/**
* @expectedException InvalidArgumentException
*/
public function testExceptionWhenInvalidArgument()
{
// Arrange
$calculator = new Calculator();
// Act
$calculator->calculateSumByPropertyAndGroup($this->data, 'wrong_property', 3);
}
public function testGroupBy4AndCalculateGroupRevenue()
{
// Arrange
$calculator = new Calculator();
$expected = [50, 66, 60];
// Act
$actual = $calculator->calculateGroupRevenue($this->products, 4);
// Assert
$this->assertEquals($expected, $actual);
}
/**
* Generated from @assert (6, 2) == 3.
*
* @covers App\Calculator::divide
*/
public function testDivide3()
{
$this->assertEquals(3, $this->object->divide(6, 2));
}
public function testSub()
{
$c = new Calculator();
$result = $c->sub(10, 5);
$this->assertEquals(2, $result);
}
public function testMul()
{
$abcd = new Calculator(2, 4);
$multi = $abcd->mul();
$this->assertEquals(8, $multi, 'multi failed!');
}
public function testSubstractWithNegativeResult()
{
$c = new Calculator();
$result = $c->substract(5, 10);
$this->assertEquals(-5, $result);
}
public function testTrue()
{
$calculator = new Calculator();
$actual = $calculator->add(3, 4);
$this->assertEquals(7, $actual);
}
