| /* |
| * Copyright (c) 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 8025799 |
| * @summary sun.reflect.Reflection.getCallerClass(int) |
| * @modules java.base/sun.reflect |
| * @run main GetCallerClassWithDepth |
| */ |
| |
| public class GetCallerClassWithDepth { |
| public static void main(String[] args) throws Exception { |
| Class<?> c = Test.test(); |
| assertEquals(c, GetCallerClassWithDepth.class); |
| Class<?> caller = Test.caller(); |
| assertEquals(caller, GetCallerClassWithDepth.class); |
| Test.selfTest(); |
| |
| try { |
| sun.reflect.Reflection.getCallerClass(-1); |
| throw new RuntimeException("getCallerClass(-1) should fail"); |
| } catch (Error e) { |
| System.out.println("Expected: " + e.getMessage()); |
| } |
| } |
| |
| public Class<?> getCallerClass() { |
| // 0: Reflection 1: getCallerClass 2: Test.test 3: main |
| return sun.reflect.Reflection.getCallerClass(3); |
| } |
| |
| static void assertEquals(Class<?> c, Class<?> expected) { |
| if (c != expected) { |
| throw new RuntimeException("Incorrect caller: " + c); |
| } |
| } |
| |
| static class Test { |
| // Returns the caller of this method |
| public static Class<?> test() { |
| return new GetCallerClassWithDepth().getCallerClass(); |
| } |
| |
| // Returns the caller of this method |
| public static Class<?> caller() { |
| // 0: Reflection 1: Test.caller 2: main |
| return sun.reflect.Reflection.getCallerClass(2); |
| } |
| public static void selfTest() { |
| // 0: Reflection 1: Test.selfTest |
| Class<?> c = sun.reflect.Reflection.getCallerClass(1); |
| assertEquals(c, Test.class); |
| Inner1.deep(); |
| } |
| |
| static class Inner1 { |
| static void deep() { |
| deeper(); |
| } |
| static void deeper() { |
| Inner2.deepest(); |
| } |
| static class Inner2 { |
| static void deepest() { |
| // 0: Reflection 1: deepest 2: deeper 3: deep 4: Test.selfTest |
| Class<?> c = sun.reflect.Reflection.getCallerClass(4); |
| assertEquals(c, Test.class); |
| } |
| } |
| } |
| } |
| } |