示例#1
0
 public function testCalculatorCanChainCalculations()
 {
     $this->assertEquals(15, Calculator::add(Calculator::add(5, 5), Calculator::subtract(10, 5)));
 }
示例#2
0
 public function testCalculatorRejectsStringInArgumentsWhenSubtractingTwoNumbers()
 {
     $this->expectException(\InvalidArgumentException::class);
     Calculator::subtract(1, 2, 'o');
 }