1 # Tests Issue #10500
2
3 [!race] skip
4
5 env GOBIN=$WORK/bin
6 go install m/mtime m/sametime
7
8 go tool -n cgo
9 cp stdout cgopath.txt
10 exec $GOBIN/mtime cgopath.txt # get the mtime of the file whose name is in cgopath.txt
11 cp stdout cgotime_before.txt
12
13 # For this test, we don't actually care whether 'go test -race -i' succeeds.
14 # It may fail if GOROOT is read-only (perhaps it was installed as root).
15 # We only care that it does not overwrite cmd/cgo regardless.
16 ? go test -race -i runtime/race
17
18 exec $GOBIN/mtime cgopath.txt # get the mtime of the file whose name is in cgopath.txt
19 cp stdout cgotime_after.txt
20 exec $GOBIN/sametime cgotime_before.txt cgotime_after.txt
21
22 -- go.mod --
23 module m
24
25 go 1.16
26 -- mtime/mtime.go --
27 package main
28
29 import (
30 "encoding/json"
31 "fmt"
32 "os"
33 "strings"
34 )
35
36 func main() {
37 b, err := os.ReadFile(os.Args[1])
38 if err != nil {
39 fmt.Fprintln(os.Stderr, err)
40 os.Exit(1)
41 }
42 filename := strings.TrimSpace(string(b))
43 info, err := os.Stat(filename)
44 if err != nil {
45 fmt.Fprintln(os.Stderr, err)
46 os.Exit(1)
47 }
48 if err := json.NewEncoder(os.Stdout).Encode(info.ModTime()); err != nil {
49 fmt.Fprintln(os.Stderr, err)
50 os.Exit(1)
51 }
52 }
53 -- sametime/sametime.go --
54 package main
55
56 import (
57 "encoding/json"
58 "fmt"
59 "os"
60 "time"
61 )
62
63
64 func main() {
65 var t1 time.Time
66 b1, err := os.ReadFile(os.Args[1])
67 if err != nil {
68 fmt.Fprintln(os.Stderr, err)
69 os.Exit(1)
70 }
71 if err := json.Unmarshal(b1, &t1); err != nil {
72 fmt.Fprintln(os.Stderr, err)
73 os.Exit(1)
74 }
75
76 var t2 time.Time
77 b2, err := os.ReadFile(os.Args[2])
78 if err != nil {
79 fmt.Fprintln(os.Stderr, err)
80 os.Exit(1)
81 }
82 if err := json.Unmarshal(b2, &t2); err != nil {
83 fmt.Fprintln(os.Stderr, err)
84 os.Exit(1)
85 }
86
87 if !t1.Equal(t2) {
88 fmt.Fprintf(os.Stderr, "time in %v (%v) is not the same as time in %v (%v)", os.Args[1], t1, os.Args[2], t2)
89 os.Exit(1)
90 }
91 }
92
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