Retro68/gcc/libgo/go/crypto/rand/rand_test.go
2014-09-21 19:33:12 +02:00

44 lines
870 B
Go

// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package rand
import (
"bytes"
"compress/flate"
"io"
"testing"
)
func TestRead(t *testing.T) {
var n int = 4e6
if testing.Short() {
n = 1e5
}
b := make([]byte, n)
n, err := io.ReadFull(Reader, b)
if n != len(b) || err != nil {
t.Fatalf("ReadFull(buf) = %d, %s", n, err)
}
var z bytes.Buffer
f, _ := flate.NewWriter(&z, 5)
f.Write(b)
f.Close()
if z.Len() < len(b)*99/100 {
t.Fatalf("Compressed %d -> %d", len(b), z.Len())
}
}
func TestReadEmpty(t *testing.T) {
n, err := Reader.Read(make([]byte, 0))
if n != 0 || err != nil {
t.Fatalf("Read(make([]byte, 0)) = %d, %v", n, err)
}
n, err = Reader.Read(nil)
if n != 0 || err != nil {
t.Fatalf("Read(nil) = %d, %v", n, err)
}
}