diff --git a/src/Renderer.cpp b/src/Renderer.cpp
index df9b41313..7fb8ed7a5 100644
--- a/src/Renderer.cpp
+++ b/src/Renderer.cpp
@@ -233,4 +233,51 @@ Renderer::GraphicsResetStatus Renderer::graphicsResetStatusImplementationRobustn
 }
 #endif
 
+#ifndef DOXYGEN_GENERATING_OUTPUT
+Debug operator<<(Debug debug, const Renderer::Error value) {
+    switch(value) {
+        #define _c(value) case Renderer::Error::value: return debug << "Renderer::Error::" #value;
+        _c(NoError)
+        _c(InvalidEnum)
+        _c(InvalidValue)
+        _c(InvalidOperation)
+        _c(InvalidFramebufferOperation)
+        _c(OutOfMemory)
+        #ifndef MAGNUM_TARGET_GLES3
+        _c(StackUnderflow)
+        _c(StackOverflow)
+        #endif
+        #undef _c
+    }
+
+    return debug << "Renderer::Error::(invalid)";
+}
+
+#ifndef MAGNUM_TARGET_GLES3
+Debug operator<<(Debug debug, const Renderer::ResetNotificationStrategy value) {
+    switch(value) {
+        #define _c(value) case Renderer::ResetNotificationStrategy::value: return debug << "Renderer::ResetNotificationStrategy::" #value;
+        _c(NoResetNotification)
+        _c(LoseContextOnReset)
+        #undef _c
+    }
+
+    return debug << "Renderer::ResetNotificationStrategy::(invalid)";
+}
+
+Debug operator<<(Debug debug, const Renderer::GraphicsResetStatus value) {
+    switch(value) {
+        #define _c(value) case Renderer::GraphicsResetStatus::value: return debug << "Renderer::GraphicsResetStatus::" #value;
+        _c(NoError)
+        _c(GuiltyContextReset)
+        _c(InnocentContextReset)
+        _c(UnknownContextReset)
+        #undef _c
+    }
+
+    return debug << "Renderer::ResetNotificationStrategy::(invalid)";
+}
+#endif
+#endif
+
 }
diff --git a/src/Renderer.h b/src/Renderer.h
index 407c2e323..0053c78a3 100644
--- a/src/Renderer.h
+++ b/src/Renderer.h
@@ -1043,6 +1043,17 @@ class MAGNUM_EXPORT Renderer {
         #endif
 };
 
+/** @debugoperator{Renderer} */
+Debug MAGNUM_EXPORT operator<<(Debug debug, Renderer::Error value);
+
+#ifndef MAGNUM_TARGET_GLES3
+/** @debugoperator{Renderer} */
+Debug MAGNUM_EXPORT operator<<(Debug debug, Renderer::ResetNotificationStrategy value);
+
+/** @debugoperator{Renderer} */
+Debug MAGNUM_EXPORT operator<<(Debug debug, Renderer::GraphicsResetStatus value);
+#endif
+
 }
 
 #endif
diff --git a/src/Test/CMakeLists.txt b/src/Test/CMakeLists.txt
index 78495259d..7e87a603e 100644
--- a/src/Test/CMakeLists.txt
+++ b/src/Test/CMakeLists.txt
@@ -27,6 +27,7 @@ corrade_add_test(AbstractShaderProgramTest AbstractShaderProgramTest.cpp LIBRARI
 corrade_add_test(ArrayTest ArrayTest.cpp)
 corrade_add_test(ColorTest ColorTest.cpp LIBRARIES MagnumMathTestLib)
 corrade_add_test(MeshTest MeshTest.cpp LIBRARIES Magnum)
+corrade_add_test(RendererTest RendererTest.cpp LIBRARIES Magnum)
 corrade_add_test(ResourceManagerTest ResourceManagerTest.cpp LIBRARIES MagnumTestLib)
 corrade_add_test(SwizzleTest SwizzleTest.cpp LIBRARIES MagnumMathTestLib)
 
diff --git a/src/Test/RendererTest.cpp b/src/Test/RendererTest.cpp
new file mode 100644
index 000000000..07a386634
--- /dev/null
+++ b/src/Test/RendererTest.cpp
@@ -0,0 +1,72 @@
+/*
+    This file is part of Magnum.
+
+    Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz>
+
+    Permission is hereby granted, free of charge, to any person obtaining a
+    copy of this software and associated documentation files (the "Software"),
+    to deal in the Software without restriction, including without limitation
+    the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom the
+    Software is furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included
+    in all copies or substantial portions of the Software.
+
+    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 AND NONINFRINGEMENT. IN NO EVENT SHALL
+    THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+    DEALINGS IN THE SOFTWARE.
+*/
+
+#include <sstream>
+#include <TestSuite/Tester.h>
+
+#include "Renderer.h"
+
+namespace Magnum { namespace Test {
+
+class RendererTest: public TestSuite::Tester {
+    public:
+        explicit RendererTest();
+
+        void debugError();
+        #ifndef MAGNUM_TARGET_GLES3
+        void debugResetNotificationStrategy();
+        void debugGraphicsResetStatus();
+        #endif
+};
+
+RendererTest::RendererTest() {
+    addTests({&RendererTest::debugError});
+}
+
+void RendererTest::debugError() {
+    std::ostringstream out;
+
+    Debug(&out) << Renderer::Error::InvalidOperation;
+    CORRADE_COMPARE(out.str(), "Renderer::Error::InvalidOperation\n");
+}
+
+#ifndef MAGNUM_TARGET_GLES3
+void RendererTest::debugResetNotificationStrategy() {
+    std::ostringstream out;
+
+    Debug(&out) << Renderer::ResetNotificationStrategy::LoseContextOnReset;
+    CORRADE_COMPARE(out.str(), "Renderer::ResetNotificationStrategy::LoseContextOnReset\n");
+}
+
+void RendererTest::debugGraphicsResetStatus() {
+    std::ostringstream out;
+
+    Debug(&out) << Renderer::GraphicsResetStatus::GuiltyContextReset;
+    CORRADE_COMPARE(out.str(), "Renderer::GraphicsResetStatus::GuiltyContextReset\n");
+}
+#endif
+
+}}
+
+CORRADE_TEST_MAIN(Magnum::Test::RendererTest)