/**
* @expectedException InvalidArgumentException
*/
public function testAddInvalid()
{
// Arrange
$lft = new Vector(array(10, 20, 30));
$rgt = new Vector(array(5, 5, 5, 5));
// Act
VectorUtils::add($lft, $rgt);
// Assert
// ...
}
public function testAngleBetween()
{
// Arrange
$vector1 = new Vector(array(1, 0, 0));
$vector2 = new Vector(array(0, 1, 0));
// Act
$angle = VectorUtils::angleBetween($vector1, $vector2);
// Assert
$this->assertInternalType('float', $angle);
$this->assertEquals('1.5707963267948966', $angle);
}
