From 1536efc22ecd174fb0074ab5a4cbc9e90fb55116 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 24 May 2024 15:07:05 -0600
Subject: [PATCH] [CFFToCFF2] Add a test

Exercises:
https://github.com/fonttools/fonttools/pull/3518#discussion_r1611033728
---
 Tests/cffLib/cffLib_test.py       |  13 +++++++++++++
 Tests/cffLib/data/CFFToCFF2-1.otf | Bin 0 -> 1788 bytes
 2 files changed, 13 insertions(+)
 create mode 100644 Tests/cffLib/data/CFFToCFF2-1.otf

diff --git a/Tests/cffLib/cffLib_test.py b/Tests/cffLib/cffLib_test.py
index 2d4d3023e..7146e5d66 100644
--- a/Tests/cffLib/cffLib_test.py
+++ b/Tests/cffLib/cffLib_test.py
@@ -5,6 +5,7 @@ import copy
 import os
 import sys
 import unittest
+from io import BytesIO
 
 
 class CffLibTest(DataFilesHandler):
@@ -119,5 +120,17 @@ class CffLibTest(DataFilesHandler):
         self.assertEqual(len(glyphOrder), len(set(glyphOrder)))
 
 
+class CFFToCFF2Test(DataFilesHandler):
+
+    def test_conversion(self):
+        font_path = self.getpath("CFFToCFF2-1.otf")
+        font = TTFont(font_path)
+        from fontTools.cffLib.CFFToCFF2 import convertCFFToCFF2
+
+        convertCFFToCFF2(font)
+        f = BytesIO()
+        font.save(f)
+
+
 if __name__ == "__main__":
     sys.exit(unittest.main())
diff --git a/Tests/cffLib/data/CFFToCFF2-1.otf b/Tests/cffLib/data/CFFToCFF2-1.otf
new file mode 100644
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