github.com/tardisgo/tardisgo@v0.0.0-20161119180838-e0dd9a7e46b5/goroot/haxe/go1.4/src/io/ioutil/ioutil_replaced_test.go (about) 1 // Copyright 2009 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // +build !haxe 6 7 package ioutil 8 9 import ( 10 "os" 11 "testing" 12 ) 13 14 func checkSize(t *testing.T, path string, size int64) { 15 dir, err := os.Stat(path) 16 if err != nil { 17 t.Fatalf("Stat %q (looking for size %d): %s", path, size, err) 18 } 19 if dir.Size() != size { 20 t.Errorf("Stat %q: size %d want %d", path, dir.Size(), size) 21 } 22 } 23 24 func TestReadFile(t *testing.T) { 25 filename := "rumpelstilzchen" 26 contents, err := ReadFile(filename) 27 if err == nil { 28 t.Fatalf("ReadFile %s: error expected, none found", filename) 29 } 30 31 filename = "ioutil_test.go" 32 contents, err = ReadFile(filename) 33 if err != nil { 34 t.Fatalf("ReadFile %s: %v", filename, err) 35 } 36 37 checkSize(t, filename, int64(len(contents))) 38 } 39 40 func TestWriteFile(t *testing.T) { 41 f, err := TempFile("", "ioutil-test") 42 if err != nil { 43 t.Fatal(err) 44 } 45 filename := f.Name() 46 data := "Programming today is a race between software engineers striving to " + 47 "build bigger and better idiot-proof programs, and the Universe trying " + 48 "to produce bigger and better idiots. So far, the Universe is winning." 49 50 if err := WriteFile(filename, []byte(data), 0644); err != nil { 51 t.Fatalf("WriteFile %s: %v", filename, err) 52 } 53 54 contents, err := ReadFile(filename) 55 if err != nil { 56 t.Fatalf("ReadFile %s: %v", filename, err) 57 } 58 59 if string(contents) != data { 60 t.Fatalf("contents = %q\nexpected = %q", string(contents), data) 61 } 62 63 // cleanup 64 f.Close() 65 os.Remove(filename) // ignore error 66 } 67 68 func TestReadDir(t *testing.T) { 69 dirname := "rumpelstilzchen" 70 _, err := ReadDir(dirname) 71 if err == nil { 72 t.Fatalf("ReadDir %s: error expected, none found", dirname) 73 } 74 75 dirname = ".." 76 list, err := ReadDir(dirname) 77 if err != nil { 78 t.Fatalf("ReadDir %s: %v", dirname, err) 79 } 80 81 foundFile := false 82 foundSubDir := false 83 for _, dir := range list { 84 switch { 85 case !dir.IsDir() && dir.Name() == "io_test.go": 86 foundFile = true 87 case dir.IsDir() && dir.Name() == "ioutil": 88 foundSubDir = true 89 } 90 } 91 if !foundFile { 92 t.Fatalf("ReadDir %s: io_test.go file not found", dirname) 93 } 94 if !foundSubDir { 95 t.Fatalf("ReadDir %s: ioutil directory not found", dirname) 96 } 97 }