tests: Add tests for calling super and loading a method directly.

tests/basics/class_super.py

@@ -20,3 +20,17 @@ class A:
     def p(self):
         print(str(super())[:18])
 A().p()
+
+
+# test compiler's handling of long expressions with super
+class A:
+    bar = 123
+    def foo(self):
+        print('A foo')
+        return [1, 2, 3]
+class B(A):
+    def foo(self):
+        print('B foo')
+        print(super().bar) # accessing attribute after super()
+        return super().foo().count(2) # calling a subsequent method
+print(B().foo())

tests/cmdline/cmd_showbc.py

@@ -150,3 +150,7 @@ class Class:
 
 # delete name
 del Class
+
+# load super method
+def f(self):
+    super().f()

tests/cmdline/cmd_showbc.py.exp

@@ -7,7 +7,7 @@ arg names:
 (N_EXC_STACK 0)
   bc=-1 line=1
 ########
-  bc=\\d\+ line=152
+  bc=\\d\+ line=155
 00 MAKE_FUNCTION \.\+
 \\d\+ STORE_NAME f
 \\d\+ MAKE_FUNCTION \.\+
@@ -25,6 +25,8 @@ arg names:
 \\d\+ CALL_FUNCTION n=2 nkw=0
 \\d\+ STORE_NAME Class
 \\d\+ DELETE_NAME Class
+\\d\+ MAKE_FUNCTION \.\+
+\\d\+ STORE_NAME f
 \\d\+ LOAD_CONST_NONE
 \\d\+ RETURN_VALUE
 File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ bytes)
@@ -428,6 +430,23 @@ arg names:
 10 STORE_NAME __qualname__
 13 LOAD_CONST_NONE
 14 RETURN_VALUE
+File cmdline/cmd_showbc.py, code block 'f' (descriptor: \.\+, bytecode @\.\+ bytes)
+Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
+########
+\.\+5b
+arg names: self
+(N_STATE 4)
+(N_EXC_STACK 0)
+  bc=-1 line=1
+  bc=0 line=156
+00 LOAD_GLOBAL super (cache=0)
+\\d\+ LOAD_GLOBAL __class__ (cache=0)
+\\d\+ LOAD_FAST 0
+\\d\+ LOAD_SUPER_METHOD f
+\\d\+ CALL_METHOD n=0 nkw=0
+\\d\+ POP_TOP
+\\d\+ LOAD_CONST_NONE
+\\d\+ RETURN_VALUE
 File cmdline/cmd_showbc.py, code block '<genexpr>' (descriptor: \.\+, bytecode @\.\+ bytes)
 Raw bytecode (code_info_size=\\d\+, bytecode_size=\\d\+):
 ########

tests/micropython/heapalloc_super.py

@@ -0,0 +1,17 @@
+# test super() operations which don't require allocation
+import micropython
+
+class A:
+    def foo(self):
+        print('A foo')
+        return 42
+class B(A):
+    def foo(self):
+        print('B foo')
+        print(super().foo())
+
+b = B()
+
+micropython.heap_lock()
+b.foo()
+micropython.heap_unlock()

tests/micropython/heapalloc_super.py.exp

@@ -0,0 +1,3 @@
+B foo
+A foo
+42