Ability to print Shader::Type enum to Debug output.

src/Shader.cpp

@@ -682,4 +682,23 @@ bool Shader::compile() {
     return success;
 }
 
+#ifndef DOXYGEN_GENERATING_OUTPUT
+Debug operator<<(Debug debug, const Shader::Type value) {
+    switch(value) {
+        #define _c(value) case Shader::Type::value: return debug << "Shader::Type::" #value;
+        _c(Vertex)
+        #ifndef MAGNUM_TARGET_GLES
+        _c(TessellationControl)
+        _c(TessellationEvaluation)
+        _c(Geometry)
+        _c(Compute)
+        #endif
+        _c(Fragment)
+        #undef _c
+    }
+
+    return debug << "Shader::Type::(invalid)";
+}
+#endif
+
 }

src/Shader.h

@@ -522,6 +522,9 @@ class MAGNUM_EXPORT Shader: public AbstractObject {
         std::vector<std::string> sources;
 };
 
+/** @debugoperator{Magnum::Shader} */
+Debug MAGNUM_EXPORT operator<<(Debug debug, Shader::Type value);
+
 }
 
 #endif

src/Test/CMakeLists.txt

@@ -35,6 +35,7 @@ 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(SamplerTest SamplerTest.cpp LIBRARIES Magnum)
+corrade_add_test(ShaderTest ShaderTest.cpp LIBRARIES Magnum)
 
 if(BUILD_GL_TESTS)
     corrade_add_test(AbstractObjectGLTest AbstractObjectGLTest.cpp LIBRARIES ${GL_TEST_LIBRARIES})

src/Test/ShaderTest.cpp

@@ -0,0 +1,52 @@
+/*
+    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 "Shader.h"
+
+namespace Magnum { namespace Test {
+
+class ShaderTest: public TestSuite::Tester {
+    public:
+        explicit ShaderTest();
+
+        void debugType();
+};
+
+ShaderTest::ShaderTest() {
+    addTests({&ShaderTest::debugType});
+}
+
+void ShaderTest::debugType() {
+    std::ostringstream out;
+
+    Debug(&out) << Shader::Type::Fragment;
+    CORRADE_COMPARE(out.str(), "Shader::Type::Fragment\n");
+}
+
+}}
+
+CORRADE_TEST_MAIN(Magnum::Test::ShaderTest)