1 files changed, 42 insertions, 0 deletions
diff --git a/nitime/tests/test_descriptors.py b/nitime/tests/test_descriptors.py
new file mode 100644
index 0000000..5829853
--- /dev/null
+++ b/nitime/tests/test_descriptors.py
@@ -0,0 +1,42 @@
+"""Tests for the descriptors module.
+"""
+#-----------------------------------------------------------------------------
+# Imports
+#-----------------------------------------------------------------------------
+
+import nose.tools as nt
+
+from nitime import descriptors as desc
+
+#-----------------------------------------------------------------------------
+# Support classes and functions
+#-----------------------------------------------------------------------------
+
+
+class A(desc.ResetMixin):
+    @desc.auto_attr
+    def y(self):
+        return self.x / 2.0
+
+    @desc.auto_attr
+    def z(self):
+        return self.x / 3.0
+
+    def __init__(self, x=1.0):
+        self.x = x
+
+#-----------------------------------------------------------------------------
+# Test functions
+#-----------------------------------------------------------------------------
+
+
+def test():
+    a = A(10)
+    nt.assert_false('y' in a.__dict__)
+    nt.assert_equals(a.y, 5)
+    nt.assert_true('y' in a.__dict__)
+    a.x = 20
+    nt.assert_equals(a.y, 5)
+    # Call reset and no error should be raised even though z was never accessed
+    a.reset()
+    nt.assert_equals(a.y, 10)