[!GOEXPERIMENT:coverageredesign] stdout 'pkg1	\[no test files\]'
[GOEXPERIMENT:coverageredesign] stdout 'pkg1		coverage: 0.0% of statements'
stdout 'pkg2	\S+	coverage: 0.0% of statements \[no tests to run\]'
stdout 'pkg3	\S+	coverage: 100.0% of statements'
stdout 'pkg4	\S+	coverage: \[no statements\]'

# Validate
go tool cover -func=cov.dat
[GOEXPERIMENT:coverageredesign] stdout 'pkg1/a.go:5:\s+F\s+0.0%'

-- go.mod --

[GOOS:plan9] env userconfig=$home/lib

go telemetry
stdout 'local'

go telemetry off
go telemetry
stdout 'off'
go env GOTELEMETRY
stdout 'off'

go telemetry local
go telemetry
stdout 'local'
go env GOTELEMETRY
stdout 'local'

go telemetry on
go telemetry
stdout 'on'
go env GOTELEMETRY
stdout 'on'

go env
stdout 'GOTELEMETRY=''?on''?'
stdout 'GOTELEMETRYDIR=''?'$userconfig'[\\/]go[\\/]telemetry''?'

! stdout .

# 'go list -retracted pkg' shows retraction.
go list -retracted -f '{{with .Module}}{{with .Retracted}}retracted{{end}}{{end}}' example.com/retract
stdout retracted

# 'go list -m' does not show retraction.
go list -m -f '{{with .Retracted}}retracted{{end}}' example.com/retract
! stdout .

# 'go list -m -retracted' shows retraction.

# Start at v0.1.1-0.20190429073117-b5426c86b553
go get example.com/pseudoupgrade@b5426c8
go list -m -u all
stdout '^example.com/pseudoupgrade v0.1.1-0.20190429073117-b5426c86b553$'

# 'get -u' should not downgrade to the (lower) tagged version.
go get -u
go list -m -u all
stdout '^example.com/pseudoupgrade v0.1.1-0.20190429073117-b5426c86b553$'

# 'get example.com/pseudoupgrade@upgrade' should not downgrade.

cd a
go install
go version -m $GOBIN/a$GOEXE
! stdout vcs.revision
! stdout vcs.time
stdout '^\tbuild\tvcs.modified=true$'
cd ..

# Revision and commit time are tagged for repositories with commits.
exec hg add a README
exec hg commit -m 'initial commit'
cd a
go install
go version -m $GOBIN/a$GOEXE
stdout '^\tbuild\tvcs.revision='
stdout '^\tbuild\tvcs.time='
stdout '^\tbuild\tvcs.modified=false$'
rm $GOBIN/a$GOEXE

stdout go1.400

# GOTOOLCHAIN=version+auto sets a minimum.
env GOTOOLCHAIN=go1.600+auto
go version
stdout go1.600

env GOTOOLCHAIN=go1.400.0+auto
go version
stdout go1.400.0

# GOTOOLCHAIN=version+path sets a minimum too.
env GOTOOLCHAIN=go1.600+path
go version
stdout go1.600

env GOTOOLCHAIN=go1.400+path
go version
stdout go1.400

# Create a go.mod file and test interactions with auto and path.

! go list ./noread
! stdout '^example.com/noread$'
! stderr 'matched no packages'

! go list example.com/noread
! stdout '^example.com/noread$'
! stderr 'matched no packages'

# Check filesystem-relative patterns.

! go list ./...
! stdout '^example.com/noread$'
! stderr 'matched no packages'
stderr '^pattern ./...: '

! go list ./noread/...
! stdout '^example.com/noread$'

! go test chatty_test.go -v -bench . chatty_bench

# Sanity check that output occurs.
stdout -count=2 'this is sub-0'
stdout -count=2 'this is sub-1'
stdout -count=2 'this is sub-2'
stdout -count=1 'error from sub-0'
stdout -count=1 'error from sub-1'
stdout -count=1 'error from sub-2'

# Benchmarks should not print CONT.
! stdout CONT

-- chatty_test.go --
package chatty_bench

import (
	"testing"
	"fmt"
)

env home=$HOME/plan9home
go env GOENV
[GOOS:aix] stdout $HOME/.config/go/env
[GOOS:darwin] stdout $HOME'/Library/Application Support/go/env'
[GOOS:freebsd] stdout $HOME/.config/go/env
[GOOS:linux] stdout $HOME/.config/go/env
[GOOS:netbsd] stdout $HOME/.config/go/env
[GOOS:openbsd] stdout $HOME/.config/go/env
[GOOS:plan9] stdout $HOME/plan9home/lib/go/env
[GOOS:windows] stdout $HOME\\windowsappdata\\go\\env

	ok = true

	var eg InternalExample

	stdout, stderr := os.Stdout, os.Stderr
	defer func() {
		os.Stdout, os.Stderr = stdout, stderr
		if e := recover(); e != nil {
			fmt.Printf("--- FAIL: %s\npanic: %v\n", eg.Name, e)
			os.Exit(1)
		}
	}()

	for _, eg = range examples {
		if *chatty {
			fmt.Printf("=== RUN: %s\n", eg.Name)
		}

		// capture stdout and stderr
		r, w, err := os.Pipe()
		if err != nil {