AI Mutation Testing

test.dart

import 'package:test/test.dart';

enum Operation { add, subtract, multiply, divide }

int calculate(Operation operation, int a, int b) {
  switch (operation) {
    case Operation.add:
      return a + b;
    case Operation.subtract:
      return a - b;
    case Operation.multiply:
      return a * b;
    case Operation.divide:
      return a ~/ b;
  }
}

void main() {
  test('calculate', () {
    expect(calculate(Operation.add, 42, 1), 43);
  });
}


test('calculate', () {
  // Test addition
  expect(calculate(Operation.add, 1, 1), 2);
  expect(calculate(Operation.add, -1, 1), 0);
  expect(calculate(Operation.add, 100, 100), 200);
  
  // Test subtraction
  expect(calculate(Operation.subtract, 1, 1), 0);
  expect(calculate(Operation.subtract, -1, 1), -2);
  expect(calculate(Operation.subtract, 100, 100), 0);
  
  // Test multiplication
  expect(calculate(Operation.multiply, 1, 1), 1);
  expect(calculate(Operation.multiply, -1, 1), -1);
  expect(calculate(Operation.multiply, 100, 100), 10000);
  
  // Test division
  expect(calculate(Operation.divide, 1, 1), 1);
  expect(calculate(Operation.divide, -1, 1), -1);
  expect(calculate(Operation.divide, 100, 100), 1);
});