[Python-checkins] bpo-32478: Add tests for 'break' and 'return' inside 'finally' clause. (#5078)

[Serhiy Storchaka]

https://github.com/python/cpython/commit/7cc42c356b0dc5ad9eaa9392789e84bd4aa1c7de
commit: 7cc42c356b0dc5ad9eaa9392789e84bd4aa1c7de
branch: master
author: Serhiy Storchaka <storchaka at gmail.com>
committer: GitHub <noreply at github.com>
date: 2018-01-02T02:38:35+02:00
summary:

bpo-32478: Add tests for 'break' and 'return' inside 'finally' clause. (#5078)

files:
M Lib/test/test_grammar.py

diff --git a/Lib/test/test_grammar.py b/Lib/test/test_grammar.py
index 823315f8cd0..9f26e9c4fb0 100644
--- a/Lib/test/test_grammar.py
+++ b/Lib/test/test_grammar.py
@@ -805,6 +805,80 @@ def g2(): return 1
         x = g2()
         check_syntax_error(self, "class foo:return 1")
 
+    def test_break_in_finally(self):
+        count = 0
+        while count < 2:
+            count += 1
+            try:
+                pass
+            finally:
+                break
+        self.assertEqual(count, 1)
+
+        count = 0
+        while count < 2:
+            count += 1
+            try:
+                continue
+            finally:
+                break
+        self.assertEqual(count, 1)
+
+        count = 0
+        while count < 2:
+            count += 1
+            try:
+                1/0
+            finally:
+                break
+        self.assertEqual(count, 1)
+
+        for count in [0, 1]:
+            self.assertEqual(count, 0)
+            try:
+                pass
+            finally:
+                break
+        self.assertEqual(count, 0)
+
+        for count in [0, 1]:
+            self.assertEqual(count, 0)
+            try:
+                continue
+            finally:
+                break
+        self.assertEqual(count, 0)
+
+        for count in [0, 1]:
+            self.assertEqual(count, 0)
+            try:
+                1/0
+            finally:
+                break
+        self.assertEqual(count, 0)
+
+    def test_return_in_finally(self):
+        def g1():
+            try:
+                pass
+            finally:
+                return 1
+        self.assertEqual(g1(), 1)
+
+        def g2():
+            try:
+                return 2
+            finally:
+                return 3
+        self.assertEqual(g2(), 3)
+
+        def g3():
+            try:
+                1/0
+            finally:
+                return 4
+        self.assertEqual(g3(), 4)
+
     def test_yield(self):
         # Allowed as standalone statement
         def g(): yield 1