source: class CalculatorTest {
  
  	@Test
  	void CalculateMonoTanTest() {
  
target: 		Calculator calculator = new Calculator();
  		Assertions.assertEquals(1.0, calculator.calculateMono(Calculator.MonoOperatorModes.tan, java.lang.Math.PI / 4), 0.0000000001);
  	}
  
  }