From 8e43cd79293d70ddb6728ef90335e442d96ce038 Mon Sep 17 00:00:00 2001
From: Jeremy Hylton <jeremy@alum.mit.edu>
Date: Wed, 28 Feb 2001 01:51:01 +0000
Subject: [PATCH] verify that warnings are issued for bogus uses of global

---
 Lib/test/output/test_global |  4 ++++
 Lib/test/test_global.py     | 40 +++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 Lib/test/output/test_global
 create mode 100644 Lib/test/test_global.py

diff --git a/Lib/test/output/test_global b/Lib/test/output/test_global
new file mode 100644
index 00000000000..8208920cb53
--- /dev/null
+++ b/Lib/test/output/test_global
@@ -0,0 +1,4 @@
+test_global
+got SyntaxWarning as expected
+got SyntaxWarning as expected
+got SyntaxWarning as expected
diff --git a/Lib/test/test_global.py b/Lib/test/test_global.py
new file mode 100644
index 00000000000..7670ad1dedf
--- /dev/null
+++ b/Lib/test/test_global.py
@@ -0,0 +1,40 @@
+"""Verify that warnings are issued for global statements following use"""
+
+from test_support import check_syntax
+
+import warnings
+
+warnings.filterwarnings("error", category=SyntaxWarning, module=__name__)
+
+def compile_and_catch_warning(text):
+    try:
+        compile(text, "<test code>", "exec")
+    except SyntaxWarning, msg:
+        print "got SyntaxWarning as expected"
+    else:
+        print "expected SyntaxWarning"
+
+prog_text_1 = """
+def wrong1():
+    a = 1
+    b = 2
+    global a
+    global b
+"""
+compile_and_catch_warning(prog_text_1)
+
+prog_text_2 = """
+def wrong2():
+    print x
+    global x
+"""
+compile_and_catch_warning(prog_text_2)
+
+prog_text_3 = """
+def wrong3():
+    print x
+    x = 2
+    global x
+"""
+compile_and_catch_warning(prog_text_3)
+