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circuitpython/tests/micropython/heapalloc_fail_memoryview.py

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tests/micropython: Add some tests for failed heap allocation. This adds tests for some locations in the code where a memory allocation should raise an exception.
2019-04-18 00:34:12 -04:00
# test handling of failed heap allocation with memoryview
import micropython
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.
2020-03-22 22:26:08 -04:00
tests/micropython: Add some tests for failed heap allocation. This adds tests for some locations in the code where a memory allocation should raise an exception.
2019-04-18 00:34:12 -04:00
class GetSlice:
def __getitem__(self, idx):
return idx
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.
2020-03-22 22:26:08 -04:00
tests/micropython: Add some tests for failed heap allocation. This adds tests for some locations in the code where a memory allocation should raise an exception.
2019-04-18 00:34:12 -04:00
sl = GetSlice()[:]
# create memoryview
micropython.heap_lock()
try:
memoryview(b"")
except MemoryError:
print("MemoryError: memoryview create")
micropython.heap_unlock()
# memoryview get with slice
m = memoryview(b"")
micropython.heap_lock()
try:
m[sl]
except MemoryError:
print("MemoryError: memoryview subscr get")
micropython.heap_unlock()