More vector::iterator debug mode tests. Run by adding to OPTIONS -D_LIBCPP_DEBUG2=1.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@177897 91177308-0d34-0410-b5e6-96231b3b80d8

test/containers/sequences/vector/db_iterators_1.pass.cpp

@@ -9,12 +9,7 @@
 
 // <vector>
 
-// iterator       begin();
-// iterator       end();
-// const_iterator begin()  const;
-// const_iterator end()    const;
-// const_iterator cbegin() const;
-// const_iterator cend()   const;
+// Compare iterators from different containers with == or !=.
 
 #if _LIBCPP_DEBUG2 >= 1
 
@@ -50,4 +45,4 @@ int main()
 {
 }
 
-#endif
+#endif

test/containers/sequences/vector/db_iterators_2.pass.cpp

@@ -0,0 +1,48 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <vector>
+
+// Compare iterators from different containers with <.
+
+#if _LIBCPP_DEBUG2 >= 1
+
+struct X {};
+
+#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
+
+#include <vector>
+#include <cassert>
+#include <iterator>
+#include <exception>
+#include <cstdlib>
+
+void f1()
+{
+    std::exit(0);
+}
+
+int main()
+{
+    std::set_terminate(f1);
+    typedef int T;
+    typedef std::vector<T> C;
+    C c1;
+    C c2;
+    bool b = c1.begin() < c2.begin();
+    assert(false);
+}
+
+#else
+
+int main()
+{
+}
+
+#endif

test/containers/sequences/vector/db_iterators_3.pass.cpp

@@ -0,0 +1,48 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <vector>
+
+// Subtract iterators from different containers.
+
+#if _LIBCPP_DEBUG2 >= 1
+
+struct X {};
+
+#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
+
+#include <vector>
+#include <cassert>
+#include <iterator>
+#include <exception>
+#include <cstdlib>
+
+void f1()
+{
+    std::exit(0);
+}
+
+int main()
+{
+    std::set_terminate(f1);
+    typedef int T;
+    typedef std::vector<T> C;
+    C c1;
+    C c2;
+    int i = c1.begin() - c2.begin();
+    assert(false);
+}
+
+#else
+
+int main()
+{
+}
+
+#endif

test/containers/sequences/vector/db_iterators_4.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <vector>
+
+// Index iterator out of bounds.
+
+#if _LIBCPP_DEBUG2 >= 1
+
+struct X {};
+
+#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
+
+#include <vector>
+#include <cassert>
+#include <iterator>
+#include <exception>
+#include <cstdlib>
+
+void f1()
+{
+    std::exit(0);
+}
+
+int main()
+{
+    std::set_terminate(f1);
+    typedef int T;
+    typedef std::vector<T> C;
+    C c(1);
+    C::iterator i = c.begin();
+    assert(i[0] == 0);
+    assert(i[1] == 0);
+    assert(false);
+}
+
+#else
+
+int main()
+{
+}
+
+#endif

test/containers/sequences/vector/db_iterators_5.pass.cpp

@@ -0,0 +1,51 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <vector>
+
+// Add to iterator out of bounds.
+
+#if _LIBCPP_DEBUG2 >= 1
+
+struct X {};
+
+#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
+
+#include <vector>
+#include <cassert>
+#include <iterator>
+#include <exception>
+#include <cstdlib>
+
+void f1()
+{
+    std::exit(0);
+}
+
+int main()
+{
+    std::set_terminate(f1);
+    typedef int T;
+    typedef std::vector<T> C;
+    C c(1);
+    C::iterator i = c.begin();
+    i += 1;
+    assert(i == c.end());
+    i = c.begin();
+    i += 2;
+    assert(false);
+}
+
+#else
+
+int main()
+{
+}
+
+#endif

test/containers/sequences/vector/db_iterators_6.pass.cpp

@@ -0,0 +1,50 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <vector>
+
+// Decrement iterator prior to begin.
+
+#if _LIBCPP_DEBUG2 >= 1
+
+struct X {};
+
+#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
+
+#include <vector>
+#include <cassert>
+#include <iterator>
+#include <exception>
+#include <cstdlib>
+
+void f1()
+{
+    std::exit(0);
+}
+
+int main()
+{
+    std::set_terminate(f1);
+    typedef int T;
+    typedef std::vector<T> C;
+    C c(1);
+    C::iterator i = c.end();
+    --i;
+    assert(i == c.begin());
+    --i;
+    assert(false);
+}
+
+#else
+
+int main()
+{
+}
+
+#endif

test/containers/sequences/vector/db_iterators_7.pass.cpp

@@ -0,0 +1,50 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <vector>
+
+// Increment iterator past end.
+
+#if _LIBCPP_DEBUG2 >= 1
+
+struct X {};
+
+#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
+
+#include <vector>
+#include <cassert>
+#include <iterator>
+#include <exception>
+#include <cstdlib>
+
+void f1()
+{
+    std::exit(0);
+}
+
+int main()
+{
+    std::set_terminate(f1);
+    typedef int T;
+    typedef std::vector<T> C;
+    C c(1);
+    C::iterator i = c.begin();
+    ++i;
+    assert(i == c.end());
+    ++i;
+    assert(false);
+}
+
+#else
+
+int main()
+{
+}
+
+#endif

test/containers/sequences/vector/db_iterators_8.pass.cpp

@@ -0,0 +1,48 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <vector>
+
+// Dereference non-dereferenceable iterator.
+
+#if _LIBCPP_DEBUG2 >= 1
+
+struct X {};
+
+#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::terminate())
+
+#include <vector>
+#include <cassert>
+#include <iterator>
+#include <exception>
+#include <cstdlib>
+
+void f1()
+{
+    std::exit(0);
+}
+
+int main()
+{
+    std::set_terminate(f1);
+    typedef int T;
+    typedef std::vector<T> C;
+    C c(1);
+    C::iterator i = c.end();
+    T j = *i;
+    assert(false);
+}
+
+#else
+
+int main()
+{
+}
+
+#endif