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/*
* Copyright (c) 2018, 2019, 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 8206986
* @summary Check definite (un)assignment for in switch expressions.
* @compile ExpressionSwitchDA.java
* @run main ExpressionSwitchDA
*/
public class ExpressionSwitchDA {
public static void test1() {
int i;
int j = 0;
switch (j) {
case 0 : i=42; break;
default: i=42;
}
System.out.println(i);
}
public static void test2(){
int i;
int j = 0;
switch (j) {
case 0 -> i=42;
default -> i=42;
}
System.out.println(i);
}
public static void test3(){
int i;
int j = 0;
switch (j) {
case 0 -> { i=42; }
default -> { i=42; }
}
System.out.println(i);
}
public static void test4(){
int i;
int j = 0;
int k = switch (j) {
case 0 -> i=42;
default -> i=42;
};
System.out.println(i);
}
public static void test5(){
int i;
int j = 0;
int k = switch (j) {
case 0 -> { i=42; yield 42; }
default -> i=42;
};
System.out.println(i);
}
public static void test6(){
int i;
int j = 0;
int k = switch (j) {
case 0 -> i=42;
default -> { i=42; yield 42; }
};
System.out.println(i);
}
public static void test7(){
int i;
int j = 0;
int k = switch (j) {
case 0 -> { i=42; yield 42; }
default -> { i=42; yield 42; }
};
System.out.println(i);
}
public static void test8() {
int i;
int j = 0;
switch (j) {
case 0 : i=42; break;
default: throw new NullPointerException();
}
System.out.println(i);
}
public static void test9() {
int i;
int j = 0;
switch (j) {
case 0 -> i=42;
default -> throw new NullPointerException();
}
System.out.println(i);
}
public static void test10() {
int i;
int j = 0;
switch (j) {
case 0 -> { i=42; System.out.print(i);}
default -> throw new NullPointerException();
}
System.out.println(i);
}
public static void test11() {
int i;
int j = 0;
switch (j) {
case 0 -> { i=42; System.out.print(i);}
default -> { throw new NullPointerException(); }
}
System.out.println(i);
}
public static void test12() {
int i;
int j = 0;
switch (j) {
case 0 : i=42; break;
default: return;
}
System.out.println(i);
}
public static void test13() {
int i;
int j = 0;
switch (j) {
case 0 -> i=42;
default -> { return; }
}
System.out.println(i);
}
public static void test14() {
int i;
int j = 0;
switch (j) {
case 0 -> { i=42; }
default -> { return; }
}
System.out.println(i);
}
public static void test15() {
final int i;
int j = 0;
switch (j) {
case 0 -> { i=42; }
default -> { i=42; }
}
System.out.println(i);
}
public static void main(String[] args) {
test1();
test2();
test3();
test4();
test5();
test6();
test7();
test8();
test9();
test10();
test11();
test12();
test13();
test14();
test15();
}
}
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