1 files changed, 40 insertions, 0 deletions
diff --git a/src/os/error_unix_test.go b/src/os/error_unix_test.go
new file mode 100644
index 0000000..1c694fe
--- /dev/null
+++ b/src/os/error_unix_test.go
@@ -0,0 +1,40 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build unix || (js && wasm)
+
+package os_test
+
+import (
+	"io/fs"
+	"os"
+	"syscall"
+)
+
+func init() {
+	isExistTests = append(isExistTests,
+		isExistTest{err: &fs.PathError{Err: syscall.EEXIST}, is: true, isnot: false},
+		isExistTest{err: &fs.PathError{Err: syscall.ENOTEMPTY}, is: true, isnot: false},
+
+		isExistTest{err: &os.LinkError{Err: syscall.EEXIST}, is: true, isnot: false},
+		isExistTest{err: &os.LinkError{Err: syscall.ENOTEMPTY}, is: true, isnot: false},
+
+		isExistTest{err: &os.SyscallError{Err: syscall.EEXIST}, is: true, isnot: false},
+		isExistTest{err: &os.SyscallError{Err: syscall.ENOTEMPTY}, is: true, isnot: false},
+	)
+	isPermissionTests = append(isPermissionTests,
+		isPermissionTest{err: &fs.PathError{Err: syscall.EACCES}, want: true},
+		isPermissionTest{err: &fs.PathError{Err: syscall.EPERM}, want: true},
+		isPermissionTest{err: &fs.PathError{Err: syscall.EEXIST}, want: false},
+
+		isPermissionTest{err: &os.LinkError{Err: syscall.EACCES}, want: true},
+		isPermissionTest{err: &os.LinkError{Err: syscall.EPERM}, want: true},
+		isPermissionTest{err: &os.LinkError{Err: syscall.EEXIST}, want: false},
+
+		isPermissionTest{err: &os.SyscallError{Err: syscall.EACCES}, want: true},
+		isPermissionTest{err: &os.SyscallError{Err: syscall.EPERM}, want: true},
+		isPermissionTest{err: &os.SyscallError{Err: syscall.EEXIST}, want: false},
+	)
+
+}