1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @bug 8140450
  27  * @summary Sanity test for exception cases
  28  * @run testng SanityTest
  29  */
  30 
  31 
  32 import java.util.Collections;
  33 import java.util.Set;
  34 
  35 import org.testng.annotations.Test;
  36 
  37 public class SanityTest {
  38     @Test
  39     public static void testNPE() {
  40         try {
  41             StackWalker sw = StackWalker.getInstance((Set<StackWalker.Option>) null);
  42             throw new RuntimeException("NPE expected");
  43         } catch (NullPointerException e) {}
  44 
  45         try {
  46             StackWalker sw = StackWalker.getInstance((StackWalker.Option) null);
  47             throw new RuntimeException("NPE expected");
  48         } catch (NullPointerException e) {}
  49     }
  50 
  51     @Test
  52     public static void testUOE() {
  53         try {
  54             StackWalker.getInstance().getCallerClass();
  55             throw new RuntimeException("UOE expected");
  56         } catch (UnsupportedOperationException expected) {}
  57     }
  58 
  59     @Test
  60     public static void testInvalidEstimateDepth() {
  61         try {
  62             StackWalker sw = StackWalker.getInstance(Collections.emptySet(), 0);
  63             throw new RuntimeException("Illegal estimateDepth should throw IAE");
  64         } catch (IllegalArgumentException e) {}
  65     }
  66 
  67     @Test
  68     public static void testNullFuncation() {
  69         try {
  70             StackWalker.getInstance().walk(null);
  71             throw new RuntimeException("NPE expected");
  72         } catch (NullPointerException e) {}
  73     }
  74 
  75     @Test
  76     public static void testNullConsumer() {
  77         try {
  78             StackWalker.getInstance().forEach(null);
  79             throw new RuntimeException("NPE expected");
  80         } catch (NullPointerException e) {}
  81     }
  82 }