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micropython/tests/thread/thread_shared1.py

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tests: Add tests for _thread module. Includes functionality and stress tests.
2016-04-19 18:03:26 +01:00
# test capability for threads to access a shared immutable data structure
#
# MIT license; Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd
import _thread
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
tests: Add tests for _thread module. Includes functionality and stress tests.
2016-04-19 18:03:26 +01:00
def foo(i):
pass
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
tests: Add tests for _thread module. Includes functionality and stress tests.
2016-04-19 18:03:26 +01:00
def thread_entry(n, tup):
for i in tup:
foo(i)
tests/thread: Remove need to sleep to wait for completion in some tests. Use a lock and a counter instead, and busy wait for all threads to complete. This makes test run faster and they no longer rely on the time module.
2016-04-21 13:38:22 +01:00
with lock:
global n_finished
n_finished += 1
tests: Add tests for _thread module. Includes functionality and stress tests.
2016-04-19 18:03:26 +01:00
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
tests/thread: Remove need to sleep to wait for completion in some tests. Use a lock and a counter instead, and busy wait for all threads to complete. This makes test run faster and they no longer rely on the time module.
2016-04-21 13:38:22 +01:00
lock = _thread.allocate_lock()
n_thread = 2
n_finished = 0
# the shared data structure
tests: Add tests for _thread module. Includes functionality and stress tests.
2016-04-19 18:03:26 +01:00
tup = (1, 2, 3, 4)
tests/thread: Remove need to sleep to wait for completion in some tests. Use a lock and a counter instead, and busy wait for all threads to complete. This makes test run faster and they no longer rely on the time module.
2016-04-21 13:38:22 +01:00
# spawn threads
for i in range(n_thread):
_thread.start_new_thread(thread_entry, (100, tup))
# busy wait for threads to finish
while n_finished < n_thread:
pass
tests: Add tests for _thread module. Includes functionality and stress tests.
2016-04-19 18:03:26 +01:00
print(tup)