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# Tests Issue #10500
[!race] skip
[!darwin] ! stale cmd/cgo # The darwin builders are spuriously stale; see #33598.
env GOBIN=$WORK/bin
go install m/mtime m/sametime
go tool -n cgo
cp stdout cgopath.txt
exec $GOBIN/mtime cgopath.txt # get the mtime of the file whose name is in cgopath.txt
cp stdout cgotime_before.txt
# For this test, we don't actually care whether 'go test -race -i' succeeds.
# It may fail if GOROOT is read-only (perhaps it was installed as root).
# We only care that it does not overwrite cmd/cgo regardless.
? go test -race -i runtime/race
exec $GOBIN/mtime cgopath.txt # get the mtime of the file whose name is in cgopath.txt
cp stdout cgotime_after.txt
exec $GOBIN/sametime cgotime_before.txt cgotime_after.txt
-- go.mod --
module m
go 1.16
-- mtime/mtime.go --
package main
import (
"encoding/json"
"fmt"
"os"
"strings"
)
func main() {
b, err := os.ReadFile(os.Args[1])
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
filename := strings.TrimSpace(string(b))
info, err := os.Stat(filename)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if err := json.NewEncoder(os.Stdout).Encode(info.ModTime()); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
-- sametime/sametime.go --
package main
import (
"encoding/json"
"fmt"
"os"
"time"
)
func main() {
var t1 time.Time
b1, err := os.ReadFile(os.Args[1])
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if err := json.Unmarshal(b1, &t1); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
var t2 time.Time
b2, err := os.ReadFile(os.Args[2])
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if err := json.Unmarshal(b2, &t2); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if !t1.Equal(t2) {
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)
os.Exit(1)
}
}
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