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-rw-r--r--tests/pyb/uart.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/tests/pyb/uart.py b/tests/pyb/uart.py
index dff5a5687..cb0be91c0 100644
--- a/tests/pyb/uart.py
+++ b/tests/pyb/uart.py
@@ -1,5 +1,13 @@
from pyb import UART
+# test we can correctly create by id or name
+for bus in (-1, 0, 1, 2, 3, 4, 5, 6, 7, "XA", "XB", "YA", "YB", "Z"):
+ try:
+ UART(bus, 9600)
+ print("UART", bus)
+ except ValueError:
+ print("ValueError", bus)
+
uart = UART(1)
uart = UART(1, 9600)
uart = UART(1, 9600, bits=8, parity=None, stop=1)