[short] skip

# collect coverage profile in text format
go test -coverprofile=blah.prof prog.go prog_test.go

# should not contain cmd-line pseudo-import-path
grep prog.go blah.prof
grep $PWD blah.prof
! grep command-line-arguments blah.prof

-- prog.go --
package main

func Mumble(x int) int {
	if x < 0 {
		return -x
	}
	return 42
}

func Grumble(y int) int {
	return -y
}

func main() {
}

-- prog_test.go --
package main

import (
	"testing"
)

func TestMumble(t *testing.T) {
	if x := Mumble(10); x != 42 {
		t.Errorf("Mumble(%d): got %d want %d", 10, x, 42)
	}
}