Bounds-checking iterator wrapper, for use with Codec::encode/decode.

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@641315 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 74 insertions, 0 deletions

diff --git a/cpp/src/tests/BoundedIterator.cpp b/cpp/src/tests/BoundedIterator.cpp
new file mode 100644
index 0000000000..34e1a99cd8
--- /dev/null
+++ b/cpp/src/tests/BoundedIterator.cpp
@@ -0,0 +1,74 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+#include "unit_test.h"
+#include "qpid/BoundedIterator.h"
+
+using namespace std;
+using namespace qpid;
+
+QPID_AUTO_TEST_SUITE(BoundedIteratorTestSuite)
+
+BOOST_AUTO_TEST_CASE(testIncrement) {
+    char* b="ab";
+    char* e=b+strlen(b);
+    BoundedIterator<char*> i(b,e);
+    BOOST_CHECK_EQUAL('a', *i);
+    ++i;
+    BOOST_CHECK_EQUAL('b', *i);
+    ++i;
+    BOOST_CHECK(static_cast<char*>(i) == e);
+    try {
+        ++i;
+        BOOST_FAIL("Expected exception");
+    }
+    catch (const OutOfBoundsException&) {}
+}
+
+BOOST_AUTO_TEST_CASE(testAdvance) {
+    char* b="abc";
+    char* e=b+strlen(b);
+    BoundedIterator<char*> i(b,e);
+    i += 2;
+    BOOST_CHECK_EQUAL('c', *i);
+    try {
+        i += 2;
+        BOOST_FAIL("Expected exception");
+    }
+    catch (const OutOfBoundsException&) {}
+}
+
+BOOST_AUTO_TEST_CASE(testDeref) {
+    char* b="ab";
+    char* e=b+strlen(b);
+    BoundedIterator<char*> i(b,e);
+    i += 2;
+    BOOST_CHECK(static_cast<char*>(i) == e);
+    try {
+        (void)*i;
+        BOOST_FAIL("Expected exception");
+    }
+    catch (const OutOfBoundsException&) {}
+}
+
+
+
+
+QPID_AUTO_TEST_SUITE_END()