micropython: add micropython component

components/language/micropython/tests/io/file1.py

@@ -0,0 +1,49 @@
+f = open("io/data/file1")
+print(f.read(5))
+print(f.readline())
+print(f.read())
+f = open("io/data/file1")
+print(f.readlines())
+f = open("io/data/file1", "r")
+print(f.readlines())
+f = open("io/data/file1", "rb")
+print(f.readlines())
+f = open("io/data/file1", mode="r")
+print(f.readlines())
+f = open("io/data/file1", mode="rb")
+print(f.readlines())
+
+# write() error
+f = open("io/data/file1", "r")
+try:
+    f.write("x")
+except OSError:
+    print("OSError")
+f.close()
+
+# read(n) error on binary file
+f = open("io/data/file1", "ab")
+try:
+    f.read(1)
+except OSError:
+    print("OSError")
+f.close()
+
+# read(n) error on text file
+f = open("io/data/file1", "at")
+try:
+    f.read(1)
+except OSError:
+    print("OSError")
+f.close()
+
+# read() w/o args error
+f = open("io/data/file1", "ab")
+try:
+    f.read()
+except OSError:
+    print("OSError")
+f.close()
+
+# close() on a closed file
+f.close()