def 'on symlink supporting system, it will return true for supported symlink'() {
        expect:
        new Jdk7Symlink(TestFiles.tmpDirTemporaryFileProvider(temporaryFolder.createDir("tmp"))).isSymlinkCreationSupported()
    }

    @Requires(UnitTestPreconditions.NoSymlinks)
    def 'on non symlink supporting system, it will return false for supported symlink'() {
        expect:

env GO111MODULE=on
[!symlink] skip

cd m
symlink symlink -> ../outside

cp go.mod go.mod.orig

# Issue 35941: suppress symlink warnings when running 'go mod tidy'.
# 'go mod tidy' should not scan packages in symlinked subdirectories.
go mod tidy
! stderr 'warning: ignoring symlink'
cmp go.mod go.mod.orig

! go build ./symlink

					return err
				}
				return os.Symlink("dir1", filepath.Join(base, "dir1/dir2/test"))
			},
			"test",
			true,
		},
		{
			"symlink-loop",
			func(base string) error {
				return os.Symlink("test", filepath.Join(base, "test"))
			},
			"test",
			true,
		},
		{
			"symlink-not-exists",
			func(base string) error {

[!symlink] skip
env GO111MODULE=off

# Issue 35941: suppress symlink warnings when running 'go list all'.
symlink goproj/css -> $GOPATH/src/css

go list all
! stderr 'warning: ignoring symlink'

# Show symlink warnings when patterns contain '...'.
go list goproj/...
stderr 'warning: ignoring symlink'

-- goproj/a.go --
package a

-- css/index.css --

# argument has .go suffix, is a symlink and exists
[symlink] symlink test_sym.go -> test.go
[symlink] ! go get test_sym.go
[symlink] stderr 'go: test_sym.go: arguments must be package or module paths'
[symlink] rm test_sym.go

# argument has .go suffix, is a symlink and exists in sub-directory
[symlink] symlink test/test_sym.go -> test.go
[symlink] ! go get test/test_sym.go

    @Shared TestFile file = baseDir.file("file")
    @Shared TestFile symlink = baseDir.file("symlink")
    @Shared TestFile symlinked = baseDir.file("symlinked")

    def setupSpec() {
        file.text = 'some contents'
        symlinked.text = 'target of symlink'
        symlink.createLink(symlinked)
    }

    def "#desc can handle symlinks"() {
        expect:

            File symlink = maybeResolveCygwinSymlink(symlinkCandidate);
            if (symlink != null) {
                return symlink;
            }
        }
        return null;
    }

    private File maybeResolveCygwinSymlink(File symlink) throws IOException {
        if (!symlink.isFile()) {
            return null;
        }
        if (symlink.length() <= 11) {
            return null;

# Construct a fake GOROOT in $WORK/lib/goroot whose src directory is a symlink
# to a subdirectory of $WORK/share. This mimics the directory structure reported
# in https://go.dev/issue/57754.
#
# Symlink everything else to the original $GOROOT to avoid needless copying work.

mkdir $WORK/lib/goroot
mkdir $WORK/share/goroot
symlink $WORK/share/goroot/src -> $GOROOT${/}src
symlink $WORK/lib/goroot/src -> ../../share/goroot/src

env GO111MODULE=on
[!symlink] skip

# 'go get' should resolve modules of imported packages.
go get
go list -deps -f '{{.Module}}' .
stdout golang.org/x/text

go get ./subpkg
go list -deps -f '{{.Module}}' ./subpkg
stdout golang.org/x/text

# Create a copy of the module using symlinks in src/links.
mkdir links
symlink links/go.mod -> $GOPATH/src/go.mod
symlink links/go.sum -> $GOPATH/src/go.sum

    def symlink = Stub(Symlink)
    def fileMetadataAccessor = Stub(FileMetadataAccessor)
    def statistics = Mock(StatStatistics.Collector)
    def fileSystemFactory = new GenericFileSystem.Factory(fileMetadataAccessor, statistics, TestFiles.tmpDirTemporaryFileProvider(temporaryFolder.testDirectory))
    def fileSystem = fileSystemFactory.create(fileModeMutator, fileModeAccessor, symlink)