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1bfbee0e20
Done with: go get go@1.18 go mod tidy go fix ./... Using go1.21.3. Also update code generators to use only the new go:build lines, not the old +build ones. For golang/go#60268. Change-Id: I6aabc42efb6ab3329981100e1db2263aac5e92a6 Reviewed-on: https://go-review.googlesource.com/c/sys/+/534222 Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
80 lines
1.7 KiB
Go
80 lines
1.7 KiB
Go
// Copyright 2019 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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//go:build darwin || dragonfly || freebsd || openbsd || netbsd || zos
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package unix_test
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import (
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"fmt"
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"os"
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"path/filepath"
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"sort"
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"strings"
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"testing"
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"golang.org/x/sys/unix"
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)
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func TestGetdirentries(t *testing.T) {
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for _, count := range []int{10, 1000} {
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t.Run(fmt.Sprintf("n=%d", count), func(t *testing.T) {
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testGetdirentries(t, count)
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})
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}
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}
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func testGetdirentries(t *testing.T, count int) {
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if count > 100 && testing.Short() && os.Getenv("GO_BUILDER_NAME") == "" {
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t.Skip("skipping in -short mode")
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}
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d := t.TempDir()
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var names []string
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for i := 0; i < count; i++ {
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names = append(names, fmt.Sprintf("file%03d", i))
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}
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// Make files in the temp directory
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for _, name := range names {
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err := os.WriteFile(filepath.Join(d, name), []byte("data"), 0)
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if err != nil {
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t.Fatal(err)
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}
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}
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// Read files using Getdirentries
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fd, err := unix.Open(d, unix.O_RDONLY, 0)
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if err != nil {
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t.Fatalf("Open: %v", err)
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}
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defer unix.Close(fd)
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var base uintptr
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var buf [2048]byte
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names2 := make([]string, 0, count)
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for {
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n, err := unix.Getdirentries(fd, buf[:], &base)
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if err != nil {
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t.Fatalf("Getdirentries: %v", err)
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}
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if n == 0 {
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break
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}
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data := buf[:n]
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for len(data) > 0 {
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var bc int
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bc, _, names2 = unix.ParseDirent(data, -1, names2)
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if bc == 0 && len(data) > 0 {
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t.Fatal("no progress")
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}
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data = data[bc:]
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}
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}
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sort.Strings(names)
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sort.Strings(names2)
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if strings.Join(names, ":") != strings.Join(names2, ":") {
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t.Errorf("names don't match\n names: %q\nnames2: %q", names, names2)
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}
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}
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