--- /dev/null 2009-07-06 20:02:10.000000000 -0700 +++ new/test/java/util/Objects/BasicObjectsTest.java 2009-10-08 11:09:01.000000000 -0700 @@ -0,0 +1,105 @@ +/* + * Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +/* + * @test + * @bug 6797535 + * @summary Basic tests for methods in java.util.Objects + * @author Joseph D. Darcy + */ + +import java.util.*; + +public class BasicObjectsTest { + public static void main(String... args) { + int errors = 0; + errors += testEquals(); + errors += testHashCode(); + errors += testToString(); + errors += testCompare(); + if (errors > 0 ) + throw new RuntimeException(); + } + + private static int testEquals() { + int errors = 0; + Object[] values = {null, "42", 42}; + for(int i = 0; i < values.length; i++) + for(int j = 0; j < values.length; j++) { + boolean expected = (i == j); + Object a = values[i]; + Object b = values[j]; + boolean result = Objects.equals(a, b); + if (result != expected) { + errors++; + System.err.printf("When equating %s to %s, got %b intead of %b%n.", + a, b, result, expected); + } + } + return errors; + } + + private static int testHashCode() { + int errors = 0; + errors += (Objects.hashCode(null) == 0 ) ? 0 : 1; + String s = "42"; + errors += (Objects.hashCode(s) == s.hashCode() ) ? 0 : 1; + return errors; + } + + private static int testToString() { + int errors = 0; + errors += ("null".equals(Objects.toString(null)) ) ? 0 : 1; + String s = "Some string"; + errors += (s.equals(Objects.toString(s)) ) ? 0 : 1; + return errors; + } + + private static int testCompare() { + int errors = 0; + String[] values = {"e. e. cummings", "zzz"}; + String[] VALUES = {"E. E. Cummings", "ZZZ"}; + errors += compareTest(null, null, 0); + for(int i = 0; i < values.length; i++) { + String a = values[i]; + errors += compareTest(a, a, 0); + for(int j = 0; j < VALUES.length; j++) { + int expected = Integer.compare(i, j); + String b = VALUES[j]; + errors += compareTest(a, b, expected); + } + } + return errors; + } + + private static int compareTest(String a, String b, int expected) { + int errors = 0; + int result = Objects.compare(a, b, String.CASE_INSENSITIVE_ORDER); + if (Integer.signum(result) != Integer.signum(expected)) { + errors++; + System.err.printf("When comaping %s to %s, got %d intead of %d%n.", + a, b, result, expected); + } + return errors; + } +}