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-rw-r--r--tests/micropython/heap_lock.py14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/micropython/heap_lock.py b/tests/micropython/heap_lock.py
new file mode 100644
index 0000000000..0f0a70eff1
--- /dev/null
+++ b/tests/micropython/heap_lock.py
@@ -0,0 +1,14 @@
+# check that heap_lock/heap_unlock work as expected
+
+import micropython
+
+micropython.heap_lock()
+
+try:
+ print([])
+except MemoryError:
+ print('MemoryError')
+
+micropython.heap_unlock()
+
+print([])