syscall: replace os.MkdirTemp with T.TempDir

Updates #45402

Change-Id: I573133d6b987e8ac23e3e2018652612af684c755
Reviewed-on: https://go-review.googlesource.com/c/go/+/307990
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>

1 files changed, 4 insertions, 12 deletions

diff --git a/src/syscall/dirent_test.go b/src/syscall/dirent_test.go
index 8ed3caa9d4..71b445ba9b 100644
--- a/src/syscall/dirent_test.go
+++ b/src/syscall/dirent_test.go
@@ -27,16 +27,12 @@ func TestDirent(t *testing.T) {
 		filenameMinSize = 11
 	)
 
-	d, err := os.MkdirTemp("", "dirent-test")
-	if err != nil {
-		t.Fatalf("tempdir: %v", err)
-	}
-	defer os.RemoveAll(d)
+	d := t.TempDir()
 	t.Logf("tmpdir: %s", d)
 
 	for i, c := range []byte("0123456789") {
 		name := string(bytes.Repeat([]byte{c}, filenameMinSize+i))
-		err = os.WriteFile(filepath.Join(d, name), nil, 0644)
+		err := os.WriteFile(filepath.Join(d, name), nil, 0644)
 		if err != nil {
 			t.Fatalf("writefile: %v", err)
 		}
@@ -93,18 +89,14 @@ func TestDirentRepeat(t *testing.T) {
 	}
 
 	// Make a directory containing N files
-	d, err := os.MkdirTemp("", "direntRepeat-test")
-	if err != nil {
-		t.Fatalf("tempdir: %v", err)
-	}
-	defer os.RemoveAll(d)
+	d := t.TempDir()
 
 	var files []string
 	for i := 0; i < N; i++ {
 		files = append(files, fmt.Sprintf("file%d", i))
 	}
 	for _, file := range files {
-		err = os.WriteFile(filepath.Join(d, file), []byte("contents"), 0644)
+		err := os.WriteFile(filepath.Join(d, file), []byte("contents"), 0644)
 		if err != nil {
 			t.Fatalf("writefile: %v", err)
 		}