/*!
 * VisualEditor FlatLinearData tests.
 *
 * @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
 * @license The MIT License (MIT); see LICENSE.txt
 */

QUnit.module( 've.dm.FlatLinearData' );

/* Tests */

QUnit.test( 'getType/isOpenElementData/isCloseElementData', function ( assert ) {
	var i,
		data = new ve.dm.FlatLinearData( new ve.dm.IndexValueStore(), [
			{ 'type': 'paragraph' },
			'a', ['b',[0]],
			{ 'type': '/paragraph' },
		] ),
		types = ['paragraph', undefined, undefined, 'paragraph'],
		isOpen = [0],
		isClose = [3];

	QUnit.expect( data.getLength() * 3 );
	for ( i = 0; i < data.getLength(); i++ ) {
		assert.equal( data.getType( i ), types[i], 'Type at offset ' + i );
		assert.equal( data.isOpenElementData( i ), ve.indexOf( i, isOpen ) !== -1, 'isOpen ' + i );
		assert.equal( data.isCloseElementData( i ), ve.indexOf( i, isClose ) !== -1, 'isClose ' + i );
	}
} );

QUnit.test( 'isElementData', 1, function ( assert ) {
	var i,
		data = new ve.dm.FlatLinearData( new ve.dm.IndexValueStore(), [
			{ 'type': 'heading' },
			'a',
			{ 'type': 'image' },
			{ 'type': '/image' },
			'b',
			'c',
			{ 'type': '/heading' },
			{ 'type': 'paragraph' },
			{ 'type': '/paragraph' },
			{ 'type': 'preformatted' },
			{ 'type': 'image' },
			{ 'type': '/image' },
			{ 'type': '/preformatted' },
			{ 'type': 'list' },
			{ 'type': 'listItem' },
			{ 'type': '/listItem' },
			{ 'type': '/list' },
			{ 'type': 'alienBlock' },
			{ 'type': '/alienBlock' }
		] ),
		cases = [
			{ 'msg': 'left of document', 'expected': true },
			{ 'msg': 'begining of content branch', 'expected': false },
			{ 'msg': 'left of non-text inline leaf', 'expected': true },
			{ 'msg': 'inside non-text inline leaf', 'expected': true },
			{ 'msg': 'right of non-text inline leaf', 'expected': false },
			{ 'msg': 'between characters', 'expected': false },
			{ 'msg': 'end of content branch', 'expected': true },
			{ 'msg': 'between content branches', 'expected': true },
			{ 'msg': 'inside emtpy content branch', 'expected': true },
			{ 'msg': 'between content branches', 'expected': true },
			{ 'msg': 'begining of content branch, left of inline leaf', 'expected': true },
			{ 'msg': 'inside content branch with non-text leaf', 'expected': true },
			{ 'msg': 'end of content branch, right of inline leaf', 'expected': true },
			{ 'msg': 'between content, non-content branches', 'expected': true },
			{ 'msg': 'between parent, child branches, descending', 'expected': true },
			{ 'msg': 'inside empty non-content branch', 'expected': true },
			{ 'msg': 'between parent, child branches, ascending', 'expected': true },
			{ 'msg': 'between non-content branch, non-content leaf', 'expected': true },
			{ 'msg': 'inside non-content leaf', 'expected': true },
			{ 'msg': 'right of document', 'expected': false }
		];
	QUnit.expect( data.getLength() + 1 );
	for ( i = 0; i < cases.length; i++ ) {
		assert.strictEqual( data.isElementData( i ), cases[i].expected, cases[i].msg );
	}
} );

QUnit.test( 'containsElementData', 1, function ( assert ) {
	var i, data,
		cases = [
		{
			'msg': 'simple paragraph',
			'data': [{ 'type': 'paragraph' }, 'a', { 'type': '/paragraph' }],
			'expected': true
		},
		{
			'msg': 'plain text',
			'data': ['a', 'b', 'c'],
			'expected': false
		},
		{
			'msg': 'annotated text',
			'data': [['a', { '{"type:"bold"}': { 'type': 'bold' } } ]],
			'expected': false
		},
		{
			'msg': 'non-text leaf',
			'data': ['a', { 'type': 'image' }, { 'type': '/image' }, 'c'],
			'expected': true
		}
	];
	QUnit.expect( cases.length );
	for ( i = 0; i < cases.length; i++ ) {
		data = new ve.dm.FlatLinearData( new ve.dm.IndexValueStore(), cases[i].data );
		assert.strictEqual(
			data.containsElementData(), cases[i].expected, cases[i].msg
		);
	}
} );