Add regression test for future statements. This adds eight files, but

seven are not tests in their own right; these files are mentioned in
regrtest.

Lib/test/test_future.py

@@ -0,0 +1,45 @@
+# Test various flavors of legal and illegal future statements
+
+from test_support import unload
+import re
+
+rx = re.compile('\((\S+).py, line (\d+)')
+
+def check_error_location(msg):
+    mo = rx.search(msg)
+    print "SyntaxError %s %s" % mo.group(1, 2)
+
+# The first two tests should work
+
+unload('test_future1')
+import test_future1
+
+unload('test_future2')
+import test_future2
+
+# The remaining tests should fail
+try:
+    import test_future3
+except SyntaxError, msg:
+    check_error_location(str(msg))
+
+try:
+    import test_future4
+except SyntaxError, msg:
+    check_error_location(str(msg))
+
+try:
+    import test_future5
+except SyntaxError, msg:
+    check_error_location(str(msg))
+
+try:
+    import test_future6
+except SyntaxError, msg:
+    check_error_location(str(msg))
+
+try:
+    import test_future7
+except SyntaxError, msg:
+    check_error_location(str(msg))
+