blob: de7fcbdf849778e865c9c68e10f38f03268f73b9 (
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package main
import (
"errors"
"io"
"io/fs"
"os"
)
func main() {
_, err := os.Open("non-exist")
if !errors.Is(err, fs.ErrNotExist) {
panic("should be non exist error")
}
f, err := os.Open("testdata/filesystem.txt")
if err != nil {
panic(err)
}
defer func() {
if err := f.Close(); err != nil {
panic(err)
}
// read after close: error should be returned
_, err := f.Read(make([]byte, 10))
if err == nil {
panic("error expected for reading after closing files")
}
}()
data, err := io.ReadAll(f)
if err != nil {
panic(err)
}
os.Stdout.Write(data)
path, err := os.Getwd()
if err != nil {
panic(err)
}
if path == "" {
panic("path is empty")
}
}
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