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// Copyright 2014 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.
//go:build linux || freebsd || dragonfly || solaris
// +build linux freebsd dragonfly solaris
package rand
import (
"bytes"
"testing"
)
func TestBatched(t *testing.T) {
fillBatched := batched(func(p []byte) bool {
for i := range p {
p[i] = byte(i)
}
return true
}, 5)
p := make([]byte, 13)
if !fillBatched(p) {
t.Fatal("batched function returned false")
}
expected := []byte{0, 1, 2, 3, 4, 0, 1, 2, 3, 4, 0, 1, 2}
if !bytes.Equal(expected, p) {
t.Errorf("incorrect batch result: got %x, want %x", p, expected)
}
}
func TestBatchedError(t *testing.T) {
b := batched(func(p []byte) bool { return false }, 5)
if b(make([]byte, 13)) {
t.Fatal("batched function should have returned false")
}
}
func TestBatchedEmpty(t *testing.T) {
b := batched(func(p []byte) bool { return false }, 5)
if !b(make([]byte, 0)) {
t.Fatal("empty slice should always return true")
}
}
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