tests: Add check for micropython.native and then skip relevant tests.

If micropython.native decorator doesn't compile, then we skill all
native/viper tests.

This patch also re-enables the ujson_loads test on NT.

Addresses issue #861, and partially addresses issue #856.

1 files changed, 90 insertions, 0 deletions

diff --git a/tests/micropython/viper_misc.py b/tests/micropython/viper_misc.py
new file mode 100644
index 000000000..7e6ed67d4
--- /dev/null
+++ b/tests/micropython/viper_misc.py
@@ -0,0 +1,90 @@
+import micropython
+
+# viper function taking and returning ints
+@micropython.viper
+def viper_int(x:int, y:int) -> int:
+    return x + y + 3
+print(viper_int(1, 2))
+
+# viper function taking and returning objects
+@micropython.viper
+def viper_object(x:object, y:object) -> object:
+    return x + y
+print(viper_object(1, 2))
+
+# a local (should have automatic type int)
+@micropython.viper
+def viper_local(x:int) -> int:
+    y = 4
+    return x + y
+print(viper_local(3))
+
+# without type annotation, types should default to object
+@micropython.viper
+def viper_no_annotation(x, y):
+    return x * y
+print(viper_no_annotation(4, 5))
+
+# a for loop
+@micropython.viper
+def viper_for(a:int, b:int) -> int:
+    total = 0
+    for x in range(a, b):
+        total += x
+    return total
+print(viper_for(10, 10000))
+
+# accessing a global
+@micropython.viper
+def viper_access_global():
+    global gl
+    gl = 1
+    return gl
+print(viper_access_global(), gl)
+
+# calling print with object and int types
+@micropython.viper
+def viper_print(x, y:int):
+    print(x, y + 1)
+viper_print(1, 2)
+
+# making a tuple from an object and an int
+@micropython.viper
+def viper_tuple(x, y:int):
+    return (x, y + 1)
+print(viper_tuple(1, 2))
+
+# making a list from an object and an int
+@micropython.viper
+def viper_list(x, y:int):
+    return [x, y + 1]
+print(viper_list(1, 2))
+
+# making a set from an object and an int
+@micropython.viper
+def viper_set(x, y:int):
+    return {x, y + 1}
+print(sorted(list(viper_set(1, 2))))
+
+# raising an exception
+@micropython.viper
+def viper_raise(x:int):
+    raise SystemError(x)
+try:
+    viper_raise(1)
+except SystemError as e:
+    print(repr(e))
+
+# this doesn't work at the moment
+#@micropython.viper
+#def g() -> uint:
+#    return -1
+
+# calling GC after defining the function
+@micropython.viper
+def viper_gc() -> int:
+    return 1
+print(viper_gc())
+import gc
+gc.collect()
+print(viper_gc())