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-rw-r--r--tests/float/float_parse.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/tests/float/float_parse.py b/tests/float/float_parse.py
index de27c33e7b..6131da0a63 100644
--- a/tests/float/float_parse.py
+++ b/tests/float/float_parse.py
@@ -31,6 +31,9 @@ print(float("1e-4294967301"))
print(float("1e18446744073709551621"))
print(float("1e-18446744073709551621"))
+# mantissa overflow while processing deferred trailing zeros
+print(float("10000000000000000000001"))
+
# check small decimals are as close to their true value as possible
for n in range(1, 10):
print(float("0.%u" % n) == n / 10)