summaryrefslogtreecommitdiffstatshomepage
path: root/tests/basics/io_bytesio_ext2.py
diff options
context:
space:
mode:
authorDamien George <damien.p.george@gmail.com>2018-06-20 17:11:58 +1000
committerDamien George <damien.p.george@gmail.com>2018-06-27 16:55:05 +1000
commit726804ea405483872ebc93772aea0ab0bfce0bcf (patch)
treef3ee9544b5ea83dfa671e40a4341bf91524e785c /tests/basics/io_bytesio_ext2.py
parentbc6c56d75d1b954b42b01dc8e10e283523b2e902 (diff)
downloadmicropython-726804ea405483872ebc93772aea0ab0bfce0bcf.tar.gz
micropython-726804ea405483872ebc93772aea0ab0bfce0bcf.zip
tests: Move non-filesystem io tests to basics dir with io_ prefix.
Diffstat (limited to 'tests/basics/io_bytesio_ext2.py')
-rw-r--r--tests/basics/io_bytesio_ext2.py13
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/basics/io_bytesio_ext2.py b/tests/basics/io_bytesio_ext2.py
new file mode 100644
index 0000000000..8f624fd58c
--- /dev/null
+++ b/tests/basics/io_bytesio_ext2.py
@@ -0,0 +1,13 @@
+try:
+ import uio as io
+except ImportError:
+ import io
+
+a = io.BytesIO(b"foobar")
+try:
+ a.seek(-10)
+except Exception as e:
+ # CPython throws ValueError, but MicroPython has consistent stream
+ # interface, so BytesIO raises the same error as a real file, which
+ # is OSError(EINVAL).
+ print(type(e), e.args[0] > 0)