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go/test/fixedbugs/bug347.go
Russ Cox 8080384a68 test: use testlib (third 100)
X ,s;^// \$G (\$D/)?\$F\.go *$;// compile;g
X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A *$;// build;g
X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A && \./\$A\.out *$;// run;g
X ,s;^// errchk \$G( -e)? (\$D/)?\$F\.go *$;// errorcheck;g

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5656083
2012-02-16 23:49:59 -05:00

50 lines
818 B
Go

// run
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"runtime"
"strings"
)
var t *struct {
c chan int
}
var c chan int
func f() {
select {
case <-t.c: // THIS IS LINE 22
break
case <-c:
break
}
}
func main() {
defer func() {
recover()
for i := 0;; i++ {
pc, file, line, ok := runtime.Caller(i)
if !ok {
print("BUG: bug347: cannot find caller\n")
return
}
if !strings.Contains(file, "bug347.go") || runtime.FuncForPC(pc).Name() != "main.f" {
// walk past runtime frames
continue
}
if line != 22 {
print("BUG: bug347: panic at ", file, ":", line, " in ", runtime.FuncForPC(pc).Name(), "\n")
}
return
}
}()
f()
}