Coverage testing of "main" program

main.go

package main

import "flag"

var b = flag.Bool("myflag", false, "description")

func main() {
	flag.Parse()
	if *b {
		println("true")
	} else {
		println("false")
	}
}

main_test.go

package main

import "testing"

func TestMain(t *testing.T) {
	main()
}

session:convert_and_annotate

$ go test -coverprofile=test.true.prof -myflag=true
$ gocov convert test.true.prof > test.true.gocov
$ gocov annotate test.true.gocov

 7     	func main() {
 8     		flag.Parse()
 9     		if *b {
10     			println("true")
11     		} else {
12 MISS			println("false")
13     		}
14     	}