OpenDiablo2/d2common/d2datautils/stream_reader_test.go

67 lines
1.8 KiB
Go

package d2datautils
import (
"testing"
)
func TestStreamReaderByte(t *testing.T) {
data := []byte{0x78, 0x56, 0x34, 0x12}
sr := CreateStreamReader(data)
if sr.GetPosition() != 0 {
t.Fatal("StreamReader.GetPosition() did not start at 0")
}
if ss := sr.GetSize(); ss != 4 {
t.Fatalf("StreamREader.GetSize() was expected to return %d, but returned %d instead", 4, ss)
}
for i := 0; i < len(data); i++ {
ret := sr.GetByte()
if ret != data[i] {
t.Fatalf("StreamReader.GetDword() was expected to return %X, but returned %X instead", data[i], ret)
}
if pos := sr.GetPosition(); pos != uint64(i+1) {
t.Fatalf("StreamReader.GetPosition() should be at %d, but was at %d instead", i, pos)
}
}
}
func TestStreamReaderWord(t *testing.T) {
data := []byte{0x78, 0x56, 0x34, 0x12}
sr := CreateStreamReader(data)
ret := sr.GetUInt16()
if ret != 0x5678 {
t.Fatalf("StreamReader.GetDword() was expected to return %X, but returned %X instead", 0x5678, ret)
}
if pos := sr.GetPosition(); pos != 2 {
t.Fatalf("StreamReader.GetPosition() should be at %d, but was at %d instead", 2, pos)
}
ret = sr.GetUInt16()
if ret != 0x1234 {
t.Fatalf("StreamReader.GetDword() was expected to return %X, but returned %X instead", 0x1234, ret)
}
if pos := sr.GetPosition(); pos != 4 {
t.Fatalf("StreamReader.GetPosition() should be at %d, but was at %d instead", 4, pos)
}
}
func TestStreamReaderDword(t *testing.T) {
data := []byte{0x78, 0x56, 0x34, 0x12}
sr := CreateStreamReader(data)
ret := sr.GetUInt32()
if ret != 0x12345678 {
t.Fatalf("StreamReader.GetDword() was expected to return %X, but returned %X instead", 0x12345678, ret)
}
if pos := sr.GetPosition(); pos != 4 {
t.Fatalf("StreamReader.GetPosition() should be at %d, but was at %d instead", 4, pos)
}
}