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bitlib_test.go
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bitlib_test.go
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package bitlib_test
import (
"bytes"
"encoding/binary"
"testing"
"github.com/EliCDavis/bitlib"
"github.com/stretchr/testify/assert"
)
type TestStruct struct {
A bool
B int32
}
func TestReadWriteArray(t *testing.T) {
// ARRANGE ================================================================
var f64Arr []float64 = []float64{1, 2}
var f32Arr []float32 = []float32{1, 2}
buf := bytes.Buffer{}
// ACT ====================================================================
writer := bitlib.NewWriter(&buf, binary.LittleEndian)
assert.NoError(t, bitlib.WriteArray(writer, f64Arr))
assert.NoError(t, bitlib.WriteArray(writer, f32Arr))
reader := bitlib.NewReader(bytes.NewBuffer(buf.Bytes()), binary.LittleEndian)
f64Back, _ := bitlib.ReadArray[float64](reader, len(f64Arr))
f32Back, _ := bitlib.ReadArray[float32](reader, len(f32Arr))
// ASSERT =================================================================
assert.Equal(t, f64Arr, f64Back)
assert.Equal(t, f32Arr, f32Back)
assert.NoError(t, reader.Error())
assert.NoError(t, writer.Error())
}
func TestReadWrite(t *testing.T) {
buf := bytes.Buffer{}
var f64Val float64 = 1.23456789
var f32Val float32 = 1.23456789
var i64Val int64 = -12334567890000
var i32Val int32 = -123345678
var i16Val int16 = -12334
var u64Val uint64 = 12334567890000
var u32Val uint32 = 123345678
var u16Val uint16 = 12334
var bVal byte = 14
var bVal2 byte = 222
var bArr []byte = []byte{1, 2, 3, 4, 5}
var f64Arr []float64 = []float64{1, 2, 3, 4, 5}
var f32Arr []float32 = []float32{1, 2, 3, 4, 5}
var i32Arr []int32 = []int32{-1, -2, -3, -4, -5}
var u32Arr []uint32 = []uint32{1, 2, 3, 4, 5}
var bGenArr []byte = []byte{5, 4, 3, 2, 1}
var structVal TestStruct = TestStruct{
A: true,
B: 32,
}
var strVal = "test string!!!"
// Write
writer := bitlib.NewWriter(&buf, binary.LittleEndian)
writer.Float64(f64Val)
writer.Float32(f32Val)
writer.Int64(i64Val)
writer.Int32(i32Val)
writer.Int16(i16Val)
writer.UInt64(u64Val)
writer.UInt32(u32Val)
writer.UInt16(u16Val)
writer.VarInt(i64Val)
writer.UVarInt(u64Val)
writer.Byte(bVal)
writer.WriteByte(bVal2)
writer.ByteArray(bArr)
writer.Float64Array(f64Arr)
writer.Float32Array(f32Arr)
writer.Int32Array(i32Arr)
writer.Uint32Array(u32Arr)
writer.Any(structVal)
writer.WriteString(strVal)
writeCount, writeErr := writer.Write(bGenArr)
assert.NoError(t, writeErr)
// Read
reader := bitlib.NewReader(bytes.NewBuffer(buf.Bytes()), binary.LittleEndian)
readf64Val := reader.Float64()
readf32Val := reader.Float32()
readi64Val := reader.Int64()
readi32Val := reader.Int32()
readi16Val := reader.Int16()
readu64Val := reader.UInt64()
readu32Val := reader.UInt32()
readu16Val := reader.UInt16()
readivar64Val := reader.VarInt()
readuvar64Val := reader.UVarInt()
readbVal := reader.Byte()
readbVal2, _ := reader.ReadByte()
readbArrVal := reader.ByteArray(len(bArr))
readf64ArrVal := reader.Float64Array(len(f64Arr))
readf32ArrVal := reader.Float32Array(len(f32Arr))
readi32ArrVal := reader.Int32Array(len(i32Arr))
readu32ArrVal := reader.Uint32Array(len(u32Arr))
var readStructVal TestStruct
reader.Any(&readStructVal)
readStr := reader.String(len(strVal))
readByesArr := make([]byte, len(bGenArr))
readCount, readErr := reader.Read(readByesArr)
assert.NoError(t, readErr)
assert.NoError(t, writer.Error())
assert.NoError(t, reader.Error())
assert.Equal(t, f64Val, readf64Val)
assert.Equal(t, f32Val, readf32Val)
assert.Equal(t, i64Val, readi64Val)
assert.Equal(t, i32Val, readi32Val)
assert.Equal(t, i16Val, readi16Val)
assert.Equal(t, u64Val, readu64Val)
assert.Equal(t, u32Val, readu32Val)
assert.Equal(t, u16Val, readu16Val)
assert.Equal(t, i64Val, readivar64Val)
assert.Equal(t, u64Val, readuvar64Val)
assert.Equal(t, bVal, readbVal)
assert.Equal(t, bVal2, readbVal2)
assert.Equal(t, bArr, readbArrVal)
assert.Equal(t, f64Arr, readf64ArrVal)
assert.Equal(t, f32Arr, readf32ArrVal)
assert.Equal(t, i32Arr, readi32ArrVal)
assert.Equal(t, u32Arr, readu32ArrVal)
assert.Equal(t, structVal, readStructVal)
assert.Equal(t, strVal, readStr)
assert.Equal(t, writeCount, readCount)
assert.Equal(t, len(bGenArr), readCount)
assert.Equal(t, readByesArr, bGenArr)
// Reading arrays with length 0 returns nil
assert.Equal(t, "", reader.String(0))
assert.Equal(t, []byte(nil), reader.ByteArray(0))
assert.Equal(t, []uint32(nil), reader.Uint32Array(0))
assert.Equal(t, []int32(nil), reader.Int32Array(0))
assert.Equal(t, []float32(nil), reader.Float32Array(0))
assert.Equal(t, []float64(nil), reader.Float64Array(0))
}