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micropython/tests/float/string_format_modulo2.py

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Python
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py/formatfloat: Fix further cases of buffer overflow in formatting. Includes extensive test cases to catch hopefully all cases where buffer might overflow.
2016-03-29 21:07:15 +00:00
# test formatting floats with large precision, that it doesn't overflow the buffer
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
2020-03-23 02:26:08 +00:00
py/formatfloat: Fix further cases of buffer overflow in formatting. Includes extensive test cases to catch hopefully all cases where buffer might overflow.
2016-03-29 21:07:15 +00:00
def test(num, num_str):
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
2020-03-23 02:26:08 +00:00
if num == float("inf") or num == 0.0 and num_str != "0.0":
py/formatfloat: Fix further cases of buffer overflow in formatting. Includes extensive test cases to catch hopefully all cases where buffer might overflow.
2016-03-29 21:07:15 +00:00
# skip numbers that overflow or underflow the FP precision
return
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
2020-03-23 02:26:08 +00:00
for kind in ("e", "f", "g"):
py/formatfloat: Fix further cases of buffer overflow in formatting. Includes extensive test cases to catch hopefully all cases where buffer might overflow.
2016-03-29 21:07:15 +00:00
# check precision either side of the size of the buffer (32 bytes)
for prec in range(23, 36, 2):
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
2020-03-23 02:26:08 +00:00
fmt = "%." + "%d" % prec + kind
py/formatfloat: Fix further cases of buffer overflow in formatting. Includes extensive test cases to catch hopefully all cases where buffer might overflow.
2016-03-29 21:07:15 +00:00
s = fmt % num
check = abs(float(s) - num)
if num > 1:
check /= num
if check > 1e-6:
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
2020-03-23 02:26:08 +00:00
print("FAIL", num_str, fmt, s, len(s), check)
py/formatfloat: Fix further cases of buffer overflow in formatting. Includes extensive test cases to catch hopefully all cases where buffer might overflow.
2016-03-29 21:07:15 +00:00
# check pure zero
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
2020-03-23 02:26:08 +00:00
test(0.0, "0.0")
py/formatfloat: Fix further cases of buffer overflow in formatting. Includes extensive test cases to catch hopefully all cases where buffer might overflow.
2016-03-29 21:07:15 +00:00
tests/string_format_modulo2: Split off intbig test.
2017-03-06 23:13:36 +00:00
# check some powers of 10, making sure to include exponents with 3 digits
for e in range(-8, 8):
py/formatfloat: Fix further cases of buffer overflow in formatting. Includes extensive test cases to catch hopefully all cases where buffer might overflow.
2016-03-29 21:07:15 +00:00
num = pow(10, e)
tests: Format all Python code with black, except tests in basics subdir. This adds the Python files in the tests/ directory to be formatted with ./tools/codeformat.py. The basics/ subdirectory is excluded for now so we aren't changing too much at once. In a few places `# fmt: off`/`# fmt: on` was used where the code had special formatting for readability or where the test was actually testing the specific formatting.
2020-03-23 02:26:08 +00:00
test(num, "1e%d" % e)