Added BOOST_TEST_ALL_WITH macro to compare container contents with a predicate

test/Jamfile.v2

@@ -66,6 +66,7 @@ run lightweight_test_test.cpp : : : <exception-handling>off : lightweight_test_t
 
 run lightweight_test_test2.cpp ;
 run lightweight_test_all_eq_test.cpp ;
+run lightweight_test_all_with_test.cpp ;
 
 run-fail lightweight_test_fail.cpp ;
 run-fail lightweight_test_fail2.cpp ;

test/lightweight_test_all_with_test.cpp

@@ -0,0 +1,150 @@
+//
+// Test for BOOST_TEST_ALL_WITH
+//
+// Copyright (c) 2017 Bjorn Reese
+//
+// 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 <cmath>
+#include <functional>
+#include <vector>
+#include <boost/core/lightweight_test.hpp>
+
+int test_vector()
+{
+    int failed_test_cases = 0;
+
+    // Successes
+
+    {
+        std::vector<int> x, y;
+        x.push_back( 1 ); x.push_back( 2 ); x.push_back( 3 ); x.push_back( 4 );
+        y.push_back( 1 ); y.push_back( 2 ); y.push_back( 3 ); y.push_back( 4 );
+        BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), std::equal_to<int>() );
+    }
+
+    {
+        std::vector<int> x, y;
+        x.push_back( 1 ); x.push_back( 2 ); x.push_back( 3 ); x.push_back( 4 );
+        y.push_back( 2 ); y.push_back( 3 ); y.push_back( 4 ); y.push_back( 5 );
+        BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), std::not_equal_to<int>() );
+    }
+
+    {
+        std::vector<int> x, y;
+        x.push_back( 1 ); x.push_back( 2 ); x.push_back( 3 ); x.push_back( 4 );
+        y.push_back( 2 ); y.push_back( 3 ); y.push_back( 4 ); y.push_back( 5 );
+        BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), std::less<int>() );
+    }
+
+    // Failures
+
+    {
+        std::vector<int> x, y;
+        x.push_back( 1 );
+        BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), std::equal_to<int>() );
+        ++failed_test_cases;
+    }
+
+    {
+        std::vector<int> x, y;
+        y.push_back( 1 );
+        BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), std::equal_to<int>() );
+        ++failed_test_cases;
+    }
+
+    {
+        std::vector<int> x, y;
+        x.push_back( 1 ); x.push_back( 2 ); x.push_back( 3 ); x.push_back( 4 );
+        y.push_back( 1 ); y.push_back( 2 ); y.push_back( 3 );
+        BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), std::equal_to<int>() );
+        ++failed_test_cases;
+    }
+
+    {
+        std::vector<int> x, y;
+        x.push_back( 1 ); x.push_back( 2 ); x.push_back( 3 );
+        y.push_back( 1 ); y.push_back( 2 ); y.push_back( 3 ); y.push_back( 4 );
+        BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), std::equal_to<int>() );
+        ++failed_test_cases;
+    }
+
+    {
+        std::vector<int> x, y;
+        x.push_back( 1 ); x.push_back( 2 ); x.push_back( 3 ); x.push_back( 4 );
+        y.push_back( 1 ); y.push_back( 3 ); y.push_back( 2 ); y.push_back( 4 );
+        BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), std::equal_to<int>() );
+        ++failed_test_cases;
+    }
+
+    {
+        std::vector<int> x, y;
+        x.push_back( 1 ); x.push_back( 2 ); x.push_back( 3 ); x.push_back( 4 );
+        y.push_back( 1 ); y.push_back( 3 ); y.push_back( 2 ); y.push_back( 4 );
+        BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), std::less<int>() );
+        ++failed_test_cases;
+    }
+
+    return failed_test_cases;
+}
+
+template <typename T>
+struct with_tolerance
+{
+    with_tolerance(T tolerance) : tolerance(tolerance) {}
+    bool operator()(T lhs, T rhs)
+    {
+        return (std::abs(lhs - rhs) <= tolerance);
+    }
+
+private:
+    T tolerance;
+};
+
+int test_tolerance_predicate()
+{
+    int failed_test_cases = 0;
+
+    // Successes
+
+    {
+        std::vector<double> x, y;
+        x.push_back( 1.0 ); x.push_back( 2.0 ); x.push_back( 3.0 ); x.push_back( 4.0 );
+        y.push_back( 1.0 ); y.push_back( 2.0 ); y.push_back( 3.0 ); y.push_back( 4.0 );
+        BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), with_tolerance<double>(1e-5) );
+    }
+
+    {
+        std::vector<double> x, y;
+        x.push_back( 1.0 ); x.push_back( 1.0 );
+        y.push_back( 1.0 - 1e-6 ); y.push_back( 1.0 + 1e-6 );
+        BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), with_tolerance<double>(1e-5) );
+    }
+
+    // Failures
+
+    {
+        std::vector<double> x, y;
+        x.push_back( 1.0 ); x.push_back( 1.0 );
+        y.push_back( 1.0 - 1e-4 ); y.push_back( 1.0 + 1e-4 );
+        BOOST_TEST_ALL_WITH( x.begin(), x.end(), y.begin(), y.end(), with_tolerance<double>(1e-5) );
+        ++failed_test_cases;
+    }
+
+    return failed_test_cases;
+}
+
+int main()
+{
+    int failed_test_cases = 0;
+
+    failed_test_cases += test_vector();
+    failed_test_cases += test_tolerance_predicate();
+
+    boost::report_errors();
+
+    return boost::detail::test_errors() != failed_test_cases;
+}