public function testIsRowVector() { $matrix = new Matrix(1, 3, 2); $sut = new Properties($matrix, 2); $this->assertTrue($sut->isRowVector()); $matrix = new Matrix(1, 1, 2); $sut = new Properties($matrix, 2); $this->assertTrue($sut->isRowVector()); $matrix = new Matrix(2, 3, 2); $sut = new Properties($matrix, 2); $this->assertFalse($sut->isRowVector()); $matrix = new Matrix(3, 1, 2); $sut = new Properties($matrix, 2); $this->assertFalse($sut->isRowVector()); }