1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/*
* @test /nodynamiccopyright/
* @bug 8206986
* @summary Verify reachability in switch expressions.
* @compile/fail/ref=ExpressionSwitchUnreachable.out -XDrawDiagnostics ExpressionSwitchUnreachable.java
*/
public class ExpressionSwitchUnreachable {
public static void meth() {
int z = 42;
int i = switch (z) {
case 0 -> {
yield 42;
System.out.println("Unreachable"); //Unreachable
}
default -> 0;
};
i = switch (z) {
case 0 -> {
yield 42;
yield 42; //Unreachable
}
default -> 0;
};
i = switch (z) {
case 0:
System.out.println("0");
yield 42;
System.out.println("1"); //Unreachable
default : yield 42;
};
i = switch (z) {
case 0 -> 42;
default -> {
yield 42;
System.out.println("Unreachable"); //Unreachable
}
};
i = switch (z) {
case 0: yield 42;
default:
System.out.println("0");
yield 42;
System.out.println("1"); //Unreachable
};
i = switch (z) {
case 0:
default:
System.out.println("0");
yield 42;
System.out.println("1"); //Unreachable
};
}
}
|
