public function testSubtractsNumbers() { $subtraction = new Subtraction(); $result = $subtraction->run(5, 10); $this->assertSame(5, $result); }
public function testFindsTheDifferenceOfNumbers() { $subtraction = new Subtraction(); $difference = $subtraction->run(5, 0); $this->assertEquals(-5, $difference); }
public function testCalculate() { $sub = new Subtraction(); $this->assertEquals(3, $sub->calculate(4, 1)); $this->assertEquals(-1, $sub->calculate(4, 5)); }