Files
go-mc/nbt/marshal_test.go

58 lines
1.4 KiB
Go

package nbt
import (
"bytes"
"math"
"testing"
)
func TestMarshal_IntArray(t *testing.T) {
// Test marshal pure Int array
v := []int32{0, -10, 3}
out := []byte{TagIntArray, 0x00, 0x00, 0, 0, 0, 3,
0x00, 0x00, 0x00, 0x00,
0xff, 0xff, 0xff, 0xf6,
0x00, 0x00, 0x00, 0x03,
}
var buf bytes.Buffer
if err := Marshal(&buf, v); err != nil {
t.Error(err)
} else if !bytes.Equal(buf.Bytes(), out) {
t.Errorf("output binary not right: get % 02x, want % 02x ", buf.Bytes(), out)
}
// Test marshal in a struct
v2 := struct {
Ary []int32 `nbt:"ary"`
}{[]int32{0, -10, 3}}
out = []byte{TagCompound, 0x00, 0x00,
TagIntArray, 0x00, 0x03, 'a', 'r', 'y', 0, 0, 0, 3,
0x00, 0x00, 0x00, 0x00, // 0
0xff, 0xff, 0xff, 0xf6, // -10
0x00, 0x00, 0x00, 0x03, // 3
TagEnd,
}
buf.Reset()
if err := Marshal(&buf, v2); err != nil {
t.Error(err)
} else if !bytes.Equal(buf.Bytes(), out) {
t.Errorf("output binary not right: get % 02x, want % 02x ", buf.Bytes(), out)
}
}
func TestMarshal_FloatArray(t *testing.T) {
// Test marshal pure Int array
v := []float32{0.3, -100, float32(math.NaN())}
out := []byte{TagList, 0x00, 0x00, TagFloat, 0, 0, 0, 3,
0x3e, 0x99, 0x99, 0x9a, // 0.3
0xc2, 0xc8, 0x00, 0x00, // -100
0x7f, 0xc0, 0x00, 0x00, // NaN
}
var buf bytes.Buffer
if err := Marshal(&buf, v); err != nil {
t.Error(err)
} else if !bytes.Equal(buf.Bytes(), out) {
t.Errorf("output binary not right: get % 02x, want % 02x ", buf.Bytes(), out)
}
}