stdout $GOPATH[/\\]src[/\\]x[/\\]y[/\\]z[/\\]go.mod

cd $GOPATH/src/x/y
go env GOMOD
stdout 'NUL|/dev/null'

# GO111MODULE=on should trigger everywhere
env GO111MODULE=on

cd $GOPATH/src/x/y/z
go env GOMOD
stdout z[/\\]go.mod

cd $GOPATH/src/x/y/z/w
go env GOMOD
stdout z[/\\]go.mod

cd $GOPATH/src/x/y
go env GOMOD
stdout 'NUL|/dev/null'
go list -m
stdout '^command-line-arguments$'

cd $GOPATH/foo

# Tests golang.org/issue/36000

[!cgo] skip

# go env with CGO flags should not make NUL file

// SlicePtrFromStrings converts a slice of strings to a slice of
// pointers to NUL-terminated byte arrays. If any string contains
// a NUL byte, it returns (nil, [EINVAL]).
func SlicePtrFromStrings(ss []string) ([]*byte, error) {
	n := 0
	for _, s := range ss {
		if bytealg.IndexByteString(s, 0) != -1 {
			return nil, EINVAL
		}
		n += len(s) + 1 // +1 for NUL
	}
	bb := make([]*byte, len(ss)+1)
	b := make([]byte, n)
	n = 0

		// Some BSDs include the trailing NUL in the length, whereas
		// others do not. Work around this by subtracting the leading
		// family and len. The path is then scanned to see if a NUL
		// terminator still exists within the length.
		n := int(pp.Len) - 2 // subtract leading Family, Len
		for i := 0; i < n; i++ {
			if pp.Path[i] == 0 {
				// found early NUL; assume Len included the NUL
				// or was overestimating.
				n = i

	testRead(t, readCommentsTests, ReadComments)
}

var readFailuresTests = []readTest{
	{
		`package`,
		"syntax error",
	},
	{
		"package p\n\x00\nimport `math`\n",
		"unexpected NUL in input",
	},
	{
		`package p; import`,
		"syntax error",
	},
	{
		`package p; import "`,
		"syntax error",
	},
	{
		"package p; import ` \n\n",
		"syntax error",
	},
	{

				hdr.Format = FormatUnknown // Non-ASCII characters in block.
			}
			nul := func(b []byte) bool { return int(b[len(b)-1]) == 0 }
			if !(nul(v7.size()) && nul(v7.mode()) && nul(v7.uid()) && nul(v7.gid()) &&
				nul(v7.modTime()) && nul(ustar.devMajor()) && nul(ustar.devMinor())) {
				hdr.Format = FormatUnknown // Numeric fields must end in NUL
			}
		case format.has(formatSTAR):
			star := tr.blk.toSTAR()

		// Some BSDs include the trailing NUL in the length, whereas
		// others do not. Work around this by subtracting the leading
		// family and len. The path is then scanned to see if a NUL
		// terminator still exists within the length.
		n := int(pp.Len) - 2 // subtract leading Family, Len
		for i := 0; i < n; i++ {
			if pp.Path[i] == 0 {
				// found early NUL; assume Len included the NUL
				// or was overestimating.
				n = i

env GO111MODULE=off

# Issue 28035: go test -c -o NUL should work.
# Issue 28549: go test -c -o /dev/null should not overwrite /dev/null when run as root.
cd x
cmp $devnull $WORK/empty.txt
go test -o=$devnull -c
! exists x.test$GOEXE
cmp $devnull $WORK/empty.txt

# Issue 12407: go build -o /dev/null should succeed.
cd ..
go build -o $devnull y
cmp $devnull $WORK/empty.txt

-- x/x_test.go --
package x_test
import (
    "testing"

goto:eof
)

"%JAVA_HOME%\bin\java" -Xmx50M -version > nul 2>&1

if errorlevel 1 (
	echo Warning: Could not start JVM to detect version, defaulting to x86:
	goto x86
)

"%JAVA_HOME%\bin\java" -Xmx50M -version 2>&1 | "%windir%\System32\find" "64-Bit" >nul:

if errorlevel 1 goto x86
set EXECUTABLE=%FESS_HOME%\bin\fess-service-x64.exe
set SERVICE_ID=fess-service-x64

off
L9:
L10:setlocal
L11:
L12:if exist make.bat goto ok
L13:echo race.bat must be run from go\src
L14::: cannot exit: would kill parent command interpreter
L15:goto end
L16::ok
L17:
L18:set GOROOT=%CD%\..
L19:call .\make.bat --dist-tool >NUL
L20:if errorlevel 1 goto fail
L21:.\cmd\dist\dist.exe env -w -p >env.bat
L22:if errorlevel 1 goto fail
L23:call .\env.bat
L24:del env.bat
L25:
L26:if %GOHOSTARCH% == amd64 goto continue
L27:echo Race detector is only supported on windows/amd64.
...