63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
package packet
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import (
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"bytes"
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"testing"
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)
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var VarInts = []VarInt{0, 1, 2, 127, 128, 255, 2147483647, -1, -2147483648}
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var PackedVarInts = [][]byte{
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[]byte{0x00},
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[]byte{0x01},
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[]byte{0x02},
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[]byte{0x7f},
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[]byte{0x80, 0x01},
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[]byte{0xff, 0x01},
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[]byte{0xff, 0xff, 0xff, 0xff, 0x07},
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[]byte{0xff, 0xff, 0xff, 0xff, 0x0f},
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[]byte{0x80, 0x80, 0x80, 0x80, 0x08},
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}
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func TestPackInt(t *testing.T) {
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for i, v := range VarInts {
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p := v.Encode()
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if !bytes.Equal(p, PackedVarInts[i]) {
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t.Errorf("pack int %d should be \"% x\", get \"% x\"", v, PackedVarInts[i], p)
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}
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}
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}
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func TestUnpackInt(t *testing.T) {
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for i, v := range PackedVarInts {
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var vi VarInt
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if err := vi.Decode(bytes.NewReader(v)); err != nil {
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t.Errorf("unpack \"% x\" error: %v", v, err)
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}
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if vi != VarInts[i] {
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t.Errorf("unpack \"% x\" should be %d, get %d", v, VarInts[i], vi)
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}
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}
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}
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// func TestPositionPack(t *testing.T) {
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// // This test is not good.
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// for x := -33554432; x < 33554432; x += 55443 {
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// for y := -2048; y < 2048; y += 48 {
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// for z := -33554432; z < 33554432; z += 55443 {
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// var (
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// pos1 Position
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// pos2 = Position{x, y, z}
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// )
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// if err := pos1.Decode(bytes.NewReader(pos2.Encode())); err != nil {
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// t.Errorf("Position decode fail: %v", err)
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// }
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// if pos1 != pos2 {
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// t.Errorf("cannot pack %v", pos2)
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// }
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// }
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// }
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// }
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// }
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