mirror of
https://github.com/restic/restic.git
synced 2024-08-21 20:03:23 +02:00
Among others, this updates minio-go, so that the new "eu-west-3" zone for AWS is supported.
184 lines
4.2 KiB
Go
184 lines
4.2 KiB
Go
// Copyright 2012 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 colltab
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import (
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"fmt"
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"testing"
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"unicode"
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)
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func (e Elem) String() string {
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q := ""
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if v := e.Quaternary(); v == MaxQuaternary {
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q = "max"
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} else {
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q = fmt.Sprint(v)
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}
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return fmt.Sprintf("[%d, %d, %d, %s]",
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e.Primary(),
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e.Secondary(),
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e.Tertiary(),
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q)
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}
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type ceTest struct {
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f func(inout []int) (Elem, ceType)
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arg []int
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}
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func makeCE(weights []int) Elem {
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ce, _ := MakeElem(weights[0], weights[1], weights[2], uint8(weights[3]))
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return ce
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}
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var defaultValues = []int{0, defaultSecondary, defaultTertiary, 0}
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func e(w ...int) Elem {
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return makeCE(append(w, defaultValues[len(w):]...))
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}
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func makeContractIndex(index, n, offset int) Elem {
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const (
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contractID = 0xC0000000
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maxNBits = 4
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maxTrieIndexBits = 12
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maxContractOffsetBits = 13
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)
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ce := Elem(contractID)
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ce += Elem(offset << (maxNBits + maxTrieIndexBits))
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ce += Elem(index << maxNBits)
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ce += Elem(n)
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return ce
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}
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func makeExpandIndex(index int) Elem {
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const expandID = 0xE0000000
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return expandID + Elem(index)
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}
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func makeDecompose(t1, t2 int) Elem {
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const decompID = 0xF0000000
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return Elem(t2<<8+t1) + decompID
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}
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func normalCE(inout []int) (ce Elem, t ceType) {
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ce = makeCE(inout)
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inout[0] = ce.Primary()
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inout[1] = ce.Secondary()
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inout[2] = int(ce.Tertiary())
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inout[3] = int(ce.CCC())
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return ce, ceNormal
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}
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func expandCE(inout []int) (ce Elem, t ceType) {
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ce = makeExpandIndex(inout[0])
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inout[0] = splitExpandIndex(ce)
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return ce, ceExpansionIndex
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}
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func contractCE(inout []int) (ce Elem, t ceType) {
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ce = makeContractIndex(inout[0], inout[1], inout[2])
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i, n, o := splitContractIndex(ce)
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inout[0], inout[1], inout[2] = i, n, o
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return ce, ceContractionIndex
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}
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func decompCE(inout []int) (ce Elem, t ceType) {
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ce = makeDecompose(inout[0], inout[1])
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t1, t2 := splitDecompose(ce)
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inout[0], inout[1] = int(t1), int(t2)
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return ce, ceDecompose
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}
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var ceTests = []ceTest{
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{normalCE, []int{0, 0, 0, 0}},
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{normalCE, []int{0, 30, 3, 0}},
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{normalCE, []int{0, 30, 3, 0xFF}},
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{normalCE, []int{100, defaultSecondary, defaultTertiary, 0}},
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{normalCE, []int{100, defaultSecondary, defaultTertiary, 0xFF}},
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{normalCE, []int{100, defaultSecondary, 3, 0}},
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{normalCE, []int{0x123, defaultSecondary, 8, 0xFF}},
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{contractCE, []int{0, 0, 0}},
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{contractCE, []int{1, 1, 1}},
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{contractCE, []int{1, (1 << maxNBits) - 1, 1}},
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{contractCE, []int{(1 << maxTrieIndexBits) - 1, 1, 1}},
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{contractCE, []int{1, 1, (1 << maxContractOffsetBits) - 1}},
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{expandCE, []int{0}},
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{expandCE, []int{5}},
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{expandCE, []int{(1 << maxExpandIndexBits) - 1}},
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{decompCE, []int{0, 0}},
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{decompCE, []int{1, 1}},
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{decompCE, []int{0x1F, 0x1F}},
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}
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func TestColElem(t *testing.T) {
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for i, tt := range ceTests {
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inout := make([]int, len(tt.arg))
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copy(inout, tt.arg)
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ce, typ := tt.f(inout)
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if ce.ctype() != typ {
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t.Errorf("%d: type is %d; want %d (ColElem: %X)", i, ce.ctype(), typ, ce)
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}
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for j, a := range tt.arg {
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if inout[j] != a {
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t.Errorf("%d: argument %d is %X; want %X (ColElem: %X)", i, j, inout[j], a, ce)
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}
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}
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}
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}
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type implicitTest struct {
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r rune
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p int
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}
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var implicitTests = []implicitTest{
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{0x33FF, 0x533FF},
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{0x3400, 0x23400},
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{0x4DC0, 0x54DC0},
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{0x4DFF, 0x54DFF},
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{0x4E00, 0x14E00},
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{0x9FCB, 0x19FCB},
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{0xA000, 0x5A000},
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{0xF8FF, 0x5F8FF},
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{0xF900, 0x1F900},
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{0xFA23, 0x1FA23},
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{0xFAD9, 0x1FAD9},
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{0xFB00, 0x5FB00},
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{0x20000, 0x40000},
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{0x2B81C, 0x4B81C},
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{unicode.MaxRune, 0x15FFFF}, // maximum primary value
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}
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func TestImplicit(t *testing.T) {
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for _, tt := range implicitTests {
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if p := implicitPrimary(tt.r); p != tt.p {
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t.Errorf("%U: was %X; want %X", tt.r, p, tt.p)
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}
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}
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}
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func TestUpdateTertiary(t *testing.T) {
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tests := []struct {
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in, out Elem
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t uint8
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}{
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{0x4000FE20, 0x0000FE8A, 0x0A},
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{0x4000FE21, 0x0000FEAA, 0x0A},
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{0x0000FE8B, 0x0000FE83, 0x03},
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{0x82FF0188, 0x9BFF0188, 0x1B},
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{0xAFF0CC02, 0xAFF0CC1B, 0x1B},
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}
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for i, tt := range tests {
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if out := tt.in.updateTertiary(tt.t); out != tt.out {
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t.Errorf("%d: was %X; want %X", i, out, tt.out)
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}
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}
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}
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