micropython: add micropython component

components/language/micropython/tests/thread/stress_create.py

@@ -0,0 +1,30 @@
+# stress test for creating many threads
+
+try:
+    import utime
+
+    sleep_ms = utime.sleep_ms
+except ImportError:
+    import time
+
+    sleep_ms = lambda t: time.sleep(t / 1000)
+import _thread
+
+
+def thread_entry(n):
+    pass
+
+
+thread_num = 0
+while thread_num < 500:
+    try:
+        _thread.start_new_thread(thread_entry, (thread_num,))
+        thread_num += 1
+    except (MemoryError, OSError) as er:
+        # Cannot create a new thead at this stage, yield for a bit to
+        # let existing threads run to completion and free up resources.
+        sleep_ms(50)
+
+# wait for the last threads to terminate
+sleep_ms(500)
+print("done")