1 files changed, 25 insertions, 2 deletions
diff --git a/gerber/tests/test_cam.py b/gerber/tests/test_cam.py
index ce4ec44..1aeb18c 100644
--- a/gerber/tests/test_cam.py
+++ b/gerber/tests/test_cam.py
@@ -64,5 +64,28 @@ def test_camfile_settings():
     """
     cf = CamFile()
     assert_equal(cf.settings, FileSettings())
-    
-    
-\ No newline at end of file
+
+def test_zeros():
+
+    fs = FileSettings()
+    assert_equal(fs.zero_suppression, 'trailing')
+    assert_equal(fs.zeros, 'leading')
+
+
+    fs['zero_suppression'] = 'leading'
+    assert_equal(fs.zero_suppression, 'leading')
+    assert_equal(fs.zeros, 'trailing')
+
+    fs.zero_suppression = 'trailing'
+    assert_equal(fs.zero_suppression, 'trailing')
+    assert_equal(fs.zeros, 'leading')
+
+    fs['zeros'] = 'trailing'
+    assert_equal(fs.zeros, 'trailing')
+    assert_equal(fs.zero_suppression, 'leading')
+
+
+    fs.zeros= 'leading'
+    assert_equal(fs.zeros, 'leading')
+    assert_equal(fs.zero_suppression, 'trailing')
+