1 | package main |
---|---|
2 | |
3 | // Tests of panic/recover. |
4 | |
5 | import "fmt" |
6 | |
7 | func fortyTwo() (r int) { |
8 | r = 42 |
9 | // The next two statements simulate a 'return' statement. |
10 | defer func() { recover() }() |
11 | panic(nil) |
12 | } |
13 | |
14 | func zero() int { |
15 | defer func() { recover() }() |
16 | panic(1) |
17 | } |
18 | |
19 | func zeroEmpty() (int, string) { |
20 | defer func() { recover() }() |
21 | panic(1) |
22 | } |
23 | |
24 | func main() { |
25 | if r := fortyTwo(); r != 42 { |
26 | panic(r) |
27 | } |
28 | if r := zero(); r != 0 { |
29 | panic(r) |
30 | } |
31 | if r, s := zeroEmpty(); r != 0 || s != "" { |
32 | panic(fmt.Sprint(r, s)) |
33 | } |
34 | } |
35 |