update docstring

tests/test_data_step_std.py

@@ -13,29 +13,57 @@ import unittest
 
 import os
 import sys
+
+from pylib.data_step_std import (
+  BOOLEAN,
+  CARTESIAN_POINT,
+  VERTEX_POINT,
+  )
+
 sys.path.insert(0, os.path.abspath('..'))
-from pylib.data_step_std import CARTESIAN_POINT, VERTEX_POINT
+
 
 class TestDataStepStd(unittest.TestCase):
 
+  def test_BOOLEAN(self):
+    self.assertRaises(
+      TypeError,
+      BOOLEAN,
+    )
+    self.assertRaises(
+      ValueError,
+      BOOLEAN,
+      '',
+    )
+    self.assertEqual(
+      BOOLEAN('.T.'),
+      True,
+    )
+    self.assertEqual(
+      BOOLEAN('.F.'),
+      False,
+    )
+
+  #def test_
+
   def test_multi_objects(self):
     cp = CARTESIAN_POINT('', (0.E+000, 0.E+000, 0.E+000))
     #print(cp)
     self.assertEqual(
-        str(cp),
-        "#1 = CARTESIAN_POINT('', (0.0, 0.0, 0.0))")
+      str(cp),
+      "#1 = CARTESIAN_POINT('', (0.0, 0.0, 0.0))")
 
     cp2 = eval('CARTESIAN_POINT("j", (0.E+000,0.E+000,0.E+000))')
     #print(cp2)
     self.assertEqual(
-        str(cp2),
-        "#2 = CARTESIAN_POINT('j', (0.0, 0.0, 0.0))")
+      str(cp2),
+      "#2 = CARTESIAN_POINT('j', (0.0, 0.0, 0.0))")
 
     vp = VERTEX_POINT('', cp)
     #print(vp)
     self.assertEqual(
-        str(vp),
-        "#3 = VERTEX_POINT('', #1)")
+      str(vp),
+      "#3 = VERTEX_POINT('', #1)")
 
 
 if __name__ == '__main__':