44 lines
870 B
Go
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)
|
|
}
|
|
}
|