1 files changed, 40 insertions, 0 deletions
diff --git a/src/boost/libs/qvm/test/minus_q_test.cpp b/src/boost/libs/qvm/test/minus_q_test.cpp
new file mode 100644
index 000000000..845a0bbfa
--- /dev/null
+++ b/src/boost/libs/qvm/test/minus_q_test.cpp
@@ -0,0 +1,40 @@
+//Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
+
+//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 <boost/qvm/quat_operations.hpp>
+#include <boost/qvm/quat.hpp>
+#include "test_qvm_quaternion.hpp"
+#include "gold.hpp"
+
+namespace
+    {
+    template <class T,class U> struct same_type_tester;
+    template <class T> struct same_type_tester<T,T> { };
+    template <class T,class U> void test_same_type( T, U ) { same_type_tester<T,U>(); }
+
+    void
+    test()
+        {
+        using namespace boost::qvm::sfinae;
+        test_qvm::quaternion<Q1> const x(42,1);
+        test_qvm::scalar_multiply_v(x.b,x.a,-1.0f);
+        test_same_type(x,-x);
+            {
+            test_qvm::quaternion<Q1> y=-x;
+            BOOST_QVM_TEST_EQ(x.b,y.a);
+            }
+            {
+            test_qvm::quaternion<Q1> y=-qref(x);
+            BOOST_QVM_TEST_EQ(x.b,y.a);
+            }
+        }
+    }
+
+int
+main()
+    {
+    test();
+    return boost::report_errors();
+    }