Add bind_front_md_test

boostorg · Mar 28, 2024 · cd2b408 · cd2b408
1 parent 82d8d2d
commit cd2b408
Show file tree

Hide file tree

Showing 2 changed files with 102 additions and 0 deletions.
diff --git a/test/Jamfile b/test/Jamfile
@@ -56,3 +56,4 @@ run is_nothrow_invocable_test.cpp ;
 run bind_front_fn_test.cpp ;
 run bind_front_obj_test.cpp ;
 run bind_front_mfn_test.cpp ;
+run bind_front_md_test.cpp ;
diff --git a/test/bind_front_md_test.cpp b/test/bind_front_md_test.cpp
@@ -0,0 +1,101 @@
+// Copyright 2024 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/compat/bind_front.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <functional>
+
+struct X
+{
+    int m = -1;
+};
+
+struct Y: public virtual X
+{
+};
+
+int main()
+{
+    {
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, X() )(), -1 );
+    }
+
+    {
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, Y() )(), -1 );
+    }
+
+    {
+        X x;
+
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, x )(), -1 );
+    }
+
+    {
+        X x;
+
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, &x )(), -1 );
+        boost::compat::bind_front( &X::m, &x )() = +1;
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, &x )(), +1 );
+    }
+
+    {
+        X x;
+
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, std::ref(x) )(), -1 );
+        boost::compat::bind_front( &X::m, std::ref(x) )() = +1;
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, std::ref(x) )(), +1 );
+    }
+
+    {
+        X x;
+
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, std::cref(x) )(), -1 );
+    }
+
+    {
+        Y y;
+
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, y )(), -1 );
+    }
+
+    {
+        Y y;
+
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, &y )(), -1 );
+        boost::compat::bind_front( &X::m, &y )() = +1;
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, &y )(), +1 );
+    }
+
+    {
+        Y y;
+
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, std::ref(y) )(), -1 );
+        boost::compat::bind_front( &X::m, std::ref(y) )() = +1;
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, std::ref(y) )(), +1 );
+    }
+
+    {
+        Y y;
+
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, std::cref(y) )(), -1 );
+    }
+
+    {
+        X const x = {};
+
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, x )(), -1 );
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, &x )(), -1 );
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, std::ref(x) )(), -1 );
+    }
+
+    {
+        Y const y = {};
+
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, y )(), -1 );
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, &y )(), -1 );
+        BOOST_TEST_EQ( boost::compat::bind_front( &X::m, std::ref(y) )(), -1 );
+    }
+
+    return boost::report_errors();
+}