mirror of
https://github.com/restic/restic.git
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2b39f9f4b2
Among others, this updates minio-go, so that the new "eu-west-3" zone for AWS is supported.
124 lines
2.3 KiB
Go
124 lines
2.3 KiB
Go
// Copyright 2017 The Go Authors. All rights reserved.
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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 catmsg
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import (
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"fmt"
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"testing"
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)
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func TestEncodeUint(t *testing.T) {
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testCases := []struct {
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x uint64
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enc string
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}{
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{0, "\x00"},
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{1, "\x01"},
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{2, "\x02"},
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{0x7f, "\x7f"},
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{0x80, "\x80\x01"},
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{1 << 14, "\x80\x80\x01"},
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{0xffffffff, "\xff\xff\xff\xff\x0f"},
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{0xffffffffffffffff, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\x01"},
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}
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for _, tc := range testCases {
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buf := [maxVarintBytes]byte{}
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got := string(buf[:encodeUint(buf[:], tc.x)])
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if got != tc.enc {
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t.Errorf("EncodeUint(%#x) = %q; want %q", tc.x, got, tc.enc)
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}
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}
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}
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func TestDecodeUint(t *testing.T) {
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testCases := []struct {
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x uint64
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size int
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enc string
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err error
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}{{
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x: 0,
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size: 0,
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enc: "",
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err: errIllegalVarint,
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}, {
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x: 0,
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size: 1,
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enc: "\x80",
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err: errIllegalVarint,
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}, {
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x: 0,
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size: 3,
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enc: "\x80\x80\x80",
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err: errIllegalVarint,
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}, {
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x: 0,
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size: 1,
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enc: "\x00",
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}, {
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x: 1,
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size: 1,
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enc: "\x01",
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}, {
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x: 2,
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size: 1,
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enc: "\x02",
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}, {
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x: 0x7f,
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size: 1,
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enc: "\x7f",
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}, {
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x: 0x80,
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size: 2,
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enc: "\x80\x01",
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}, {
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x: 1 << 14,
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size: 3,
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enc: "\x80\x80\x01",
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}, {
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x: 0xffffffff,
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size: 5,
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enc: "\xff\xff\xff\xff\x0f",
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}, {
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x: 0xffffffffffffffff,
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size: 10,
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enc: "\xff\xff\xff\xff\xff\xff\xff\xff\xff\x01",
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}, {
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x: 0xffffffffffffffff,
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size: 10,
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enc: "\xff\xff\xff\xff\xff\xff\xff\xff\xff\x01\x00",
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}, {
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x: 0,
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size: 10,
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enc: "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x01",
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err: errVarintTooLarge,
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}}
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forms := []struct {
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name string
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decode func(s string) (x uint64, size int, err error)
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}{
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{"decode", func(s string) (x uint64, size int, err error) {
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return decodeUint([]byte(s))
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}},
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{"decodeString", decodeUintString},
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}
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for _, f := range forms {
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for _, tc := range testCases {
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t.Run(fmt.Sprintf("%s:%q", f.name, tc.enc), func(t *testing.T) {
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x, size, err := f.decode(tc.enc)
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if err != tc.err {
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t.Errorf("err = %q; want %q", err, tc.err)
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}
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if size != tc.size {
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t.Errorf("size = %d; want %d", size, tc.size)
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}
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if x != tc.x {
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t.Errorf("decode = %#x; want %#x", x, tc.x)
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}
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})
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}
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}
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}
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