python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/test/test_unary.py

@@ -0,0 +1,53 @@
+"""Test compiler changes for unary ops (+, -, ~) introduced in Python 2.2"""
+
+import unittest
+
+class UnaryOpTestCase(unittest.TestCase):
+
+    def test_negative(self):
+        self.assertTrue(-2 == 0 - 2)
+        self.assertEqual(-0, 0)
+        self.assertEqual(--2, 2)
+        self.assertTrue(-2 == 0 - 2)
+        self.assertTrue(-2.0 == 0 - 2.0)
+        self.assertTrue(-2j == 0 - 2j)
+
+    def test_positive(self):
+        self.assertEqual(+2, 2)
+        self.assertEqual(+0, 0)
+        self.assertEqual(++2, 2)
+        self.assertEqual(+2, 2)
+        self.assertEqual(+2.0, 2.0)
+        self.assertEqual(+2j, 2j)
+
+    def test_invert(self):
+        self.assertTrue(-2 == 0 - 2)
+        self.assertEqual(-0, 0)
+        self.assertEqual(--2, 2)
+        self.assertTrue(-2 == 0 - 2)
+
+    def test_no_overflow(self):
+        nines = "9" * 32
+        self.assertTrue(eval("+" + nines) == 10**32-1)
+        self.assertTrue(eval("-" + nines) == -(10**32-1))
+        self.assertTrue(eval("~" + nines) == ~(10**32-1))
+
+    def test_negation_of_exponentiation(self):
+        # Make sure '**' does the right thing; these form a
+        # regression test for SourceForge bug #456756.
+        self.assertEqual(-2 ** 3, -8)
+        self.assertEqual((-2) ** 3, -8)
+        self.assertEqual(-2 ** 4, -16)
+        self.assertEqual((-2) ** 4, 16)
+
+    def test_bad_types(self):
+        for op in '+', '-', '~':
+            self.assertRaises(TypeError, eval, op + "b'a'")
+            self.assertRaises(TypeError, eval, op + "'a'")
+
+        self.assertRaises(TypeError, eval, "~2j")
+        self.assertRaises(TypeError, eval, "~2.0")
+
+
+if __name__ == "__main__":
+    unittest.main()