forked from cerc-io/ipld-eth-server
483 lines
14 KiB
Go
483 lines
14 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 collate
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import (
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"bytes"
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"testing"
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"golang.org/x/text/internal/colltab"
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"golang.org/x/text/language"
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)
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type weightsTest struct {
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opt opts
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in, out ColElems
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}
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type opts struct {
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lev int
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alt alternateHandling
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top int
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backwards bool
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caseLevel bool
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}
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// ignore returns an initialized boolean array based on the given Level.
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// A negative value means using the default setting of quaternary.
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func ignore(level colltab.Level) (ignore [colltab.NumLevels]bool) {
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if level < 0 {
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level = colltab.Quaternary
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}
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for i := range ignore {
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ignore[i] = level < colltab.Level(i)
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}
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return ignore
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}
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func makeCE(w []int) colltab.Elem {
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ce, err := colltab.MakeElem(w[0], w[1], w[2], uint8(w[3]))
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if err != nil {
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panic(err)
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}
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return ce
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}
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func (o opts) collator() *Collator {
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c := &Collator{
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options: options{
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ignore: ignore(colltab.Level(o.lev - 1)),
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alternate: o.alt,
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backwards: o.backwards,
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caseLevel: o.caseLevel,
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variableTop: uint32(o.top),
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},
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}
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return c
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}
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const (
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maxQ = 0x1FFFFF
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)
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func wpq(p, q int) Weights {
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return W(p, defaults.Secondary, defaults.Tertiary, q)
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}
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func wsq(s, q int) Weights {
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return W(0, s, defaults.Tertiary, q)
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}
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func wq(q int) Weights {
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return W(0, 0, 0, q)
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}
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var zero = W(0, 0, 0, 0)
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var processTests = []weightsTest{
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// Shifted
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{ // simple sequence of non-variables
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opt: opts{alt: altShifted, top: 100},
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in: ColElems{W(200), W(300), W(400)},
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out: ColElems{wpq(200, maxQ), wpq(300, maxQ), wpq(400, maxQ)},
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},
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{ // first is a variable
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opt: opts{alt: altShifted, top: 250},
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in: ColElems{W(200), W(300), W(400)},
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out: ColElems{wq(200), wpq(300, maxQ), wpq(400, maxQ)},
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},
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{ // all but first are variable
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opt: opts{alt: altShifted, top: 999},
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in: ColElems{W(1000), W(200), W(300), W(400)},
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out: ColElems{wpq(1000, maxQ), wq(200), wq(300), wq(400)},
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},
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{ // first is a modifier
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opt: opts{alt: altShifted, top: 999},
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in: ColElems{W(0, 10), W(1000)},
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out: ColElems{wsq(10, maxQ), wpq(1000, maxQ)},
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},
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{ // primary ignorables
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opt: opts{alt: altShifted, top: 250},
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in: ColElems{W(200), W(0, 10), W(300), W(0, 15), W(400)},
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out: ColElems{wq(200), zero, wpq(300, maxQ), wsq(15, maxQ), wpq(400, maxQ)},
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},
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{ // secondary ignorables
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opt: opts{alt: altShifted, top: 250},
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in: ColElems{W(200), W(0, 0, 10), W(300), W(0, 0, 15), W(400)},
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out: ColElems{wq(200), zero, wpq(300, maxQ), W(0, 0, 15, maxQ), wpq(400, maxQ)},
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},
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{ // tertiary ignorables, no change
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opt: opts{alt: altShifted, top: 250},
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in: ColElems{W(200), zero, W(300), zero, W(400)},
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out: ColElems{wq(200), zero, wpq(300, maxQ), zero, wpq(400, maxQ)},
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},
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// ShiftTrimmed (same as Shifted)
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{ // simple sequence of non-variables
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opt: opts{alt: altShiftTrimmed, top: 100},
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in: ColElems{W(200), W(300), W(400)},
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out: ColElems{wpq(200, maxQ), wpq(300, maxQ), wpq(400, maxQ)},
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},
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{ // first is a variable
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opt: opts{alt: altShiftTrimmed, top: 250},
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in: ColElems{W(200), W(300), W(400)},
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out: ColElems{wq(200), wpq(300, maxQ), wpq(400, maxQ)},
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},
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{ // all but first are variable
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opt: opts{alt: altShiftTrimmed, top: 999},
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in: ColElems{W(1000), W(200), W(300), W(400)},
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out: ColElems{wpq(1000, maxQ), wq(200), wq(300), wq(400)},
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},
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{ // first is a modifier
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opt: opts{alt: altShiftTrimmed, top: 999},
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in: ColElems{W(0, 10), W(1000)},
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out: ColElems{wsq(10, maxQ), wpq(1000, maxQ)},
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},
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{ // primary ignorables
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opt: opts{alt: altShiftTrimmed, top: 250},
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in: ColElems{W(200), W(0, 10), W(300), W(0, 15), W(400)},
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out: ColElems{wq(200), zero, wpq(300, maxQ), wsq(15, maxQ), wpq(400, maxQ)},
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},
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{ // secondary ignorables
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opt: opts{alt: altShiftTrimmed, top: 250},
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in: ColElems{W(200), W(0, 0, 10), W(300), W(0, 0, 15), W(400)},
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out: ColElems{wq(200), zero, wpq(300, maxQ), W(0, 0, 15, maxQ), wpq(400, maxQ)},
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},
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{ // tertiary ignorables, no change
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opt: opts{alt: altShiftTrimmed, top: 250},
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in: ColElems{W(200), zero, W(300), zero, W(400)},
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out: ColElems{wq(200), zero, wpq(300, maxQ), zero, wpq(400, maxQ)},
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},
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// Blanked
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{ // simple sequence of non-variables
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opt: opts{alt: altBlanked, top: 100},
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in: ColElems{W(200), W(300), W(400)},
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out: ColElems{W(200), W(300), W(400)},
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},
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{ // first is a variable
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opt: opts{alt: altBlanked, top: 250},
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in: ColElems{W(200), W(300), W(400)},
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out: ColElems{zero, W(300), W(400)},
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},
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{ // all but first are variable
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opt: opts{alt: altBlanked, top: 999},
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in: ColElems{W(1000), W(200), W(300), W(400)},
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out: ColElems{W(1000), zero, zero, zero},
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},
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{ // first is a modifier
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opt: opts{alt: altBlanked, top: 999},
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in: ColElems{W(0, 10), W(1000)},
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out: ColElems{W(0, 10), W(1000)},
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},
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{ // primary ignorables
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opt: opts{alt: altBlanked, top: 250},
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in: ColElems{W(200), W(0, 10), W(300), W(0, 15), W(400)},
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out: ColElems{zero, zero, W(300), W(0, 15), W(400)},
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},
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{ // secondary ignorables
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opt: opts{alt: altBlanked, top: 250},
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in: ColElems{W(200), W(0, 0, 10), W(300), W(0, 0, 15), W(400)},
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out: ColElems{zero, zero, W(300), W(0, 0, 15), W(400)},
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},
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{ // tertiary ignorables, no change
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opt: opts{alt: altBlanked, top: 250},
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in: ColElems{W(200), zero, W(300), zero, W(400)},
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out: ColElems{zero, zero, W(300), zero, W(400)},
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},
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// Non-ignorable: input is always equal to output.
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{ // all but first are variable
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opt: opts{alt: altNonIgnorable, top: 999},
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in: ColElems{W(1000), W(200), W(300), W(400)},
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out: ColElems{W(1000), W(200), W(300), W(400)},
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},
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{ // primary ignorables
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opt: opts{alt: altNonIgnorable, top: 250},
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in: ColElems{W(200), W(0, 10), W(300), W(0, 15), W(400)},
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out: ColElems{W(200), W(0, 10), W(300), W(0, 15), W(400)},
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},
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{ // secondary ignorables
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opt: opts{alt: altNonIgnorable, top: 250},
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in: ColElems{W(200), W(0, 0, 10), W(300), W(0, 0, 15), W(400)},
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out: ColElems{W(200), W(0, 0, 10), W(300), W(0, 0, 15), W(400)},
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},
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{ // tertiary ignorables, no change
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opt: opts{alt: altNonIgnorable, top: 250},
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in: ColElems{W(200), zero, W(300), zero, W(400)},
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out: ColElems{W(200), zero, W(300), zero, W(400)},
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},
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}
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func TestProcessWeights(t *testing.T) {
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for i, tt := range processTests {
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in := convertFromWeights(tt.in)
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out := convertFromWeights(tt.out)
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processWeights(tt.opt.alt, uint32(tt.opt.top), in)
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for j, w := range in {
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if w != out[j] {
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t.Errorf("%d: Weights %d was %v; want %v", i, j, w, out[j])
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}
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}
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}
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}
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type keyFromElemTest struct {
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opt opts
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in ColElems
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out []byte
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}
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var defS = byte(defaults.Secondary)
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var defT = byte(defaults.Tertiary)
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const sep = 0 // separator byte
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var keyFromElemTests = []keyFromElemTest{
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{ // simple primary and secondary weights.
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opts{alt: altShifted},
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ColElems{W(0x200), W(0x7FFF), W(0, 0x30), W(0x100)},
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[]byte{0x2, 0, 0x7F, 0xFF, 0x1, 0x00, // primary
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sep, sep, 0, defS, 0, defS, 0, 0x30, 0, defS, // secondary
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sep, sep, defT, defT, defT, defT, // tertiary
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sep, 0xFF, 0xFF, 0xFF, 0xFF, // quaternary
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},
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},
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{ // same as first, but with zero element that need to be removed
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opts{alt: altShifted},
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ColElems{W(0x200), zero, W(0x7FFF), W(0, 0x30), zero, W(0x100)},
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[]byte{0x2, 0, 0x7F, 0xFF, 0x1, 0x00, // primary
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sep, sep, 0, defS, 0, defS, 0, 0x30, 0, defS, // secondary
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sep, sep, defT, defT, defT, defT, // tertiary
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sep, 0xFF, 0xFF, 0xFF, 0xFF, // quaternary
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},
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},
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{ // same as first, with large primary values
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opts{alt: altShifted},
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ColElems{W(0x200), W(0x8000), W(0, 0x30), W(0x12345)},
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[]byte{0x2, 0, 0x80, 0x80, 0x00, 0x81, 0x23, 0x45, // primary
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sep, sep, 0, defS, 0, defS, 0, 0x30, 0, defS, // secondary
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sep, sep, defT, defT, defT, defT, // tertiary
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sep, 0xFF, 0xFF, 0xFF, 0xFF, // quaternary
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},
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},
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{ // same as first, but with the secondary level backwards
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opts{alt: altShifted, backwards: true},
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ColElems{W(0x200), W(0x7FFF), W(0, 0x30), W(0x100)},
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[]byte{0x2, 0, 0x7F, 0xFF, 0x1, 0x00, // primary
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sep, sep, 0, defS, 0, 0x30, 0, defS, 0, defS, // secondary
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sep, sep, defT, defT, defT, defT, // tertiary
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sep, 0xFF, 0xFF, 0xFF, 0xFF, // quaternary
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},
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},
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{ // same as first, ignoring quaternary level
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opts{alt: altShifted, lev: 3},
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ColElems{W(0x200), zero, W(0x7FFF), W(0, 0x30), zero, W(0x100)},
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[]byte{0x2, 0, 0x7F, 0xFF, 0x1, 0x00, // primary
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sep, sep, 0, defS, 0, defS, 0, 0x30, 0, defS, // secondary
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sep, sep, defT, defT, defT, defT, // tertiary
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},
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},
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{ // same as first, ignoring tertiary level
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opts{alt: altShifted, lev: 2},
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ColElems{W(0x200), zero, W(0x7FFF), W(0, 0x30), zero, W(0x100)},
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[]byte{0x2, 0, 0x7F, 0xFF, 0x1, 0x00, // primary
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sep, sep, 0, defS, 0, defS, 0, 0x30, 0, defS, // secondary
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},
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},
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{ // same as first, ignoring secondary level
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opts{alt: altShifted, lev: 1},
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ColElems{W(0x200), zero, W(0x7FFF), W(0, 0x30), zero, W(0x100)},
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[]byte{0x2, 0, 0x7F, 0xFF, 0x1, 0x00},
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},
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{ // simple primary and secondary weights.
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opts{alt: altShiftTrimmed, top: 0x250},
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ColElems{W(0x300), W(0x200), W(0x7FFF), W(0, 0x30), W(0x800)},
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[]byte{0x3, 0, 0x7F, 0xFF, 0x8, 0x00, // primary
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sep, sep, 0, defS, 0, defS, 0, 0x30, 0, defS, // secondary
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sep, sep, defT, defT, defT, defT, // tertiary
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sep, 0xFF, 0x2, 0, // quaternary
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},
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},
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{ // as first, primary with case level enabled
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opts{alt: altShifted, lev: 1, caseLevel: true},
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ColElems{W(0x200), W(0x7FFF), W(0, 0x30), W(0x100)},
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[]byte{0x2, 0, 0x7F, 0xFF, 0x1, 0x00, // primary
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sep, sep, // secondary
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sep, sep, defT, defT, defT, defT, // tertiary
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},
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},
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}
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func TestKeyFromElems(t *testing.T) {
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buf := Buffer{}
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for i, tt := range keyFromElemTests {
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buf.Reset()
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in := convertFromWeights(tt.in)
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processWeights(tt.opt.alt, uint32(tt.opt.top), in)
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tt.opt.collator().keyFromElems(&buf, in)
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res := buf.key
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if len(res) != len(tt.out) {
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t.Errorf("%d: len(ws) was %d; want %d (%X should be %X)", i, len(res), len(tt.out), res, tt.out)
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}
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n := len(res)
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if len(tt.out) < n {
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n = len(tt.out)
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}
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for j, c := range res[:n] {
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if c != tt.out[j] {
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t.Errorf("%d: byte %d was %X; want %X", i, j, c, tt.out[j])
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}
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}
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}
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}
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func TestGetColElems(t *testing.T) {
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for i, tt := range appendNextTests {
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c, err := makeTable(tt.in)
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if err != nil {
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// error is reported in TestAppendNext
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continue
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}
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// Create one large test per table
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str := make([]byte, 0, 4000)
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out := ColElems{}
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for len(str) < 3000 {
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for _, chk := range tt.chk {
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str = append(str, chk.in[:chk.n]...)
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out = append(out, chk.out...)
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}
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}
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for j, chk := range append(tt.chk, check{string(str), len(str), out}) {
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out := convertFromWeights(chk.out)
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ce := c.getColElems([]byte(chk.in)[:chk.n])
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if len(ce) != len(out) {
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t.Errorf("%d:%d: len(ws) was %d; want %d", i, j, len(ce), len(out))
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continue
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}
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cnt := 0
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for k, w := range ce {
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w, _ = colltab.MakeElem(w.Primary(), w.Secondary(), int(w.Tertiary()), 0)
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if w != out[k] {
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t.Errorf("%d:%d: Weights %d was %X; want %X", i, j, k, w, out[k])
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cnt++
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}
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if cnt > 10 {
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break
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}
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}
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}
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}
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}
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type keyTest struct {
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in string
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out []byte
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}
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var keyTests = []keyTest{
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{"abc",
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[]byte{0, 100, 0, 200, 1, 44, 0, 0, 0, 32, 0, 32, 0, 32, 0, 0, 2, 2, 2, 0, 255, 255, 255},
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},
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{"a\u0301",
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[]byte{0, 102, 0, 0, 0, 32, 0, 0, 2, 0, 255},
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},
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{"aaaaa",
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[]byte{0, 100, 0, 100, 0, 100, 0, 100, 0, 100, 0, 0,
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0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 0,
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2, 2, 2, 2, 2, 0,
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255, 255, 255, 255, 255,
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},
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},
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// Issue 16391: incomplete rune at end of UTF-8 sequence.
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{"\xc2", []byte{133, 255, 253, 0, 0, 0, 32, 0, 0, 2, 0, 255}},
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{"\xc2a", []byte{133, 255, 253, 0, 100, 0, 0, 0, 32, 0, 32, 0, 0, 2, 2, 0, 255, 255}},
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}
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func TestKey(t *testing.T) {
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c, _ := makeTable(appendNextTests[4].in)
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c.alternate = altShifted
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c.ignore = ignore(colltab.Quaternary)
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buf := Buffer{}
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keys1 := [][]byte{}
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keys2 := [][]byte{}
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for _, tt := range keyTests {
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keys1 = append(keys1, c.Key(&buf, []byte(tt.in)))
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keys2 = append(keys2, c.KeyFromString(&buf, tt.in))
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}
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// Separate generation from testing to ensure buffers are not overwritten.
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for i, tt := range keyTests {
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if !bytes.Equal(keys1[i], tt.out) {
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t.Errorf("%d: Key(%q) = %d; want %d", i, tt.in, keys1[i], tt.out)
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}
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if !bytes.Equal(keys2[i], tt.out) {
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t.Errorf("%d: KeyFromString(%q) = %d; want %d", i, tt.in, keys2[i], tt.out)
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}
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}
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}
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type compareTest struct {
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a, b string
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res int // comparison result
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}
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var compareTests = []compareTest{
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{"a\u0301", "a", 1},
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{"a\u0301b", "ab", 1},
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{"a", "a\u0301", -1},
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{"ab", "a\u0301b", -1},
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{"bc", "a\u0301c", 1},
|
||
{"ab", "aB", -1},
|
||
{"a\u0301", "a\u0301", 0},
|
||
{"a", "a", 0},
|
||
// Only clip prefixes of whole runes.
|
||
{"\u302E", "\u302F", 1},
|
||
// Don't clip prefixes when last rune of prefix may be part of contraction.
|
||
{"a\u035E", "a\u0301\u035F", -1},
|
||
{"a\u0301\u035Fb", "a\u0301\u035F", -1},
|
||
}
|
||
|
||
func TestCompare(t *testing.T) {
|
||
c, _ := makeTable(appendNextTests[4].in)
|
||
for i, tt := range compareTests {
|
||
if res := c.Compare([]byte(tt.a), []byte(tt.b)); res != tt.res {
|
||
t.Errorf("%d: Compare(%q, %q) == %d; want %d", i, tt.a, tt.b, res, tt.res)
|
||
}
|
||
if res := c.CompareString(tt.a, tt.b); res != tt.res {
|
||
t.Errorf("%d: CompareString(%q, %q) == %d; want %d", i, tt.a, tt.b, res, tt.res)
|
||
}
|
||
}
|
||
}
|
||
|
||
func TestNumeric(t *testing.T) {
|
||
c := New(language.English, Loose, Numeric)
|
||
|
||
for i, tt := range []struct {
|
||
a, b string
|
||
want int
|
||
}{
|
||
{"1", "2", -1},
|
||
{"2", "12", -1},
|
||
{"２", "１２", -1}, // Fullwidth is sorted as usual.
|
||
{"₂", "₁₂", 1}, // Subscript is not sorted as numbers.
|
||
{"②", "①②", 1}, // Circled is not sorted as numbers.
|
||
{ // Imperial Aramaic, is not sorted as number.
|
||
"\U00010859",
|
||
"\U00010858\U00010859",
|
||
1,
|
||
},
|
||
{"12", "2", 1},
|
||
{"A-1", "A-2", -1},
|
||
{"A-2", "A-12", -1},
|
||
{"A-12", "A-2", 1},
|
||
{"A-0001", "A-1", 0},
|
||
} {
|
||
if got := c.CompareString(tt.a, tt.b); got != tt.want {
|
||
t.Errorf("%d: CompareString(%s, %s) = %d; want %d", i, tt.a, tt.b, got, tt.want)
|
||
}
|
||
}
|
||
}
|