package mounttest import (	"testing" 	"github.com/stretchr/testify/assert"	"github.com/stretchr/testify/require") // TestWriteFileNoWrite tests writing a file with no write()'s to itfunc TestWriteFileNoWrite(t *testing.T) {	run.skipIfNoFUSE(t) 	fd, err := osCreate(run.path("testnowrite"))	assert.NoError(t, err) 	err = fd.Close()	assert.NoError(t, err) 	run.waitForWriters() 	run.checkDir(t, "testnowrite 0") 	run.rm(t, "testnowrite")} // FIXMETestWriteOpenFileInDirListing tests open file in directory listingfunc FIXMETestWriteOpenFileInDirListing(t *testing.T) {	run.skipIfNoFUSE(t) 	fd, err := osCreate(run.path("testnowrite"))	assert.NoError(t, err) 	run.checkDir(t, "testnowrite 0") 	err = fd.Close()	assert.NoError(t, err) 	run.waitForWriters() 	run.rm(t, "testnowrite")} // TestWriteFileWrite tests writing a file and reading it backfunc TestWriteFileWrite(t *testing.T) {	run.skipIfNoFUSE(t) 	run.createFile(t, "testwrite", "data")	run.checkDir(t, "testwrite 4")	contents := run.readFile(t, "testwrite")	assert.Equal(t, "data", contents)	run.rm(t, "testwrite")} // TestWriteFileOverwrite tests overwriting a filefunc TestWriteFileOverwrite(t *testing.T) {	run.skipIfNoFUSE(t) 	run.createFile(t, "testwrite", "data")	run.checkDir(t, "testwrite 4")	run.createFile(t, "testwrite", "potato")	contents := run.readFile(t, "testwrite")	assert.Equal(t, "potato", contents)	run.rm(t, "testwrite")} // TestWriteFileFsync tests Fsync//// NB the code for this is in file.go rather than write.gofunc TestWriteFileFsync(t *testing.T) {	run.skipIfNoFUSE(t) 	filepath := run.path("to be synced")	fd, err := osCreate(filepath)	require.NoError(t, err)	_, err = fd.Write([]byte("hello"))	require.NoError(t, err)	err = fd.Sync()	require.NoError(t, err)	err = fd.Close()	require.NoError(t, err)	run.waitForWriters()	run.rm(t, "to be synced")}