add(
goog.dom.getElementsByTagName(goog.dom.TagName.IMG, c.document)[0]);
controlRange.select();
var selection = goog.dom.AbstractRange.getBrowserSelectionForWindow(c);
assertNotNull('Selection must not be null', selection);
}
}
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