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  }