/** * Verify that dot product fails with vectors whose components' keys don't * match. * * @test * @uses \Nubs\Vectorix\Vector::__construct * @uses \Nubs\Vectorix\Vector::components * @uses \Nubs\Vectorix\Vector::dimension * @uses \Nubs\Vectorix\Vector::isSameDimension * @uses \Nubs\Vectorix\Vector::isSameVectorSpace * @uses \Nubs\Vectorix\Vector::_checkVectorSpace * @covers ::dotProduct * @expectedException Exception * @expectedExceptionMessage The vectors' components must have the same keys */ public function dotProductVectorsWithDifferentlyKeyedComponents() { $a = new Vector([1, 2, 3]); $b = new Vector(['x' => 4, 'y' => 5, 'z' => 6]); $a->dotProduct($b); }