43 lines
958 B
Go
43 lines
958 B
Go
package solana
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import (
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"bytes"
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestVaruint16(t *testing.T) {
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tests := []struct {
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input uint16
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expect []byte
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}{
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{input: 0x0, expect: []byte{0x0}},
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{input: 0x7f, expect: []byte{0x7f}},
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{input: 0x80, expect: []byte{0x80, 0x01}},
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{input: 0xff, expect: []byte{0xff, 0x01}},
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{input: 0x100, expect: []byte{0x80, 0x02}},
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{input: 0x7fff, expect: []byte{0xff, 0xff, 0x01}},
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{input: 0xffff, expect: []byte{0xff, 0xff, 0x03}},
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}
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for idx, test := range tests {
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t.Run(fmt.Sprintf("%d", idx+1), func(t *testing.T) {
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el := Varuint16(test.input)
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b := make([]byte, 3)
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size, err := el.Pack(b, nil)
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require.NoError(t, err)
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assert.Equal(t, test.expect, b[:size])
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buf := bytes.NewBuffer(b)
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target := Varuint16(0)
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require.NoError(t, (&target).Unpack(buf, 0, nil))
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assert.Equal(t, test.input, uint16(target))
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})
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}
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}
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