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Among others, this updates minio-go, so that the new "eu-west-3" zone for AWS is supported.
102 lines
3.2 KiB
Go
102 lines
3.2 KiB
Go
// Copyright 2011 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 norm
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import (
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"fmt"
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"testing"
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"golang.org/x/text/transform"
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)
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func TestTransform(t *testing.T) {
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tests := []struct {
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f Form
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in, out string
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eof bool
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dstSize int
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err error
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}{
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{NFC, "ab", "ab", true, 2, nil},
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{NFC, "qx", "qx", true, 2, nil},
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{NFD, "qx", "qx", true, 2, nil},
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{NFC, "", "", true, 1, nil},
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{NFD, "", "", true, 1, nil},
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{NFC, "", "", false, 1, nil},
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{NFD, "", "", false, 1, nil},
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// Normalized segment does not fit in destination.
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{NFD, "ö", "", true, 1, transform.ErrShortDst},
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{NFD, "ö", "", true, 2, transform.ErrShortDst},
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// As an artifact of the algorithm, only full segments are written.
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// This is not strictly required, and some bytes could be written.
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// In practice, for Transform to not block, the destination buffer
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// should be at least MaxSegmentSize to work anyway and these edge
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// conditions will be relatively rare.
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{NFC, "ab", "", true, 1, transform.ErrShortDst},
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// This is even true for inert runes.
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{NFC, "qx", "", true, 1, transform.ErrShortDst},
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{NFC, "a\u0300abc", "\u00e0a", true, 4, transform.ErrShortDst},
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// We cannot write a segment if successive runes could still change the result.
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{NFD, "ö", "", false, 3, transform.ErrShortSrc},
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{NFC, "a\u0300", "", false, 4, transform.ErrShortSrc},
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{NFD, "a\u0300", "", false, 4, transform.ErrShortSrc},
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{NFC, "ö", "", false, 3, transform.ErrShortSrc},
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{NFC, "a\u0300", "", true, 1, transform.ErrShortDst},
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// Theoretically could fit, but won't due to simplified checks.
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{NFC, "a\u0300", "", true, 2, transform.ErrShortDst},
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{NFC, "a\u0300", "", true, 3, transform.ErrShortDst},
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{NFC, "a\u0300", "\u00e0", true, 4, nil},
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{NFD, "öa\u0300", "o\u0308", false, 8, transform.ErrShortSrc},
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{NFD, "öa\u0300ö", "o\u0308a\u0300", true, 8, transform.ErrShortDst},
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{NFD, "öa\u0300ö", "o\u0308a\u0300", false, 12, transform.ErrShortSrc},
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// Illegal input is copied verbatim.
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{NFD, "\xbd\xb2=\xbc ", "\xbd\xb2=\xbc ", true, 8, nil},
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}
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b := make([]byte, 100)
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for i, tt := range tests {
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nDst, _, err := tt.f.Transform(b[:tt.dstSize], []byte(tt.in), tt.eof)
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out := string(b[:nDst])
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if out != tt.out || err != tt.err {
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t.Errorf("%d: was %+q (%v); want %+q (%v)", i, out, err, tt.out, tt.err)
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}
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if want := tt.f.String(tt.in)[:nDst]; want != out {
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t.Errorf("%d: incorrect normalization: was %+q; want %+q", i, out, want)
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}
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}
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}
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var transBufSizes = []int{
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MaxTransformChunkSize,
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3 * MaxTransformChunkSize / 2,
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2 * MaxTransformChunkSize,
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3 * MaxTransformChunkSize,
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100 * MaxTransformChunkSize,
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}
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func doTransNorm(f Form, buf []byte, b []byte) []byte {
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acc := []byte{}
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for p := 0; p < len(b); {
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nd, ns, _ := f.Transform(buf[:], b[p:], true)
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p += ns
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acc = append(acc, buf[:nd]...)
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}
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return acc
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}
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func TestTransformNorm(t *testing.T) {
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for _, sz := range transBufSizes {
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buf := make([]byte, sz)
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runNormTests(t, fmt.Sprintf("Transform:%d", sz), func(f Form, out []byte, s string) []byte {
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return doTransNorm(f, buf, append(out, s...))
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})
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}
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}
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