| /* |
| * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8005419 |
| * @summary Improve intrinsics code performance on x86 by using AVX2 |
| * @run main/othervm -Xbatch -Xmx64m Test8005419 |
| * |
| */ |
| |
| public class Test8005419 { |
| public static int SIZE = 64; |
| |
| public static void main(String[] args) { |
| char[] a = new char[SIZE]; |
| char[] b = new char[SIZE]; |
| |
| for (int i = 16; i < SIZE; i++) { |
| a[i] = (char)i; |
| b[i] = (char)i; |
| } |
| String s1 = new String(a); |
| String s2 = new String(b); |
| |
| // Warm up |
| boolean failed = false; |
| int result = 0; |
| for (int i = 0; i < 10000; i++) { |
| result += test(s1, s2); |
| } |
| for (int i = 0; i < 10000; i++) { |
| result += test(s1, s2); |
| } |
| for (int i = 0; i < 10000; i++) { |
| result += test(s1, s2); |
| } |
| if (result != 0) failed = true; |
| |
| System.out.println("Start testing"); |
| // Compare same string |
| result = test(s1, s1); |
| if (result != 0) { |
| failed = true; |
| System.out.println("Failed same: result = " + result + ", expected 0"); |
| } |
| // Compare equal strings |
| for (int i = 1; i <= SIZE; i++) { |
| s1 = new String(a, 0, i); |
| s2 = new String(b, 0, i); |
| result = test(s1, s2); |
| if (result != 0) { |
| failed = true; |
| System.out.println("Failed equals s1[" + i + "], s2[" + i + "]: result = " + result + ", expected 0"); |
| } |
| } |
| // Compare equal strings but different sizes |
| for (int i = 1; i <= SIZE; i++) { |
| s1 = new String(a, 0, i); |
| for (int j = 1; j <= SIZE; j++) { |
| s2 = new String(b, 0, j); |
| result = test(s1, s2); |
| if (result != (i-j)) { |
| failed = true; |
| System.out.println("Failed diff size s1[" + i + "], s2[" + j + "]: result = " + result + ", expected " + (i-j)); |
| } |
| } |
| } |
| // Compare strings with one char different and different sizes |
| for (int i = 1; i <= SIZE; i++) { |
| s1 = new String(a, 0, i); |
| for (int j = 0; j < i; j++) { |
| b[j] -= 3; // change char |
| s2 = new String(b, 0, i); |
| result = test(s1, s2); |
| int chdiff = a[j] - b[j]; |
| if (result != chdiff) { |
| failed = true; |
| System.out.println("Failed diff char s1[" + i + "], s2[" + i + "]: result = " + result + ", expected " + chdiff); |
| } |
| result = test(s2, s1); |
| chdiff = b[j] - a[j]; |
| if (result != chdiff) { |
| failed = true; |
| System.out.println("Failed diff char s2[" + i + "], s1[" + i + "]: result = " + result + ", expected " + chdiff); |
| } |
| b[j] += 3; // restore |
| } |
| } |
| if (failed) { |
| System.out.println("FAILED"); |
| System.exit(97); |
| } |
| System.out.println("PASSED"); |
| } |
| |
| private static int test(String str1, String str2) { |
| return str1.compareTo(str2); |
| } |
| } |