1 /*
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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
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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
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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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
testNPE()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
testUOE()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
testInvalidEstimateDepth()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
testNullFuncation()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
testNullConsumer()76     public static void testNullConsumer() {
77         try {
78             StackWalker.getInstance().forEach(null);
79             throw new RuntimeException("NPE expected");
80         } catch (NullPointerException e) {}
81     }
82 
83 
84     @Test
testUOEFromGetDeclaringClass()85     public static void testUOEFromGetDeclaringClass() {
86         try {
87             StackWalker sw = StackWalker.getInstance();
88             sw.forEach(StackWalker.StackFrame::getDeclaringClass);
89             throw new RuntimeException("UOE expected");
90         } catch (UnsupportedOperationException expected) {
91         }
92     }
93 
94     @Test
testUOEFromGetMethodType()95     public static void testUOEFromGetMethodType() {
96         try {
97             StackWalker sw = StackWalker.getInstance();
98             sw.forEach(StackWalker.StackFrame::getMethodType);
99             throw new RuntimeException("UOE expected");
100         } catch (UnsupportedOperationException expected) {}
101     }
102 }
103