tests: Improve test coverage of py/compile.c.

tests/basics/async_def.py

@@ -0,0 +1,16 @@
+# test async def
+
+def dec(f):
+    print('decorator')
+    return f
+
+# test definition with a decorator
+@dec
+async def foo():
+    print('foo')
+
+coro = foo()
+try:
+    coro.send(None)
+except StopIteration:
+    print('StopIteration')

tests/basics/async_def.py.exp

@@ -0,0 +1,3 @@
+decorator
+foo
+StopIteration

tests/basics/async_with.py

@@ -3,6 +3,7 @@
 class AContext:
     async def __aenter__(self):
         print('enter')
+        return 1
     async def __aexit__(self, exc_type, exc, tb):
         print('exit', exc_type, exc)
 
@@ -17,7 +18,8 @@ except StopIteration:
     print('finished')
 
 async def g():
-    async with AContext():
+    async with AContext() as ac:
+        print(ac)
         raise ValueError('error')
 
 o = g()

tests/basics/async_with.py.exp

@@ -3,5 +3,6 @@ body
 exit None None
 finished
 enter
+1
 exit <class 'ValueError'> error
 ValueError

tests/basics/del_global.py

@@ -54,3 +54,8 @@ try:
     print(c)
 except NameError:
     print("NameError")
+
+a = 1
+b = 2
+c = 3
+del (a, (b, c))

tests/basics/for_range.py

@@ -34,6 +34,11 @@ try:
         print(x)
 except TypeError:
     print('TypeError')
+try:
+    for x in range(start=0, end=1):
+        print(x)
+except TypeError:
+    print('TypeError')
 try:
     for x in range(0, 1, step=1):
         print(x)

tests/basics/syntaxerror.py

@@ -49,6 +49,9 @@ test_syntax("f[0]**2 = 1")
 # can't assign to empty tuple
 test_syntax("() = 1")
 
+# can't have *x on RHS
+test_syntax("x = *x")
+
 # can't have multiple *x on LHS
 test_syntax("*a, *b = c")
 
@@ -76,6 +79,7 @@ test_syntax("continue")
 test_syntax("return")
 test_syntax("yield")
 test_syntax("nonlocal a")
+test_syntax("await 1")
 
 # error on uPy, warning on CPy
 #test_syntax("def f():\n a = 1\n global a")

tests/basics/unpack1.py

@@ -12,6 +12,7 @@ a, b, c = range(3); print(a, b, c)
 (a,) = range(1); print(a)
 (a, b) = range(2); print(a, b)
 (a, b, c) = range(3); print(a, b, c)
+(a, (b, c)) = [-1, range(2)]; print(a, b, c)
 
 # lists