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-rw-r--r--tests/float/float_parse_doubleprec.py16
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/float/float_parse_doubleprec.py b/tests/float/float_parse_doubleprec.py
new file mode 100644
index 000000000..356601130
--- /dev/null
+++ b/tests/float/float_parse_doubleprec.py
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+# test parsing of floats, requiring double-precision
+
+# very large integer part with a very negative exponent should cancel out
+print(float('9' * 400 + 'e-100'))
+print(float('9' * 400 + 'e-200'))
+print(float('9' * 400 + 'e-400'))
+
+# many fractional digits
+print(float('.' + '9' * 400))
+print(float('.' + '9' * 400 + 'e100'))
+print(float('.' + '9' * 400 + 'e-100'))
+
+# tiny fraction with large exponent
+print(float('.' + '0' * 400 + '9e100'))
+print(float('.' + '0' * 400 + '9e200'))
+print(float('.' + '0' * 400 + '9e400'))