[short] skip
[gccgo] skip

# Test line numbers in cover errors.

# Get errors from a go test into stderr.txt
! go test coverbad
stderr 'p\.go:4' # look for error at coverbad/p.go:4
[cgo] stderr 'p1\.go:6' # look for error at coverbad/p.go:6
! stderr $WORK # make sure temporary directory isn't in error

cp stderr $WORK/stderr.txt

# Clean out character positions from stderr.txt
# It's OK that stderr2 drops the character position in the error,
# because of the //line directive (see golang.org/issue/22662).
go run clean_charpos.go $WORK/stderr.txt &

# Get errors from coverage into stderr2.txt
! go test -cover coverbad
cp stderr $WORK/stderr2.txt

wait # for go run above

cmp $WORK/stderr.txt $WORK/stderr2.txt

-- go.mod --
module coverbad

go 1.16
-- p.go --
package p

func f() {
	g()
}
-- p1.go --
package p

import "C"

func h() {
	j()
}
-- p_test.go --
package p

import "testing"

func Test(t *testing.T) {}
-- clean_charpos.go --
// +build ignore

package main

import (
	"io/ioutil"
	"log"
	"os"
	"strings"
)

func main() {
	log.SetFlags(0)
	b, err := ioutil.ReadFile(os.Args[1])
	if err != nil {
		log.Fatal(err)
	}
	s := strings.ReplaceAll(string(b), "p.go:4:2:", "p.go:4:")
	s = strings.ReplaceAll(s, "p1.go:6:2:", "p1.go:6:")
	ioutil.WriteFile(os.Args[1], []byte(s), 0644)
	if err != nil {
		log.Fatal(err)
	}
}