/* * Copyright (C) 2014 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 { static int imax = Integer.MAX_VALUE; static int imin = Integer.MIN_VALUE; static long lmax = Long.MAX_VALUE; static long lmin = Long.MIN_VALUE; static CA ca; public static void expectEquals(long expected, long result) { if (expected != result) { throw new Error("Expected: " + expected + ", found: " + result); } } public static void expectEquals(int expected, int result) { if (expected != result) { throw new Error("Expected: " + expected + ", found: " + result); } } public static void test_int() { int result = 0; int a = imax; int b = imin; int c = 10; int d = c; int tmp = 0; int [] ia = new int[5]; for (int i = 0; i < 100; i++) { tmp = i*c; result += i*i; result = i - tmp; } expectEquals(result, -891); result = c*c + (result - c); expectEquals(result, -801); result = a + a*a; expectEquals(result, -2147483648); result = b + b*b; expectEquals(result, -2147483648); result = b - a*a; expectEquals(result, 2147483647); result = d*d; d++; result += result; expectEquals(result, 200); result = c*c; tmp++; result += result; expectEquals(result, 200); result = 0; try { result = c*c; ia[c] = d; // array out of bound. result += d; } catch (Exception e) { } expectEquals(result, 100); CA obj = new CA(); result = a*c + obj.ia; expectEquals(result, 2); result = 0; obj = ca; try { result = a*c; tmp = obj.ia; result = result + tmp; } catch (Exception e) { } expectEquals(result, -10); } public static void test_long() { long result = 0; long a = lmax; long b = lmin; long c = 10; long d = c; long tmp = 0; int [] ia = new int[5]; for (long i = 0; i < 100; i++) { tmp = i*c; result += i*i; result = i - tmp; } expectEquals(result, -891L); result = c*c + (result - c); expectEquals(result, -801L); result = a + a*a; expectEquals(result, -9223372036854775808L); result = b + b*b; expectEquals(result, -9223372036854775808L); result = b - a*a; expectEquals(result, 9223372036854775807L); result = d*d; d++; result += result; expectEquals(result, 200L); result = c*c; tmp++; result += result; expectEquals(result, 200L); result = 0; int index = 10; try { result = c*c; ia[index] = 10; // array out of bound. result += d; } catch (Exception e) { } expectEquals(result, 100L); CA obj = new CA(); result = a*c + obj.la; expectEquals(result, 113L); result = 0; obj = ca; try { result = a*c; tmp = obj.la; result = result + tmp; } catch (Exception e) { } expectEquals(result, -10L); } public static void main(String[] args) { test_int(); test_long(); System.out.println("Done!"); } } class CA { public int ia = 12; public long la = 123L; }