tests: Allow tests to pass against CPython 3.5.

All breaking changes going from 3.4 to 3.5 are contained in
basics/python34.py.

tests/basics/builtin_eval_error.py

@@ -1,6 +1,6 @@
 # test if eval raises SyntaxError
 
 try:
-    print(eval("[1, *a]"))
+    print(eval("[1,,]"))
 except SyntaxError:
     print("SyntaxError")

tests/basics/fun_kwvarargs.py

@@ -23,9 +23,3 @@ def f4(*vargs, **kwargs):
 f4(*(1, 2))
 f4(kw_arg=3)
 f4(*(1, 2), kw_arg=3)
-
-# test evaluation order of arguments (in CPy 3.4 it's actually backwards)
-def print_ret(x):
-    print(x)
-    return x
-f4(*print_ret(['a', 'b']), kw_arg=print_ret(None))

tests/basics/python34.py

@@ -0,0 +1,26 @@
+# tests that differ when running under Python 3.4 vs 3.5
+
+# from basics/fun_kwvarargs.py
+# test evaluation order of arguments (in 3.4 it's backwards, 3.5 it's fixed)
+def f4(*vargs, **kwargs):
+    print(vargs, kwargs)
+def print_ret(x):
+    print(x)
+    return x
+f4(*print_ret(['a', 'b']), kw_arg=print_ret(None))
+
+# from basics/syntaxerror.py
+# can't have multiple * or ** (in 3.5 we can)
+def test_syntax(code):
+    try:
+        exec(code)
+    except SyntaxError:
+        print("SyntaxError")
+test_syntax("f(*a, *b)")
+test_syntax("f(**a, **b)")
+
+# from basics/sys1.py
+# uPy prints version 3.4
+import sys
+print(sys.version[:3])
+print(sys.version_info[0], sys.version_info[1])

tests/basics/python34.py.exp

@@ -0,0 +1,7 @@
+None
+['a', 'b']
+('a', 'b') {'kw_arg': None}
+SyntaxError
+SyntaxError
+3.4
+3 4

tests/basics/syntaxerror.py

@@ -83,10 +83,6 @@ test_syntax("nonlocal a")
 # default except must be last
 test_syntax("try:\n a\nexcept:\n pass\nexcept:\n pass")
 
-# can't have multiple * or **
-test_syntax("f(*a, *b)")
-test_syntax("f(**a, **b)")
-
 # LHS of keywords must be id's
 test_syntax("f(1=2)")
 

tests/basics/sys1.py

@@ -5,8 +5,6 @@ import sys
 print(sys.__name__)
 print(type(sys.path))
 print(type(sys.argv))
-print(sys.version[:3])
-print(sys.version_info[0], sys.version_info[1])
 print(sys.byteorder in ('little', 'big'))
 print(sys.maxsize > 100)
 print(sys.implementation.name in ('cpython', 'micropython'))

tests/misc/print_exception.py

@@ -4,7 +4,7 @@ if hasattr(sys, 'print_exception'):
     print_exception = sys.print_exception
 else:
     import traceback
-    print_exception = lambda e, f: traceback.print_exception(None, e, None, file=f)
+    print_exception = lambda e, f: traceback.print_exception(None, e, sys.exc_info()[2], file=f)
 
 def print_exc(e):
     buf = io.StringIO()