micropython: add micropython component

components/language/micropython/tests/feature_check/README

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+This directory doesn't contain real tests, but code snippets to detect
+various interpreter features, which can't be/inconvenient to detecte by
+other means. Scripts here are executed by run-tests.py at the beginning of
+testsuite to decide what other test groups to run/exclude.

components/language/micropython/tests/feature_check/async_check.py

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+# check if async/await keywords are supported
+async def foo():
+    await 1
+
+
+print("async")

components/language/micropython/tests/feature_check/bytearray.py

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+try:
+    bytearray
+    print("bytearray")
+except NameError:
+    print("no")

components/language/micropython/tests/feature_check/byteorder.py

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+try:
+    import usys as sys
+except ImportError:
+    import sys
+
+print(sys.byteorder)

components/language/micropython/tests/feature_check/complex.py

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+try:
+    complex
+    print("complex")
+except NameError:
+    print("no")

components/language/micropython/tests/feature_check/const.py

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+x = const(1)
+print(x)

components/language/micropython/tests/feature_check/coverage.py

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+try:
+    extra_coverage
+    print("coverage")
+except NameError:
+    print("no")

components/language/micropython/tests/feature_check/float.py

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+# detect how many bits of precision the floating point implementation has
+
+try:
+    float
+except NameError:
+    print(0)
+else:
+    if float("1.0000001") == float("1.0"):
+        print(30)
+    elif float("1e300") == float("inf"):
+        print(32)
+    else:
+        print(64)

components/language/micropython/tests/feature_check/float.py.exp

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+64

components/language/micropython/tests/feature_check/fstring.py

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+# check whether f-strings (PEP-498) are supported
+a = 1
+print(f"a={a}")

components/language/micropython/tests/feature_check/fstring.py.exp

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+a=1

components/language/micropython/tests/feature_check/int_big.py

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+# Check whether arbitrary-precision integers (MPZ) are supported
+print(1000000000000000000000000000000000000000000000)

components/language/micropython/tests/feature_check/int_big.py.exp

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+1000000000000000000000000000000000000000000000

components/language/micropython/tests/feature_check/native_check.py

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+# this test for the availability of native emitter
+@micropython.native
+def f():
+    pass
+
+
+f()
+print("native")

components/language/micropython/tests/feature_check/repl_emacs_check.py

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+# Check for emacs keys in REPL
+t = +11
+t == 2

components/language/micropython/tests/feature_check/repl_emacs_check.py.exp

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+MicroPython \.\+ version
+Use \.\+
+>>> # Check for emacs keys in REPL
+>>> t = \.\+
+>>> t == 2
+True
+>>> 

components/language/micropython/tests/feature_check/repl_words_move_check.py

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+# just check if ctrl+w is supported, because it makes sure that
+# both MICROPY_REPL_EMACS_WORDS_MOVE and MICROPY_REPL_EXTRA_WORDS_MOVE are enabled.
+t = 1231
+t == 1

components/language/micropython/tests/feature_check/repl_words_move_check.py.exp

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+MicroPython \.\+ version
+Use \.\+
+>>> # Check for emacs keys in REPL
+>>> t = \.\+
+>>> t == 2
+True
+>>> 

components/language/micropython/tests/feature_check/reverse_ops.py

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+class Foo:
+    def __radd__(self, other):
+        pass
+
+
+try:
+    5 + Foo()
+except TypeError:
+    print("TypeError")

components/language/micropython/tests/feature_check/set_check.py

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+# check if set literal syntax is supported
+print({1})

components/language/micropython/tests/feature_check/slice.py

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+try:
+    slice
+    print("slice")
+except NameError:
+    print("no")

components/language/micropython/tests/feature_check/uio_module.py

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+try:
+    import uio
+
+    print("uio")
+except ImportError:
+    print("no")