82 lines
1.2 KiB
Go
82 lines
1.2 KiB
Go
// Copyright 2015, David Howden
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package tag
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import (
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"testing"
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)
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func TestGetBit(t *testing.T) {
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for i := uint(0); i < 8; i++ {
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b := byte(1 << i)
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got := getBit(b, i)
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if !got {
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t.Errorf("getBit(%v, %v) = %v, expected %v", b, i, got, true)
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}
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}
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}
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func TestGet7BitChunkedInt(t *testing.T) {
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tests := []struct {
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input []byte
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output int
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}{
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{
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[]byte{},
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0,
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},
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{
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[]byte{0x01},
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1,
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},
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{
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[]byte{0x7F, 0x7F},
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0x3FFF,
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},
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}
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for ii, tt := range tests {
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got := get7BitChunkedInt(tt.input)
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if got != tt.output {
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t.Errorf("[%d] get7BitChunkedInt(%v) = %v, expected %v", ii, tt.input, got, tt.output)
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}
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}
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}
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func TestGetInt(t *testing.T) {
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tests := []struct {
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input []byte
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output int
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}{
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{
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[]byte{},
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0,
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},
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{
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[]byte{0x01},
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1,
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},
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{
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[]byte{0xF1, 0xF2},
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0xF1F2,
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},
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{
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[]byte{0xF1, 0xF2, 0xF3},
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0xF1F2F3,
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},
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{
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[]byte{0xF1, 0xF2, 0xF3, 0xF4},
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0xF1F2F3F4,
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},
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}
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for ii, tt := range tests {
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got := getInt(tt.input)
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if got != tt.output {
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t.Errorf("[%d] getInt(%v) = %v, expected %v", ii, tt.input, got, tt.output)
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}
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}
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}
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