ehelin@5531: /*
ehelin@5531:  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
ehelin@5531:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ehelin@5531:  *
ehelin@5531:  * This code is free software; you can redistribute it and/or modify it
ehelin@5531:  * under the terms of the GNU General Public License version 2 only, as
ehelin@5531:  * published by the Free Software Foundation.
ehelin@5531:  *
ehelin@5531:  * This code is distributed in the hope that it will be useful, but WITHOUT
ehelin@5531:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ehelin@5531:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ehelin@5531:  * version 2 for more details (a copy is included in the LICENSE file that
ehelin@5531:  * accompanied this code).
ehelin@5531:  *
ehelin@5531:  * You should have received a copy of the GNU General Public License version
ehelin@5531:  * 2 along with this work; if not, write to the Free Software Foundation,
ehelin@5531:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ehelin@5531:  *
ehelin@5531:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ehelin@5531:  * or visit www.oracle.com if you need additional information or have any
ehelin@5531:  * questions.
ehelin@5531:  */
ehelin@5531: 
ehelin@5531: import static com.oracle.java.testlibrary.Asserts.*;
ehelin@5531: 
ehelin@5531: /* @test
ehelin@5531:  * @summary Tests the different assertions in the Assert class
ehelin@5531:  * @library /testlibrary
ehelin@5531:  */
ehelin@5531: public class AssertsTest {
ehelin@5531:     private static class Foo implements Comparable<Foo> {
ehelin@5531:         final int id;
ehelin@5531:         public Foo(int id) {
ehelin@5531:             this.id = id;
ehelin@5531:         }
ehelin@5531: 
ehelin@5531:         public int compareTo(Foo f) {
ehelin@5531:             return new Integer(id).compareTo(new Integer(f.id));
ehelin@5531:         }
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     public static void main(String[] args) throws Exception {
ehelin@5531:         testLessThan();
ehelin@5531:         testLessThanOrEqual();
ehelin@5531:         testEquals();
ehelin@5531:         testGreaterThanOrEqual();
ehelin@5531:         testGreaterThan();
ehelin@5531:         testNotEquals();
ehelin@5531:         testNull();
ehelin@5531:         testNotNull();
ehelin@5531:         testTrue();
ehelin@5531:         testFalse();
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     private static void testLessThan() throws Exception {
ehelin@5531:         expectPass(Assertion.LT, 1, 2);
ehelin@5531: 
ehelin@5531:         expectFail(Assertion.LT, 2, 2);
ehelin@5531:         expectFail(Assertion.LT, 2, 1);
ehelin@5531:         expectFail(Assertion.LT, null, 2);
ehelin@5531:         expectFail(Assertion.LT, 2, null);
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     private static void testLessThanOrEqual() throws Exception {
ehelin@5531:         expectPass(Assertion.LTE, 1, 2);
ehelin@5531:         expectPass(Assertion.LTE, 2, 2);
ehelin@5531: 
ehelin@5531:         expectFail(Assertion.LTE, 3, 2);
ehelin@5531:         expectFail(Assertion.LTE, null, 2);
ehelin@5531:         expectFail(Assertion.LTE, 2, null);
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     private static void testEquals() throws Exception {
ehelin@5531:         expectPass(Assertion.EQ, 1, 1);
ehelin@5531:         expectPass(Assertion.EQ, null, null);
ehelin@5531: 
ehelin@5531:         Foo f1 = new Foo(1);
ehelin@5531:         expectPass(Assertion.EQ, f1, f1);
ehelin@5531: 
ehelin@5531:         Foo f2 = new Foo(1);
ehelin@5531:         expectFail(Assertion.EQ, f1, f2);
ehelin@5531:         expectFail(Assertion.LTE, null, 2);
ehelin@5531:         expectFail(Assertion.LTE, 2, null);
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     private static void testGreaterThanOrEqual() throws Exception {
ehelin@5531:         expectPass(Assertion.GTE, 1, 1);
ehelin@5531:         expectPass(Assertion.GTE, 2, 1);
ehelin@5531: 
ehelin@5531:         expectFail(Assertion.GTE, 1, 2);
ehelin@5531:         expectFail(Assertion.GTE, null, 2);
ehelin@5531:         expectFail(Assertion.GTE, 2, null);
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     private static void testGreaterThan() throws Exception {
ehelin@5531:         expectPass(Assertion.GT, 2, 1);
ehelin@5531: 
ehelin@5531:         expectFail(Assertion.GT, 1, 1);
ehelin@5531:         expectFail(Assertion.GT, 1, 2);
ehelin@5531:         expectFail(Assertion.GT, null, 2);
ehelin@5531:         expectFail(Assertion.GT, 2, null);
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     private static void testNotEquals() throws Exception {
ehelin@5531:         expectPass(Assertion.NE, null, 1);
ehelin@5531:         expectPass(Assertion.NE, 1, null);
ehelin@5531: 
ehelin@5531:         Foo f1 = new Foo(1);
ehelin@5531:         Foo f2 = new Foo(1);
ehelin@5531:         expectPass(Assertion.NE, f1, f2);
ehelin@5531: 
ehelin@5531:         expectFail(Assertion.NE, null, null);
ehelin@5531:         expectFail(Assertion.NE, f1, f1);
ehelin@5531:         expectFail(Assertion.NE, 1, 1);
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     private static void testNull() throws Exception {
ehelin@5531:         expectPass(Assertion.NULL, null);
ehelin@5531: 
ehelin@5531:         expectFail(Assertion.NULL, 1);
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     private static void testNotNull() throws Exception {
ehelin@5531:         expectPass(Assertion.NOTNULL, 1);
ehelin@5531: 
ehelin@5531:         expectFail(Assertion.NOTNULL, null);
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     private static void testTrue() throws Exception {
ehelin@5531:         expectPass(Assertion.TRUE, true);
ehelin@5531: 
ehelin@5531:         expectFail(Assertion.TRUE, false);
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     private static void testFalse() throws Exception {
ehelin@5531:         expectPass(Assertion.FALSE, false);
ehelin@5531: 
ehelin@5531:         expectFail(Assertion.FALSE, true);
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     private static <T extends Comparable<T>> void expectPass(Assertion assertion, T ... args)
ehelin@5531:         throws Exception {
ehelin@5531:         Assertion.run(assertion, args);
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     private static <T extends Comparable<T>> void expectFail(Assertion assertion, T ... args)
ehelin@5531:         throws Exception {
ehelin@5531:         try {
ehelin@5531:             Assertion.run(assertion, args);
ehelin@5531:         } catch (RuntimeException e) {
ehelin@5531:             return;
ehelin@5531:         }
ehelin@5531:         throw new Exception("Expected " + Assertion.format(assertion, (Object[]) args) +
ehelin@5531:                             " to throw a RuntimeException");
ehelin@5531:     }
ehelin@5531: 
ehelin@5531: }
ehelin@5531: 
ehelin@5531: enum Assertion {
ehelin@5531:     LT, LTE, EQ, GTE, GT, NE, NULL, NOTNULL, FALSE, TRUE;
ehelin@5531: 
ehelin@5531:     public static <T extends Comparable<T>> void run(Assertion assertion, T ... args) {
ehelin@5531:         String msg = "Expected " + format(assertion, args) + " to pass";
ehelin@5531:         switch (assertion) {
ehelin@5531:             case LT:
ehelin@5531:                 assertLessThan(args[0], args[1], msg);
ehelin@5531:                 break;
ehelin@5531:             case LTE:
ehelin@5531:                 assertLessThanOrEqual(args[0], args[1], msg);
ehelin@5531:                 break;
ehelin@5531:             case EQ:
ehelin@5531:                 assertEquals(args[0], args[1], msg);
ehelin@5531:                 break;
ehelin@5531:             case GTE:
ehelin@5531:                 assertGreaterThanOrEqual(args[0], args[1], msg);
ehelin@5531:                 break;
ehelin@5531:             case GT:
ehelin@5531:                 assertGreaterThan(args[0], args[1], msg);
ehelin@5531:                 break;
ehelin@5531:             case NE:
ehelin@5531:                 assertNotEquals(args[0], args[1], msg);
ehelin@5531:                 break;
ehelin@5531:             case NULL:
ehelin@5531:                 assertNull(args == null ? args : args[0], msg);
ehelin@5531:                 break;
ehelin@5531:             case NOTNULL:
ehelin@5531:                 assertNotNull(args == null ? args : args[0], msg);
ehelin@5531:                 break;
ehelin@5531:             case FALSE:
ehelin@5531:                 assertFalse((Boolean) args[0], msg);
ehelin@5531:                 break;
ehelin@5531:             case TRUE:
ehelin@5531:                 assertTrue((Boolean) args[0], msg);
ehelin@5531:                 break;
ehelin@5531:             default:
ehelin@5531:                 // do nothing
ehelin@5531:         }
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     public static String format(Assertion assertion, Object ... args) {
ehelin@5531:         switch (assertion) {
ehelin@5531:             case LT:
ehelin@5531:                 return asString("assertLessThan", args);
ehelin@5531:             case LTE:
ehelin@5531:                 return asString("assertLessThanOrEqual", args);
ehelin@5531:             case EQ:
ehelin@5531:                 return asString("assertEquals", args);
ehelin@5531:             case GTE:
ehelin@5531:                 return asString("assertGreaterThanOrEquals", args);
ehelin@5531:             case GT:
ehelin@5531:                 return asString("assertGreaterThan", args);
ehelin@5531:             case NE:
ehelin@5531:                 return asString("assertNotEquals", args);
ehelin@5531:             case NULL:
ehelin@5531:                 return asString("assertNull", args);
ehelin@5531:             case NOTNULL:
ehelin@5531:                 return asString("assertNotNull", args);
ehelin@5531:             case FALSE:
ehelin@5531:                 return asString("assertFalse", args);
ehelin@5531:             case TRUE:
ehelin@5531:                 return asString("assertTrue", args);
ehelin@5531:             default:
ehelin@5531:                 return "";
ehelin@5531:         }
ehelin@5531:     }
ehelin@5531: 
ehelin@5531:     private static String asString(String assertion, Object ... args) {
ehelin@5531:         if (args == null) {
ehelin@5531:             return String.format("%s(null)", assertion);
ehelin@5531:         }
ehelin@5531:         if (args.length == 1) {
ehelin@5531:             return String.format("%s(%s)", assertion, args[0]);
ehelin@5531:         } else {
ehelin@5531:             return String.format("%s(%s, %s)", assertion, args[0], args[1]);
ehelin@5531:         }
ehelin@5531:     }
ehelin@5531: }