forked from Deuxfleurs/bottin
55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
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package message
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import (
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"testing"
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"bytes"
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)
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func TestSizeInt64(t *testing.T) {
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s := sizeInt64(0)
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if s != 1 {
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t.Errorf("computed size is %d, expected 1", s)
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}
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s = sizeInt64(127)
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if s != 1 {
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t.Errorf("computed size is %d, expected 1", s)
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}
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s = sizeInt64(128)
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if s != 2 {
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t.Errorf("computed size is %d, expected 2", s)
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}
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s = sizeInt64(50000)
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if s != 3 {
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t.Errorf("computed size is %d, expected 3", s)
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}
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s = sizeInt64(-12345)
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if s != 2 {
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t.Errorf("computed size is %d, expected 2", s)
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}
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}
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func TestWriteInt64(t *testing.T) {
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vtests := []int64{0, 127, 128, 50000, -12345}
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expsize := []int{1, 1, 2, 3, 2}
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expresult := [][]byte{{0x00}, {0x7F}, {0x00, 0x80}, {0x00, 0xc3, 0x50}, {0xcf, 0xc7}}
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for idx, v := range vtests {
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fs := sizeInt64(v)
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b := NewBytes(fs, make([]byte, fs))
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t.Log("computing", v)
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s := writeInt64(b, v)
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if s != expsize[idx] {
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t.Errorf("computed size is %d, expected %d", s, expsize[idx])
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}
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if !bytes.Equal(b.Bytes(), expresult[idx]) {
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t.Errorf("wrong computed bytes, got %v, expected %v", b.Bytes(), expresult[idx])
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}
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a, e := parseInt64(b.Bytes())
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t.Log("parse", a, e)
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}
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}
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