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stream writer test: added test for pushing bits

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This commit is contained in:
M. Sz 2021-02-06 20:43:04 +01:00
parent 20f0d8a3d5
commit 8e1ca1dd7f
1 changed files with 56 additions and 0 deletions
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56
d2common/d2datautils/stream_writer_test.go
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@ -4,6 +4,62 @@ import (
"testing"
)
func TestStreamWriterBits(t *testing.T) {
sr := CreateStreamWriter()
data := []byte{221, 19}
for _, i := range data {
sr.PushBits(i, bitsPerByte)
}
output := sr.GetBytes()
for i, d := range data {
if output[i] != d {
t.Fatalf("sr.PushBits() pushed %X, but wrote %X instead", d, output[i])
}
}
}
func TestStreamWriterBits16(t *testing.T) {
sr := CreateStreamWriter()
data := []uint16{1024, 19}
for _, i := range data {
sr.PushBits16(i, bitsPerByte*bytesPerint16)
}
output := sr.GetBytes()
for i, d := range data {
outputInt := uint16(output[bytesPerint16*i]) | uint16(output[bytesPerint16*i+1])<<8
if outputInt != d {
t.Fatalf("sr.PushBits16() pushed %X, but wrote %X instead", d, output[i])
}
}
}
func TestStreamWriterBits32(t *testing.T) {
sr := CreateStreamWriter()
data := []uint32{19324, 87}
for _, i := range data {
sr.PushBits32(i, bitsPerByte*bytesPerint32)
}
output := sr.GetBytes()
for i, d := range data {
outputInt := uint32(output[bytesPerint32*i]) |
uint32(output[bytesPerint32*i+1])<<8 |
uint32(output[bytesPerint32*i+2])<<16 |
uint32(output[bytesPerint32*i+3])<<24
if outputInt != d {
t.Fatalf("sr.PushBits32() pushed %X, but wrote %X instead", d, output[i])
}
}
}
func TestStreamWriterByte(t *testing.T) {
sr := CreateStreamWriter()
data := []byte{0x12, 0x34, 0x56, 0x78}