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bit_buffer_test.go
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package bit_buffer
import (
"github.com/stretchr/testify/assert"
"testing"
)
func TestBitBuffer_WriteBit(t *testing.T) {
buffer := New()
assert.Equal(t, "1", buffer.WriteBit(1).ToBinaryString())
assert.Equal(t, "10", buffer.WriteBit(0).ToBinaryString())
assert.Equal(t, "101", buffer.WriteBit(1).ToBinaryString())
assert.Equal(t, "1010", buffer.WriteBit(0).ToBinaryString())
assert.Equal(t, "10101", buffer.WriteBit(1).ToBinaryString())
assert.Equal(t, "101010", buffer.WriteBit(0).ToBinaryString())
assert.Equal(t, "1010101", buffer.WriteBit(1).ToBinaryString())
assert.Equal(t, "10101011", buffer.WriteBit(1).ToBinaryString())
assert.Equal(t, "101010111", buffer.WriteBit(1).ToBinaryString())
assert.Equal(t, "1010101111", buffer.WriteBit(1).ToBinaryString())
}
func TestBitBuffer_WriteByte(t *testing.T) {
buffer := New()
assert.Equal(t, "11111111", buffer.WriteByte(0xFF).ToBinaryString())
assert.Equal(t, "111111110", buffer.WriteBit(0).ToBinaryString())
assert.Equal(t, "1111111101", buffer.WriteBit(1).ToBinaryString())
assert.Equal(t, "111111110111111111", buffer.WriteByte(0xFF).ToBinaryString())
}
func TestBitBuffer_SetBytes(t *testing.T) {
buffer := New().SetBytes([]byte{0x1, 0x2})
assert.Equal(t, []byte{0x1, 0x2}, buffer.Bytes())
}
func TestBitBuffer_Capacity(t *testing.T) {
buffer := New()
assert.Equal(t, 8, buffer.Capacity())
assert.Equal(t, 8, buffer.WriteBit(0x1).Capacity())
assert.Equal(t, 16, buffer.WriteByte(0xFF).Capacity())
}
func TestBitBuffer_GetSeek(t *testing.T) {
buffer := New()
assert.Equal(t, 0, buffer.GetSeek())
assert.Equal(t, 1, buffer.WriteBit(0x1).GetSeek())
}
func TestBitBuffer_Seek(t *testing.T) {
buffer := New().WriteByte(0xFF)
assert.Equal(t, "11111111", buffer.ToBinaryString())
assert.Equal(t, "", buffer.Seek(0).ToBinaryString())
assert.Equal(t, "1", buffer.Seek(1).ToBinaryString())
assert.Equal(t, "11", buffer.Seek(2).ToBinaryString())
assert.Equal(t, "111", buffer.Seek(3).ToBinaryString())
assert.Equal(t, "1111111", buffer.Seek(7).ToBinaryString())
assert.Equal(t, "11111111", buffer.Seek(8).ToBinaryString())
assert.Equal(t, "111111110", buffer.Seek(9).ToBinaryString())
assert.Equal(t, "111111110000000", buffer.Seek(15).ToBinaryString())
assert.Equal(t, "1111111100000000", buffer.Seek(16).ToBinaryString())
assert.Equal(t, "101111110000000000000000", buffer.Seek(1).WriteBit(0).SeekTail().ToBinaryString())
}
func TestBitBuffer_SeekHead(t *testing.T) {
buffer := New().WriteByte(0xFF)
assert.Equal(t, "11111111", buffer.ToBinaryString())
assert.Equal(t, "", buffer.SeekHead().ToBinaryString())
assert.Equal(t, "1", buffer.WriteBit(0x1).ToBinaryString())
}
func TestBitBuffer_SeekTail(t *testing.T) {
buffer := New().WriteByte(0xFF)
assert.Equal(t, "11111111", buffer.ToBinaryString())
assert.Equal(t, "11111111", buffer.SeekTail().ToBinaryString())
assert.Equal(t, "111111111", buffer.WriteBit(0x1).ToBinaryString())
}
func TestBitBuffer_ReadBit(t *testing.T) {
buffer := New().WriteByte(0xF0).SeekHead()
assert.Equal(t, 1, buffer.ReadBit())
assert.False(t, buffer.IsTail())
assert.Equal(t, 1, buffer.ReadBit())
assert.False(t, buffer.IsTail())
assert.Equal(t, 1, buffer.ReadBit())
assert.False(t, buffer.IsTail())
assert.Equal(t, 1, buffer.ReadBit())
assert.False(t, buffer.IsTail())
assert.Equal(t, 0, buffer.ReadBit())
assert.False(t, buffer.IsTail())
assert.Equal(t, 0, buffer.ReadBit())
assert.False(t, buffer.IsTail())
assert.Equal(t, 0, buffer.ReadBit())
assert.False(t, buffer.IsTail())
assert.Equal(t, 0, buffer.ReadBit())
assert.True(t, buffer.IsTail())
}