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-rw-r--r--Lib/test/test_long_future.py100
1 files changed, 50 insertions, 50 deletions
diff --git a/Lib/test/test_long_future.py b/Lib/test/test_long_future.py
index fc01001..36840b4 100644
--- a/Lib/test/test_long_future.py
+++ b/Lib/test/test_long_future.py
@@ -3,53 +3,53 @@ from __future__ import division
# test_long.py instead. In the meantime, it's too obscure to try to
# trick just part of test_long into using future division.
-from test.test_support import TestFailed, verify, verbose
-
-def test_true_division():
- if verbose:
- print("long true division")
- huge = 1 << 40000
- mhuge = -huge
- verify(huge / huge == 1.0)
- verify(mhuge / mhuge == 1.0)
- verify(huge / mhuge == -1.0)
- verify(mhuge / huge == -1.0)
- verify(1 / huge == 0.0)
- verify(1 / huge == 0.0)
- verify(1 / mhuge == 0.0)
- verify(1 / mhuge == 0.0)
- verify((666 * huge + (huge >> 1)) / huge == 666.5)
- verify((666 * mhuge + (mhuge >> 1)) / mhuge == 666.5)
- verify((666 * huge + (huge >> 1)) / mhuge == -666.5)
- verify((666 * mhuge + (mhuge >> 1)) / huge == -666.5)
- verify(huge / (huge << 1) == 0.5)
- verify((1000000 * huge) / huge == 1000000)
-
- namespace = {'huge': huge, 'mhuge': mhuge}
-
- for overflow in ["float(huge)", "float(mhuge)",
- "huge / 1", "huge / 2", "huge / -1", "huge / -2",
- "mhuge / 100", "mhuge / 100"]:
- try:
- eval(overflow, namespace)
- except OverflowError:
- pass
- else:
- raise TestFailed("expected OverflowError from %r" % overflow)
-
- for underflow in ["1 / huge", "2 / huge", "-1 / huge", "-2 / huge",
- "100 / mhuge", "100 / mhuge"]:
- result = eval(underflow, namespace)
- if result != 0.0:
- raise TestFailed("expected underflow to 0 from %r" % underflow)
-
- for zero in ["huge / 0", "huge / 0",
- "mhuge / 0", "mhuge / 0"]:
- try:
- eval(zero, namespace)
- except ZeroDivisionError:
- pass
- else:
- raise TestFailed("expected ZeroDivisionError from %r" % zero)
-
-test_true_division()
+import unittest
+from test.test_support import run_unittest
+
+class TrueDivisionTests(unittest.TestCase):
+ def test(self):
+ huge = 1 << 40000
+ mhuge = -huge
+ self.assertEqual(huge / huge, 1.0)
+ self.assertEqual(mhuge / mhuge, 1.0)
+ self.assertEqual(huge / mhuge, -1.0)
+ self.assertEqual(mhuge / huge, -1.0)
+ self.assertEqual(1 / huge, 0.0)
+ self.assertEqual(1 / huge, 0.0)
+ self.assertEqual(1 / mhuge, 0.0)
+ self.assertEqual(1 / mhuge, 0.0)
+ self.assertEqual((666 * huge + (huge >> 1)) / huge, 666.5)
+ self.assertEqual((666 * mhuge + (mhuge >> 1)) / mhuge, 666.5)
+ self.assertEqual((666 * huge + (huge >> 1)) / mhuge, -666.5)
+ self.assertEqual((666 * mhuge + (mhuge >> 1)) / huge, -666.5)
+ self.assertEqual(huge / (huge << 1), 0.5)
+ self.assertEqual((1000000 * huge) / huge, 1000000)
+
+ namespace = {'huge': huge, 'mhuge': mhuge}
+
+ for overflow in ["float(huge)", "float(mhuge)",
+ "huge / 1", "huge / 2", "huge / -1", "huge / -2",
+ "mhuge / 100", "mhuge / 200"]:
+ # XXX(cwinter) this test doesn't pass when converted to
+ # use assertRaises.
+ try:
+ eval(overflow, namespace)
+ self.fail("expected OverflowError from %r" % overflow)
+ except OverflowError:
+ pass
+
+ for underflow in ["1 / huge", "2 / huge", "-1 / huge", "-2 / huge",
+ "100 / mhuge", "200 / mhuge"]:
+ result = eval(underflow, namespace)
+ self.assertEqual(result, 0.0,
+ "expected underflow to 0 from %r" % underflow)
+
+ for zero in ["huge / 0", "mhuge / 0"]:
+ self.assertRaises(ZeroDivisionError, eval, zero, namespace)
+
+
+def test_main():
+ run_unittest(TrueDivisionTests)
+
+if __name__ == "__main__":
+ test_main()