Trompeloeil added (#21).

test/CMakeLists.txt

 add_library(Catch INTERFACE)
 target_include_directories(Catch INTERFACE "catch")
 
+add_library(Trompeloeil INTERFACE)
+target_include_directories(Trompeloeil INTERFACE "trompeloeil")
+
 
 add_library(TestMain TestMain.cpp)
-target_link_libraries(TestMain Catch)
+target_link_libraries(TestMain Catch Trompeloeil)
 
 
 function(add_test_suite name)

test/ScopeGuardTest.cpp

 
 #include "scope_guard.h"
 #include <catch.hpp>
+#include <trompeloeil.hpp>
 
-TEST_CASE("deleter called on destruction", "[ScopeGuard]")
+using namespace trompeloeil;
+
+struct CallMock
 {
-    std::size_t calls{0};
+    MAKE_MOCK0(deleter, void());
+};
+
+namespace
+{
+    CallMock m;
 
+    void deleter()
     {
-        auto guard = sr::scope_guard([&calls] { ++calls; });
-        static_cast<void>(guard);
+        m.deleter();
     }
+}
 
-    REQUIRE(calls == 1);
+
+TEST_CASE("deleter called on destruction", "[ScopeGuard]")
+{
+    {
+        REQUIRE_CALL(m, deleter());
+        auto guard = sr::scope_guard(deleter);
+        static_cast<void>(guard);
+    }
 }
 
 TEST_CASE("deleter is not called if released", "[ScopeGuard]")

test/TestMain.cpp

 
 #define CATCH_CONFIG_MAIN
 #include <catch.hpp>
+#include <trompeloeil.hpp>
+
+
+namespace trompeloeil
+{
+    template <>
+    void reporter<specialized>::send(
+            severity s,
+            const char* file,
+            unsigned long line,
+            const char* msg)
+    {
+        std::ostringstream os;
+        if (line) os << file << ':' << line << '\n';
+        os << msg;
+        auto failure = os.str();
+        if (s == severity::fatal)
+        {
+            FAIL(failure);
+        }
+        else
+        {
+            CAPTURE(failure);
+            CHECK(failure.empty());
+        }
+    }
+}

test/trompeloeil/LICENSE_1_0.txt

+Boost Software License - Version 1.0 - August 17th, 2003
+
+Permission is hereby granted, free of charge, to any person or organization
+obtaining a copy of the software and accompanying documentation covered by
+this license (the "Software") to use, reproduce, display, distribute,
+execute, and transmit the Software, and to prepare derivative works of the
+Software, and to permit third-parties to whom the Software is furnished to
+do so, all subject to the following:
+
+The copyright notices in the Software and this entire statement, including
+the above license grant, this restriction and the following disclaimer,
+must be included in all copies of the Software, in whole or in part, and
+all derivative works of the Software, unless such copies or derivative
+works are solely in the form of machine-executable object code generated by
+a source language processor.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.