tests: Add tests using "file" argument in print and sys.print_exception.

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/io/builtin_print_file.py b/tests/io/builtin_print_file.py
new file mode 100644
index 000000000..d9b8e2a96
--- /dev/null
+++ b/tests/io/builtin_print_file.py
@@ -0,0 +1,17 @@
+# test builtin print function, using file= argument
+
+import sys
+
+try:
+    sys.stdout
+except AttributeError:
+    print('SKIP')
+    raise SystemExit
+
+print(file=sys.stdout)
+print('test', file=sys.stdout)
+
+try:
+    print(file=1)
+except (AttributeError, OSError): # CPython and uPy differ in error message
+    print('Error')