<?php

class TMapTest_MapItem {
  public $data='data';
}

/**
 * @package System.Collections
 */
class TMapTest extends PHPUnit_Framework_TestCase {
  protected $map;
  protected $item1,$item2,$item3;

  public function setUp() {
    $this->map=new TMap;
    $this->item1=new TMapTest_MapItem;
    $this->item2=new TMapTest_MapItem;
    $this->item3=new TMapTest_MapItem;
    $this->map->add('key1',$this->item1);
    $this->map->add('key2',$this->item2);
  }

  public function tearDown() {
    $this->map=null;
    $this->item1=null;
    $this->item2=null;
    $this->item3=null;
  }

  public function testConstruct() {
    $a=array(1,2,'key3'=>3);
    $map=new TMap($a);
    $this->assertEquals(3,$map->getCount());
    $map2=new TMap($this->map);
    $this->assertEquals(2,$map2->getCount());
  }

	public function testGetReadOnly() {
		$map = new TMap(null, true);
		self::assertEquals(true, $map->getReadOnly(), 'List is not read-only');
		$map = new TList(null, false);
		self::assertEquals(false, $map->getReadOnly(), 'List is read-only');
	}

  public function testGetCount() {
    $this->assertEquals(2,$this->map->getCount());
  }

  public function testGetKeys() {
    $keys=$this->map->getKeys();
    $this->assertTrue(count($keys)===2 && $keys[0]==='key1' && $keys[1]==='key2');
  }

	public function testAdd()
	{
		$this->map->add('key3',$this->item3);
		$this->assertTrue($this->map->getCount()==3 && $this->map->contains('key3'));
	}

	public function testCanNotAddWhenReadOnly() {
		$map = new TMap(array(), true);
		try {
			$map->add('key', 'value');
		} catch(TInvalidOperationException $e) {
			return;
		}
		self::fail('An expected TInvalidOperationException was not raised');
	}

	public function testRemove()
	{
		$this->map->remove('key1');
		$this->assertTrue($this->map->getCount()==1 && !$this->map->contains('key1'));
		$this->assertTrue($this->map->remove('unknown key')===null);
	}

	public function testCanNotRemoveWhenReadOnly() {
		$map = new TMap(array('key' => 'value'), true);
		try {
			$map->remove('key');
		} catch(TInvalidOperationException $e) {
			return;
		}
		self::fail('An expected TInvalidOperationException was not raised');
	}

	public function testClear()
	{
		$this->map->clear();
		$this->assertTrue($this->map->getCount()==0 && !$this->map->contains('key1') && !$this->map->contains('key2'));
	}

	public function testContains()
	{
		$this->assertTrue($this->map->contains('key1'));
		$this->assertTrue($this->map->contains('key2'));
		$this->assertFalse($this->map->contains('key3'));
	}

	public function testCopyFrom()
	{
		$array=array('key3'=>$this->item3,'key4'=>$this->item1);
		$this->map->copyFrom($array);
		$this->assertTrue($this->map->getCount()==2 && $this->map['key3']===$this->item3 && $this->map['key4']===$this->item1);
		try
		{
			$this->map->copyFrom($this);
			$this->fail('no exception raised when copying a non-traversable object');
		}
		catch(TInvalidDataTypeException $e)
		{

		}
	}

	public function testMergeWith()
	{
		$array=array('key2'=>$this->item1,'key3'=>$this->item3);
		$this->map->mergeWith($array);
		$this->assertTrue($this->map->getCount()==3 && $this->map['key2']===$this->item1 && $this->map['key3']===$this->item3);
		try
		{
			$this->map->mergeWith($this);
			$this->fail('no exception raised when copying a non-traversable object');
		}
		catch(TInvalidDataTypeException $e)
		{

		}
	}

	public function testArrayRead()
	{
		$this->assertTrue($this->map['key1']===$this->item1);
		$this->assertTrue($this->map['key2']===$this->item2);
		$this->assertEquals(null,$this->map['key3']);
	}

	public function testArrayWrite()
	{
		$this->map['key3']=$this->item3;
		$this->assertTrue($this->map['key3']===$this->item3 && $this->map->getCount()===3);
		$this->map['key1']=$this->item3;
		$this->assertTrue($this->map['key1']===$this->item3 && $this->map->getCount()===3);
		unset($this->map['key2']);
		$this->assertTrue($this->map->getCount()===2 && !$this->map->contains('key2'));
		try
		{
			unset($this->map['unknown key']);

		}
		catch(Exception $e)
		{
			$this->fail('exception raised when unsetting element with unknown key');
		}
	}

	public function testArrayForeach()
	{
		$n=0;
		$found=0;
		foreach($this->map as $index=>$item)
		{
			$n++;
			if($index==='key1' && $item===$this->item1)
				$found++;
			if($index==='key2' && $item===$this->item2)
				$found++;
		}
		$this->assertTrue($n==2 && $found==2);
	}

	public function testArrayMisc()
	{
		$this->assertEquals($this->map->Count,count($this->map));
		$this->assertTrue(isset($this->map['key1']));
		$this->assertFalse(isset($this->map['unknown key']));
	}

	public function testToArray() {
		$map = new TMap(array('key' => 'value'));
		self::assertEquals(array('key' => 'value'), $map->toArray());
	}
}