1 /*
2 * Copyright (c) 2018, 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 8206986
27 * @compile --enable-preview -source 12 ExpressionSwitchDA.java
28 * @run main/othervm --enable-preview ExpressionSwitchDA
29 */
30
31 public class ExpressionSwitchDA {
32 public static void test1() {
33 int i;
34 int j = 0;
35 switch (j) {
36 case 0 : i=42; break;
37 default: i=42;
38 }
39 System.out.println(i);
40 }
41 public static void test2(){
42 int i;
43 int j = 0;
44 switch (j) {
45 case 0 -> i=42;
46 default -> i=42;
47 }
48 System.out.println(i);
49 }
50 public static void test3(){
51 int i;
52 int j = 0;
53 switch (j) {
54 case 0 -> { i=42; }
55 default -> { i=42; }
56 }
57 System.out.println(i);
58 }
59 public static void test4(){
60 int i;
61 int j = 0;
62 int k = switch (j) {
63 case 0 -> i=42;
64 default -> i=42;
65 };
66 System.out.println(i);
67 }
68 public static void test5(){
69 int i;
70 int j = 0;
71 int k = switch (j) {
72 case 0 -> { i=42; break 42; }
73 default -> i=42;
74 };
75 System.out.println(i);
76 }
77 public static void test6(){
78 int i;
79 int j = 0;
80 int k = switch (j) {
81 case 0 -> i=42;
82 default -> { i=42; break 42; }
83 };
84 System.out.println(i);
85 }
86 public static void test7(){
87 int i;
88 int j = 0;
89 int k = switch (j) {
90 case 0 -> { i=42; break 42; }
91 default -> { i=42; break 42; }
92 };
93 System.out.println(i);
94 }
95 public static void test8() {
96 int i;
97 int j = 0;
98 switch (j) {
99 case 0 : i=42; break;
100 default: throw new NullPointerException();
101 }
102 System.out.println(i);
103 }
104 public static void test9() {
105 int i;
106 int j = 0;
107 switch (j) {
108 case 0 -> i=42;
109 default -> throw new NullPointerException();
110 }
111 System.out.println(i);
112 }
113 public static void test10() {
114 int i;
115 int j = 0;
116 switch (j) {
117 case 0 -> { i=42; System.out.print(i);}
118 default -> throw new NullPointerException();
119 }
120 System.out.println(i);
121 }
122 public static void test11() {
123 int i;
124 int j = 0;
125 switch (j) {
126 case 0 -> { i=42; System.out.print(i);}
127 default -> { throw new NullPointerException(); }
128 }
129 System.out.println(i);
130 }
131 public static void test12() {
132 int i;
133 int j = 0;
134 switch (j) {
135 case 0 : i=42; break;
136 default: return;
137 }
138 System.out.println(i);
139 }
140 public static void test13() {
141 int i;
142 int j = 0;
143 switch (j) {
144 case 0 -> i=42;
145 default -> { return; }
146 }
147 System.out.println(i);
148 }
149 public static void test14() {
150 int i;
151 int j = 0;
152 switch (j) {
153 case 0 -> { i=42; }
154 default -> { return; }
155 }
156 System.out.println(i);
157 }
158 public static void test15() {
159 final int i;
160 int j = 0;
161 switch (j) {
162 case 0 -> { i=42; }
163 default -> { i=42; }
164 }
165 System.out.println(i);
166 }
167 public static void main(String[] args) {
168 test1();
169 test2();
170 test3();
171 test4();
172 test5();
173 test6();
174 test7();
175 test8();
176 test9();
177 test10();
178 test11();
179 test12();
180 test13();
181 test14();
182 test15();
183 }
184 }