micropython: add micropython component

components/language/micropython/tests/stress/qstr_limit.py

@@ -0,0 +1,89 @@
+# Test interning qstrs that go over the limit of the maximum qstr length
+# (which is 255 bytes for the default configuration)
+
+
+def make_id(n, base="a"):
+    return "".join(chr(ord(base) + i % 26) for i in range(n))
+
+
+# identifiers in parser
+for l in range(254, 259):
+    g = {}
+    var = make_id(l)
+    try:
+        exec(var + "=1", g)
+    except RuntimeError:
+        print("RuntimeError", l)
+        continue
+    print(var in g)
+
+# calling a function with kwarg
+def f(**k):
+    print(k)
+
+
+for l in range(254, 259):
+    try:
+        exec("f({}=1)".format(make_id(l)))
+    except RuntimeError:
+        print("RuntimeError", l)
+
+# type construction
+for l in range(254, 259):
+    id = make_id(l)
+    try:
+        print(type(id, (), {}).__name__)
+    except RuntimeError:
+        print("RuntimeError", l)
+
+# hasattr, setattr, getattr
+class A:
+    pass
+
+
+for l in range(254, 259):
+    id = make_id(l)
+    a = A()
+    try:
+        setattr(a, id, 123)
+    except RuntimeError:
+        print("RuntimeError", l)
+    try:
+        print(hasattr(a, id), getattr(a, id))
+    except RuntimeError:
+        print("RuntimeError", l)
+
+# format with keys
+for l in range(254, 259):
+    id = make_id(l)
+    try:
+        print(("{" + id + "}").format(**{id: l}))
+    except RuntimeError:
+        print("RuntimeError", l)
+
+# modulo format with keys
+for l in range(254, 259):
+    id = make_id(l)
+    try:
+        print(("%(" + id + ")d") % {id: l})
+    except RuntimeError:
+        print("RuntimeError", l)
+
+# import module
+# (different OS's have different results so only run those that are consistent)
+for l in (100, 101, 256, 257, 258):
+    try:
+        __import__(make_id(l))
+    except ImportError:
+        print("ok", l)
+    except RuntimeError:
+        print("RuntimeError", l)
+
+# import package
+for l in (100, 101, 102, 128, 129):
+    try:
+        exec("import " + make_id(l) + "." + make_id(l, "A"))
+    except ImportError:
+        print("ok", l)
+    except RuntimeError:
+        print("RuntimeError", l)