Fix typo in complex parsing code; expand tests.
diff --git a/Lib/test/test_complex.py b/Lib/test/test_complex.py
index 1ff710f..1702452 100644
--- a/Lib/test/test_complex.py
+++ b/Lib/test/test_complex.py
@@ -432,10 +432,11 @@
@unittest.skipUnless(float.__getformat__("double").startswith("IEEE"),
"test requires IEEE 754 doubles")
def test_repr_roundtrip(self):
- # complex(repr(z)) should recover z exactly, even for complex numbers
- # involving an infinity, nan, or negative zero
- vals = [0.0, 1e-200, 0.0123, 3.1415, 1e50, INF, NAN]
+ vals = [0.0, 1e-500, 1e-315, 1e-200, 0.0123, 3.1415, 1e50, INF, NAN]
vals += [-v for v in vals]
+
+ # complex(repr(z)) should recover z exactly, even for complex
+ # numbers involving an infinity, nan, or negative zero
for x in vals:
for y in vals:
z = complex(x, y)
@@ -443,6 +444,21 @@
self.assertFloatsAreIdentical(z.real, roundtrip.real)
self.assertFloatsAreIdentical(z.imag, roundtrip.imag)
+ # if we predefine some constants, then eval(repr(z)) should
+ # also work, except that it might change the sign of zeros
+ inf, nan = float('inf'), float('nan')
+ infj, nanj = complex(0.0, inf), complex(0.0, nan)
+ for x in vals:
+ for y in vals:
+ z = complex(x, y)
+ roundtrip = eval(repr(z))
+ # adding 0.0 has no effect beside changing -0.0 to 0.0
+ self.assertFloatsAreIdentical(0.0 + z.real,
+ 0.0 + roundtrip.real)
+ self.assertFloatsAreIdentical(0.0 + z.imag,
+ 0.0 + roundtrip.imag)
+
+
def test_main():
test_support.run_unittest(ComplexTest)