diff --git a/test/Connection.py b/test/Connection.py
index 13785b4..3d5d540 100644
--- a/test/Connection.py
+++ b/test/Connection.py
@@ -48,6 +48,29 @@ class TestConnection(TestCase):
                 self.tnsentry)
         self.verifyArgs(connection)
 
+    def testAppContext(self):
+        "test use of application context"
+        namespace = "CLIENTCONTEXT"
+        appContextEntries = [
+            ( namespace, "ATTR1", "VALUE1" ),
+            ( namespace, "ATTR2", "VALUE2" ),
+            ( namespace, "ATTR3", "VALUE3" )
+        ]
+        connection = cx_Oracle.connect(self.username, self.password,
+                self.tnsentry, appcontext = appContextEntries)
+        cursor = connection.cursor()
+        for namespace, name, value in appContextEntries:
+            cursor.execute("select sys_context(:1, :2) from dual",
+                    (namespace, name))
+            actualValue, = cursor.fetchone()
+            self.assertEqual(actualValue, value)
+
+    def testAppContextNegative(self):
+        "test invalid use of application context"
+        self.assertRaises(TypeError, cx_Oracle.connect, self.username,
+                self.password, self.tnsentry,
+                appcontext =  [('userenv', 'action')])
+
     def testAttributes(self):
         "test connection end-to-end tracing attributes"
         connection = cx_Oracle.connect(USERNAME, PASSWORD, TNSENTRY)
@@ -111,6 +134,14 @@ class TestConnection(TestCase):
                 self.tnsentry)
         connection.changepassword(newPassword, self.password)
 
+    def testChangePasswordNegative(self):
+        "test changing password to an invalid value"
+        newPassword = "1" * 150
+        connection = cx_Oracle.connect(self.username, self.password,
+                self.tnsentry)
+        self.assertRaises(cx_Oracle.DatabaseError, connection.changepassword,
+                self.password, newPassword)
+
     def testEncodings(self):
         "connection with only encoding or nencoding specified should work"
         connection = cx_Oracle.connect(self.username, self.password,
@@ -301,7 +332,8 @@ class TestConnection(TestCase):
         connection = cx_Oracle.connect(self.username, self.password,
                 self.tnsentry, encoding = "UTF-8")
         self.assertEqual(connection.maxBytesPerCharacter, 4)
-        self.assertEqual(connection.ltxid, b'')
+        if CLIENT_VERSION >= (12, 1):
+            self.assertEqual(connection.ltxid, b'')
         self.assertEqual(connection.current_schema, None)
         connection.current_schema = "test_schema"
         self.assertEqual(connection.current_schema, "test_schema")
@@ -315,6 +347,19 @@ class TestConnection(TestCase):
         self.assertRaises(TypeError, connection.stmtcachesize, 20.5)
         self.assertRaises(TypeError, connection.stmtcachesize, "value")
 
+    def testClosedConnectionAttributes(self):
+        "test closed connection attribute values"
+        connection = cx_Oracle.connect(self.username, self.password,
+                self.tnsentry)
+        connection.close()
+        attrNames = ["current_schema", "edition", "external_name",
+                "internal_name", "stmtcachesize"]
+        if CLIENT_VERSION >= (12, 1):
+            attrNames.append("ltxid")
+        for name in attrNames:
+            self.assertRaises(cx_Oracle.DatabaseError, getattr, connection,
+                    name)
+
     def testPing(self):
         "test connection ping"
         connection = cx_Oracle.connect(self.username, self.password,
diff --git a/test/Cursor.py b/test/Cursor.py
index 9d71582..5f1a09c 100644
--- a/test/Cursor.py
+++ b/test/Cursor.py
@@ -541,6 +541,10 @@ class TestCursor(BaseTestCase):
         self.assertEqual(self.cursor.description,
                 [ ('LONGINTCOL', cx_Oracle.NUMBER, 17, None, 16, 0, 0) ])
 
+    def testSetOutputSize(self):
+        "test cursor.setoutputsize() does not fail (but does nothing)"
+        self.cursor.setoutputsize(100, 2)
+
     def testVarNegative(self):
         "test cursor.var() with invalid parameters"
         self.assertRaises(TypeError, self.cursor.var, 5)