/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
public class Main {
    class A {
        int fieldA;
        int placeholder;
    }

    class B {
        int placeholder;
        int fieldB;
    }
    public static void assertIntEquals(int expected, int result) {
        if (expected != result) {
            throw new Error("Expected: " + expected + ", found: " + result);
        }
    }


    public void testLoop() {
        A inst1 = new A();
        B inst2 = new B();
        int iterations = 50;
        for (int i = 0; i < iterations; i++) {
            int a = inst1.fieldA;
            inst1.fieldA = a + i;
            int b = inst2.fieldB;
            inst2.fieldB = b + 2 * i;
        }
        assertIntEquals(inst1.fieldA, 1225);
        assertIntEquals(inst2.fieldB, 2450);
    }

    public static void main(String[] args) {
        Main obj = new Main();
        obj.testLoop();
    }
}