Manually merge pull request #28 from google/smcp.

Add tests and requirements for the 'smcp' feature.

2 files changed, 31 insertions, 0 deletions

diff --git a/scripts/common_tests.py b/scripts/common_tests.py
index 1b015b8..531737c 100644
--- a/scripts/common_tests.py
+++ b/scripts/common_tests.py
@@ -255,6 +255,33 @@ class TestLigatures(FontTest):
                 self.assertTrue(len(normal) == 2 and len(ligated) == 1)
 
 
+class TestFeatures(FontTest):
+    """Tests typographic features."""
+
+    def setUp(self):
+        self.fontfiles, _ = self.loaded_fonts
+
+    def test_smcp_coverage(self):
+        """Tests that smcp is supported for our required set."""
+        with open('res/smcp_requirements.txt') as smcp_reqs_file:
+            smcp_reqs_list = []
+            for line in smcp_reqs_file.readlines():
+                line = line[:line.index(' #')]
+                smcp_reqs_list.append(unichr(int(line, 16)))
+
+        for fontfile in self.fontfiles:
+            chars_with_no_smcp = []
+            for char in smcp_reqs_list:
+                normal = layout.get_glyphs(char, fontfile)
+                smcp = layout.get_glyphs(char, fontfile, '--features=smcp')
+                if normal == smcp:
+                    chars_with_no_smcp.append(char)
+            self.assertEqual(
+                chars_with_no_smcp, [],
+                ("smcp feature is not applied to '%s'" %
+                    u''.join(chars_with_no_smcp).encode('UTF-8')))
+
+
 class TestVerticalMetrics(FontTest):
     """Test the vertical metrics of fonts."""
 
diff --git a/scripts/run_general_tests.py b/scripts/run_general_tests.py
index 5dd4dc8..1a9e965 100755
--- a/scripts/run_general_tests.py
+++ b/scripts/run_general_tests.py
@@ -46,6 +46,10 @@ class TestLigatures(common_tests.TestLigatures):
     loaded_fonts = FONTS
 
 
+class TestFeatures(common_tests.TestFeatures):
+    loaded_fonts = FONTS
+
+
 if __name__ == '__main__':
     unittest.main()