stderr '^usage: go test .*$'
stderr '^Run ''go help test'' and ''go help testflag'' for details.$'

# Passing -help to the test binary should show flag help.
go test ./x -args -help
stdout 'usage_message'

# -covermode, -coverpkg, and -coverprofile should imply -cover
go test -covermode=set ./x
stdout '\s+coverage:\s+'

go test -coverpkg=encoding/binary ./x
stdout '\s+coverage:\s+'

	"io/fs"
	"log"
	"os"
	"path/filepath"
)

const usageMessage = `Usage: pack op file.a [name....]
Where op is one of cprtx optionally followed by v for verbose output.
For compatibility with old Go build environments the op string grc is
accepted as a synonym for c.

For more information, run
	go doc cmd/pack`

func usage() {
	fmt.Fprintln(os.Stderr, usageMessage)
	os.Exit(2)
}

func main() {
	log.SetFlags(0)

	"internal/trace"
	"internal/trace/raw"
	"internal/trace/traceviewer"
	"io"
	"log"
	"net"
	"net/http"
	_ "net/http/pprof" // Required to use pprof
	"os"
	"sync/atomic"
	"time"
)

const usageMessage = "" +
	`Usage of 'go tool trace':
Given a trace file produced by 'go test':
	go test -trace=trace.out pkg

Open a web browser displaying trace:
	go tool trace [flags] [pkg.test] trace.out

	"internal/coverage/slicewriter"
	"io"
	"log"
	"os"
	"path/filepath"
	"sort"
	"strconv"
	"strings"

	"cmd/internal/edit"
	"cmd/internal/objabi"
	"cmd/internal/telemetry"
)

const usageMessage = "" +
	`Usage of 'go tool cover':
Given a coverage profile produced by 'go test':
	go test -coverprofile=c.out

Open a web browser displaying annotated source code:
	go tool cover -html=c.out