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extern/stdcxx/4.2.1/tests/regress/23.list.insert.stdcxx-331.cpp

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+/************************************************************************
+ *
+ * 23.list.insert.stdcxx-331.cpp - test case from STDCXX-331 issue
+ *
+ * $Id: 23.list.insert.stdcxx-331.cpp 550991 2007-06-26 23:58:07Z sebor $
+ *
+ ***************************************************************************
+ *
+ * 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 <list>
+#include <cassert>
+
+static int throw_inx = -1;
+
+class ListItem
+{
+public:
+    static int count_;
+
+    void test ()
+    {
+        if (throw_inx == count_)
+            throw count_;
+
+        ++count_;
+    }
+
+    ListItem () { test (); }
+
+    ListItem (const ListItem&) { test (); }
+
+    ~ListItem () { --count_; }
+};
+
+int ListItem::count_ = 0;
+
+int main (int argc, char* argv[])
+{
+    typedef std::list<ListItem> List;
+    ListItem items [20];
+    List lst (1);
+
+    bool thrown = false;
+    throw_inx = 10;
+
+    List::iterator it = lst.begin ();
+    ListItem & ref = *it;
+
+    try {
+        ListItem::count_ = 0;
+        lst.insert (it, 20, items [0]);
+    } catch (...) {
+        thrown = true;
+    }
+
+    assert (thrown);
+    assert (it == lst.begin ());
+    assert (&ref == &*lst.begin ());
+    assert (1 == lst.size ());
+    assert (0 == ListItem::count_);
+
+    try {
+        ListItem::count_ = 0;
+        lst.insert (it, items, items + 20);
+    } catch (...) {
+        thrown = true;
+    }
+
+    assert (thrown);
+    assert (it == lst.begin ());
+    assert (&ref == &*lst.begin ());
+    assert (1 == lst.size ());
+    assert (0 == ListItem::count_);
+
+    return 0;
+}