fix secure tab

venv/lib/python3.9/site-packages/gevent/tests/test__order.py

@@ -0,0 +1,60 @@
+import gevent
+import gevent.testing as greentest
+
+
+class appender(object):
+
+    def __init__(self, lst, item):
+        self.lst = lst
+        self.item = item
+
+    def __call__(self, *args):
+        self.lst.append(self.item)
+
+
+class Test(greentest.TestCase):
+
+    count = 2
+
+    def test_greenlet_link(self):
+        lst = []
+
+        # test that links are executed in the same order as they were added
+        g = gevent.spawn(lst.append, 0)
+
+        for i in range(1, self.count):
+            g.link(appender(lst, i))
+        g.join()
+        self.assertEqual(lst, list(range(self.count)))
+
+
+class Test3(Test):
+    count = 3
+
+
+class Test4(Test):
+    count = 4
+
+
+class TestM(Test):
+    count = 1000
+
+
+class TestSleep0(greentest.TestCase):
+
+    def test(self):
+        lst = []
+        gevent.spawn(sleep0, lst, '1')
+        gevent.spawn(sleep0, lst, '2')
+        gevent.wait()
+        self.assertEqual(' '.join(lst), '1A 2A 1B 2B')
+
+
+def sleep0(lst, param):
+    lst.append(param + 'A')
+    gevent.sleep(0)
+    lst.append(param + 'B')
+
+
+if __name__ == '__main__':
+    greentest.main()