| 1 | // bll_and_function.cpp - The Boost Lambda Library ----------------------- |
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| 2 | // |
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| 3 | // Copyright (C) 2000-2003 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi) |
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| 4 | // Copyright (C) 2000-2003 Gary Powell (powellg@amazon.com) |
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| 5 | // |
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| 6 | // Distributed under the Boost Software License, Version 1.0. (See |
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| 7 | // accompanying file LICENSE_1_0.txt or copy at |
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| 8 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 9 | // |
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| 10 | // For more information, see www.boost.org |
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| 11 | |
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| 12 | // test using BLL and boost::function |
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| 13 | |
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| 14 | #include <boost/core/lightweight_test.hpp> |
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| 15 | #define BOOST_CHECK BOOST_TEST |
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| 16 | |
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| 17 | #include "boost/lambda/lambda.hpp" |
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| 18 | #include "boost/lambda/bind.hpp" |
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| 19 | #include "boost/lambda/algorithm.hpp" |
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| 20 | |
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| 21 | #include <vector> |
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| 22 | #include <map> |
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| 23 | #include <set> |
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| 24 | #include <string> |
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| 25 | |
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| 26 | #include <iostream> |
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| 27 | |
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| 28 | |
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| 29 | |
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| 30 | void test_foreach() { |
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| 31 | using namespace boost::lambda; |
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| 32 | |
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| 33 | int a[10][20]; |
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| 34 | int sum = 0; |
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| 35 | |
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| 36 | std::for_each(first: a, last: a + 10, |
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| 37 | f: bind(a1: ll::for_each(), a2: _1, a3: _1 + 20, |
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| 38 | a4: protect(a1: (_1 = var(t&: sum), ++var(t&: sum))))); |
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| 39 | |
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| 40 | sum = 0; |
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| 41 | std::for_each(first: a, last: a + 10, |
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| 42 | f: bind(a1: ll::for_each(), a2: _1, a3: _1 + 20, |
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| 43 | a4: protect(a1: (sum += _1)))); |
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| 44 | |
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| 45 | BOOST_CHECK(sum == (199 + 1)/ 2 * 199); |
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| 46 | } |
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| 47 | |
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| 48 | // More tests needed (for all algorithms) |
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| 49 | |
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| 50 | int main() { |
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| 51 | |
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| 52 | test_foreach(); |
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| 53 | |
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| 54 | return boost::report_errors(); |
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| 55 | } |
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| 56 | |
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