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-rw-r--r--tests/matrix/matrix_test.go51
1 files changed, 51 insertions, 0 deletions
diff --git a/tests/matrix/matrix_test.go b/tests/matrix/matrix_test.go
index be47990..33d2ab2 100644
--- a/tests/matrix/matrix_test.go
+++ b/tests/matrix/matrix_test.go
@@ -377,6 +377,57 @@ func TestRename(t *testing.T) {
test_helpers.TestRename(t, test_helpers.DefaultPlainDir)
}
+// Test that names of all lengths work
+func TestNameLengths(t *testing.T) {
+ f, err := os.Open(test_helpers.DefaultPlainDir)
+ if err != nil {
+ t.Fatal(err)
+ }
+ entries, err := f.Readdirnames(0)
+ if err != nil {
+ t.Fatal(err)
+ }
+ f.Close()
+ cnt1 := len(entries)
+
+ wd := test_helpers.DefaultPlainDir + "/"
+ name := "x"
+ for len(name) < 2000 {
+ f, err := os.Create(wd + name + "x")
+ if err != nil {
+ break
+ }
+ name = name + "x"
+ f.Close()
+ f, err = os.Open(test_helpers.DefaultPlainDir)
+ if err != nil {
+ t.Fatal(err)
+ }
+ // In v1.7-rc2, we had a bug that allowed creation of too-long names.
+ // This threw errors in like this in READDIR:
+ //
+ // OpenDir ".": invalid entry "gocryptfs.longname.wrE-izsR9ciEkP7JSCFDrk_d_Nj4mQo1dGY6hjuixAU=":
+ // Could not read .name: ReadLongName: size=345 > limit=344
+ //
+ entries, err = f.Readdirnames(0)
+ if err != nil {
+ t.Fatal(err)
+ }
+ f.Close()
+ cnt2 := len(entries)
+ if cnt2 != cnt1+1 {
+ t.Fatalf("len=%d: expected %d dir entries, have %d: %v", len(name), cnt1+1, cnt2, entries)
+ }
+ err = syscall.Unlink(wd + name)
+ if err != nil {
+ t.Fatal(err)
+ }
+ }
+ if len(name) != 255 {
+ t.Errorf("maxlen=%d", len(name))
+ }
+}
+
func TestLongNames(t *testing.T) {
fi, err := ioutil.ReadDir(test_helpers.DefaultCipherDir)
if err != nil {