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-rw-r--r--libs/phoenix/test/scope/lambda_tests1.cpp108
1 files changed, 108 insertions, 0 deletions
diff --git a/libs/phoenix/test/scope/lambda_tests1.cpp b/libs/phoenix/test/scope/lambda_tests1.cpp
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+++ b/libs/phoenix/test/scope/lambda_tests1.cpp
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+/*=============================================================================
+ Copyright (c) 2001-2007 Joel de Guzman
+ Copyright (c) 2014 John Fletcher
+
+ Distributed under the Boost Software License, Version 1.0. (See accompanying
+ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+==============================================================================*/
+#include <iostream>
+#include <cmath>
+#include <algorithm>
+#include <vector>
+
+#include <typeinfo>
+
+#include <boost/detail/lightweight_test.hpp>
+#include <boost/phoenix/core.hpp>
+#include <boost/phoenix/operator.hpp>
+#include <boost/phoenix/function.hpp>
+//#include <boost/phoenix/bind.hpp>
+#include <boost/phoenix/scope.hpp>
+
+struct zzz {};
+
+int
+main()
+{
+ using boost::phoenix::lambda;
+ using boost::phoenix::let;
+ using boost::phoenix::ref;
+ using boost::phoenix::val;
+ using boost::phoenix::arg_names::_1;
+ using boost::phoenix::arg_names::_2;
+ using boost::phoenix::local_names::_a;
+ using boost::phoenix::local_names::_b;
+ // using boost::phoenix::placeholders::arg1;
+
+ {
+ int x = 1;
+ int y = lambda[_1]()(x);
+ BOOST_TEST(x == y);
+ }
+
+ {
+ int x = 1, y = 10;
+ BOOST_TEST(
+ (_1 + lambda[_1 + 2])(x)(y) == 1+10+2
+ );
+ BOOST_TEST(
+ (_1 + lambda[-_1])(x)(y) == 1+-10
+ );
+ }
+
+ {
+ int x = 1, y = 10, z = 13;
+ BOOST_TEST(
+ lambda(_a = _1, _b = _2)
+ [
+ _1 + _a + _b
+ ]
+ (x, z)(y) == x + y + z
+ );
+ }
+
+ {
+ int x = 4;
+ int y = 5;
+ lambda(_a = _1)[_a = 555](x)();
+ BOOST_TEST(x == 555);
+ (void)y;
+ }
+
+ {
+ int x = 1;
+ long x2 = 2;
+ short x3 = 3;
+ char const* y = "hello";
+ zzz z;
+
+ BOOST_TEST(lambda[_1](x)(y) == y);
+ BOOST_TEST(lambda(_a = _1)[_a](x)(y) == x);
+ BOOST_TEST(lambda(_a = _1)[lambda[_a]](x)(y)(z) == x);
+ BOOST_TEST(lambda(_a = _1)[lambda[_a + _1]](x)(y)(x) == 2);
+ BOOST_TEST(lambda(_a = _1)[lambda(_b = _1)[_a + _b + _1]](x)(x2)(x3) == 6);
+ }
+
+ {
+ int x = 1, y = 10;
+ BOOST_TEST(
+ (_1 + lambda(_a = _1)[_a + _1 + 2])(x)(y) == 1+1+10+2
+ );
+ }
+
+ {
+ int x = 1, y = 10;
+ BOOST_TEST(
+ (
+ _1 +
+ lambda(_a = _1)
+ [
+ _a + lambda[_a + 2]
+ ]
+ )
+ (x)(y)(y) == 1+1+1+2
+ );
+ }
+
+ return boost::report_errors();
+}