8dc2499aa6
gotools/ * Makefile.am (go_cmd_cgo_files): Add ast_go118.go (check-go-tool): Copy golang.org/x/tools directories. * Makefile.in: Regenerate. Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/384695
81 lines
1.7 KiB
Go
81 lines
1.7 KiB
Go
// Copyright 2021 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 zip
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import (
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"bytes"
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"io"
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"os"
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"path/filepath"
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"testing"
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)
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func FuzzReader(f *testing.F) {
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testdata, err := os.ReadDir("testdata")
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if err != nil {
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f.Fatalf("failed to read testdata directory: %s", err)
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}
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for _, de := range testdata {
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if de.IsDir() {
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continue
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}
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b, err := os.ReadFile(filepath.Join("testdata", de.Name()))
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if err != nil {
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f.Fatalf("failed to read testdata: %s", err)
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}
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f.Add(b)
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}
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f.Fuzz(func(t *testing.T, b []byte) {
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r, err := NewReader(bytes.NewReader(b), int64(len(b)))
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if err != nil {
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return
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}
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type file struct {
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header *FileHeader
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content []byte
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}
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files := []file{}
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for _, f := range r.File {
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fr, err := f.Open()
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if err != nil {
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continue
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}
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content, err := io.ReadAll(fr)
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if err != nil {
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continue
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}
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files = append(files, file{header: &f.FileHeader, content: content})
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if _, err := r.Open(f.Name); err != nil {
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continue
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}
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}
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// If we were unable to read anything out of the archive don't
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// bother trying to roundtrip it.
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if len(files) == 0 {
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return
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}
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w := NewWriter(io.Discard)
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for _, f := range files {
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ww, err := w.CreateHeader(f.header)
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if err != nil {
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t.Fatalf("unable to write previously parsed header: %s", err)
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}
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if _, err := ww.Write(f.content); err != nil {
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t.Fatalf("unable to write previously parsed content: %s", err)
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}
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}
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if err := w.Close(); err != nil {
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t.Fatalf("Unable to write archive: %s", err)
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}
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// TODO: We may want to check if the archive roundtrips.
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})
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}
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