From 3c2c07a69daf75d377ba196c28524c0fc6a16db6 Mon Sep 17 00:00:00 2001
From: Rose Hogenson <rosehogenson@posteo.net>
Date: Thu, 23 Oct 2025 21:02:22 -0700
Subject: Move sym files into the root directory

---
 sym_test.go | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 sym_test.go

(limited to 'sym_test.go')

diff --git a/sym_test.go b/sym_test.go
new file mode 100644
index 0000000..704d477
--- /dev/null
+++ b/sym_test.go
@@ -0,0 +1,75 @@
+package sym
+
+import (
+	"bytes"
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+var testEncryptOptions = func() EncryptOptions {
+	opts := DefaultEncryptOptions
+	opts.iterations = 10
+	return opts
+}()
+
+func mustWriteFile(t *testing.T, path string, content []byte) {
+	t.Helper()
+	if err := os.WriteFile(path, content, 0600); err != nil {
+		t.Fatalf("Failed to write test file: %s", err)
+	}
+}
+
+func mustReadFile(t *testing.T, path string) []byte {
+	t.Helper()
+	content, err := os.ReadFile(path)
+	if err != nil {
+		t.Fatalf("Failed to read file: %s", err)
+	}
+	return content
+}
+
+func mustRename(t *testing.T, src, dst string) {
+	t.Helper()
+	if err := os.Rename(src, dst); err != nil {
+		t.Fatalf("Failed to rename: %s", err)
+	}
+}
+
+func mustRemove(t *testing.T, path string) {
+	t.Helper()
+	if err := os.Remove(path); err != nil {
+		t.Fatalf("Failed to remove file: %s", err)
+	}
+}
+
+func mustChmod(t *testing.T, path string, mod os.FileMode) {
+	t.Helper()
+	if err := os.Chmod(path, mod); err != nil {
+		t.Fatalf("Failed to chmod: %s", err)
+	}
+}
+
+func TestEncryptDecrypt(t *testing.T) {
+	t.Parallel()
+
+	buf := make([]byte, 12*1024*1024)
+	for i := range buf {
+		buf[i] = byte(i)
+	}
+
+	fileName := filepath.Join(t.TempDir(), "file")
+	mustWriteFile(t, fileName, buf)
+	const password = "karp cache tidal mars fed rajah uses graze pobox flew"
+	if err := testEncryptOptions.encryptFile(fileName, password); err != nil {
+		t.Fatalf("EncryptFile failed: %s", err)
+	}
+	mustRemove(t, fileName)
+	if err := DefaultDecryptOptions.decryptFile(fileName+".enc", password); err != nil {
+		t.Fatalf("DecryptFile failed: %s", err)
+	}
+	gotContents := mustReadFile(t, fileName)
+	if !bytes.Equal(gotContents, buf) {
+		t.Errorf("contents differ")
+	}
+}
-- 
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