function testSetCompare()
{
$tree = new AvlTree();
$tree->setCompare(function ($a, $b) {
if ($a < $b) {
return 1;
} elseif ($b < $a) {
return -1;
} else {
return 0;
}
});
$tree->add(1);
$tree->add(2);
$tree->add(0);
$binary = $tree->toBinaryTree();
$this->assertInstanceOf('Collections\\BinaryTree', $binary);
$this->assertNotNull($binary->left());
$this->assertEquals(2, $binary->left()->value());
$this->assertNotNull($binary->right());
$this->assertEquals(0, $binary->right()->value());
}
