1 files changed, 38 insertions, 3 deletions
diff --git a/tests/gis_tests/geos_tests/test_io.py b/tests/gis_tests/geos_tests/test_io.py
index 59cb54b6b4..920767ded4 100644
--- a/tests/gis_tests/geos_tests/test_io.py
+++ b/tests/gis_tests/geos_tests/test_io.py
@@ -1,17 +1,17 @@
 from __future__ import unicode_literals
 
 import binascii
-import unittest
 from unittest import skipUnless
 
 from django.contrib.gis.geos import (
-    HAS_GEOS, GEOSGeometry, WKBReader, WKBWriter, WKTReader, WKTWriter,
+    HAS_GEOS, GEOSGeometry, Point, WKBReader, WKBWriter, WKTReader, WKTWriter,
 )
+from django.test import SimpleTestCase
 from django.utils.six import memoryview
 
 
 @skipUnless(HAS_GEOS, "Geos is required.")
-class GEOSIOTest(unittest.TestCase):
+class GEOSIOTest(SimpleTestCase):
 
     def test01_wktreader(self):
         # Creating a WKTReader instance
@@ -109,3 +109,38 @@ class GEOSIOTest(unittest.TestCase):
         wkb_w.srid = True
         self.assertEqual(hex3d_srid, wkb_w.write_hex(g))
         self.assertEqual(wkb3d_srid, wkb_w.write(g))
+
+    def test_wkt_writer_trim(self):
+        wkt_w = WKTWriter()
+        self.assertFalse(wkt_w.trim)
+        self.assertEqual(wkt_w.write(Point(1, 1)), b'POINT (1.0000000000000000 1.0000000000000000)')
+
+        wkt_w.trim = True
+        self.assertTrue(wkt_w.trim)
+        self.assertEqual(wkt_w.write(Point(1, 1)), b'POINT (1 1)')
+        self.assertEqual(wkt_w.write(Point(1.1, 1)), b'POINT (1.1 1)')
+        self.assertEqual(wkt_w.write(Point(1. / 3, 1)), b'POINT (0.3333333333333333 1)')
+
+        wkt_w.trim = False
+        self.assertFalse(wkt_w.trim)
+        self.assertEqual(wkt_w.write(Point(1, 1)), b'POINT (1.0000000000000000 1.0000000000000000)')
+
+    def test_wkt_writer_precision(self):
+        wkt_w = WKTWriter()
+        self.assertEqual(wkt_w.precision, None)
+        self.assertEqual(wkt_w.write(Point(1. / 3, 2. / 3)), b'POINT (0.3333333333333333 0.6666666666666666)')
+
+        wkt_w.precision = 1
+        self.assertEqual(wkt_w.precision, 1)
+        self.assertEqual(wkt_w.write(Point(1. / 3, 2. / 3)), b'POINT (0.3 0.7)')
+
+        wkt_w.precision = 0
+        self.assertEqual(wkt_w.precision, 0)
+        self.assertEqual(wkt_w.write(Point(1. / 3, 2. / 3)), b'POINT (0 1)')
+
+        wkt_w.precision = None
+        self.assertEqual(wkt_w.precision, None)
+        self.assertEqual(wkt_w.write(Point(1. / 3, 2. / 3)), b'POINT (0.3333333333333333 0.6666666666666666)')
+
+        with self.assertRaisesMessage(AttributeError, 'WKT output rounding precision must be '):
+            wkt_w.precision = 'potato'