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authorJing Yu <jingyu@google.com>2010-07-22 14:03:48 -0700
committerJing Yu <jingyu@google.com>2010-07-22 14:03:48 -0700
commitb094d6c4bf572654a031ecc4afe675154c886dc5 (patch)
tree89394c56b05e13a5413ee60237d65b0214fd98e2 /gcc-4.4.3/libstdc++-v3/testsuite/25_algorithms/binary_search/2.cc
parentdc34721ac3bf7e3c406fba8cfe9d139393345ec5 (diff)
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commit gcc-4.4.3 which is used to build gcc-4.4.3 Android toolchain in master.
The source is based on fsf gcc-4.4.3 and contains local patches which are recorded in gcc-4.4.3/README.google. Change-Id: Id8c6d6927df274ae9749196a1cc24dbd9abc9887
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diff --git a/gcc-4.4.3/libstdc++-v3/testsuite/25_algorithms/binary_search/2.cc b/gcc-4.4.3/libstdc++-v3/testsuite/25_algorithms/binary_search/2.cc
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@@ -0,0 +1,63 @@
+// Copyright (C) 2001, 2007, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+// 25.3.3 [lib.alg.binary.search] Binary search algorithms.
+
+#include <algorithm>
+#include <testsuite_hooks.h>
+
+bool test __attribute__((unused)) = true;
+
+const int A[] = {1, 2, 3, 3, 3, 5, 8};
+const int C[] = {8, 5, 3, 3, 3, 2, 1};
+const int N = sizeof(A) / sizeof(int);
+
+// A comparison, equalivalent to std::greater<int> without the
+// dependency on <functional>.
+struct gt
+{
+ bool
+ operator()(const int& x, const int& y) const
+ { return x > y; }
+};
+
+// 25.3.3.4 binary_search, with and without comparison predicate
+void
+test04()
+{
+ using std::binary_search;
+
+ const int first = A[0];
+ const int last = A[N - 1];
+
+ VERIFY(binary_search(A, A + N, 5));
+ VERIFY(binary_search(A, A + N, first));
+ VERIFY(binary_search(A, A + N, last));
+ VERIFY(!binary_search(A, A + N, 4));
+
+ VERIFY(binary_search(C, C + N, 5, gt()));
+ VERIFY(binary_search(C, C + N, first, gt()));
+ VERIFY(binary_search(C, C + N, last, gt()));
+ VERIFY(!binary_search(C, C + N, 4, gt()));
+}
+
+int
+main()
+{
+ test04();
+ return 0;
+}