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package lmdb
import (
"bytes"
"reflect"
"testing"
)
func TestMultiVal(t *testing.T) {
data := []byte("abcdef")
m := WrapMulti(data, 2)
vals := m.Vals()
if !reflect.DeepEqual(vals, [][]byte{{'a', 'b'}, {'c', 'd'}, {'e', 'f'}}) {
t.Errorf("unexpected vals: %q", vals)
}
size := m.Size()
if size != 6 {
t.Errorf("unexpected size: %v (!= %v)", size, 6)
}
length := m.Len()
if length != 3 {
t.Errorf("unexpected length: %v (!= %v)", length, 3)
}
stride := m.Stride()
if stride != 2 {
t.Errorf("unexpected stride: %v (!= %v)", stride, 2)
}
page := m.Page()
if !bytes.Equal(page, data) {
t.Errorf("unexpected page: %v (!= %v)", page, data)
}
}
func TestMultiVal_panic(t *testing.T) {
var p bool
defer func() {
if e := recover(); e != nil {
p = true
}
if !p {
t.Errorf("expected a panic")
}
}()
WrapMulti([]byte("123"), 2)
}
func TestValBytes(t *testing.T) {
ptr, n := valBytes(nil)
if len(ptr) == 0 {
t.Errorf("unexpected unaddressable slice")
}
if n != 0 {
t.Errorf("unexpected length: %d (expected 0)", n)
}
b := []byte("abc")
ptr, n = valBytes(b)
if len(ptr) == 0 {
t.Errorf("unexpected unaddressable slice")
}
if n != 3 {
t.Errorf("unexpected length: %d (expected %d)", n, len(b))
}
}
func TestVal(t *testing.T) {
orig := []byte("hey hey")
val := wrapVal(orig)
p := getBytes(val)
if !bytes.Equal(p, orig) {
t.Errorf("getBytes() not the same as original data: %q", p)
}
if &p[0] != &orig[0] {
t.Errorf("getBytes() is not the same slice as original")
}
p = getBytesCopy(val)
if !bytes.Equal(p, orig) {
t.Errorf("getBytesCopy() not the same as original data: %q", p)
}
if &p[0] == &orig[0] {
t.Errorf("getBytesCopy() overlaps with orignal slice")
}
}
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