Shaders: test compilation of MeshVisualizer shader.

src/Shaders/Test/CMakeLists.txt

@@ -25,6 +25,7 @@
 if(BUILD_GL_TESTS)
     corrade_add_test(ShadersDistanceFieldVectorTest DistanceFieldVectorTest.cpp LIBRARIES MagnumShaders ${GL_TEST_LIBRARIES})
     corrade_add_test(ShadersFlatTest FlatTest.cpp LIBRARIES MagnumShaders ${GL_TEST_LIBRARIES})
+    corrade_add_test(ShadersMeshVisualizerTest MeshVisualizerTest.cpp LIBRARIES MagnumShaders ${GL_TEST_LIBRARIES})
     corrade_add_test(ShadersVectorTest VectorTest.cpp LIBRARIES MagnumShaders ${GL_TEST_LIBRARIES})
     corrade_add_test(ShadersVertexColorTest VertexColorTest.cpp LIBRARIES MagnumShaders ${GL_TEST_LIBRARIES})
 endif()

src/Shaders/Test/MeshVisualizerTest.cpp

@@ -0,0 +1,71 @@
+/*
+    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 "Context.h"
+#include "Extensions.h"
+#include "Shaders/MeshVisualizer.h"
+#include "Test/AbstractOpenGLTester.h"
+
+namespace Magnum { namespace Shaders { namespace Test {
+
+class MeshVisualizerTest: public Magnum::Test::AbstractOpenGLTester {
+    public:
+        explicit MeshVisualizerTest();
+
+        void compile();
+        void compileWireframeGeometryShader();
+        void compileWireframeNoGeometryShader();
+};
+
+MeshVisualizerTest::MeshVisualizerTest() {
+    addTests({&MeshVisualizerTest::compile,
+              &MeshVisualizerTest::compileWireframeGeometryShader,
+              &MeshVisualizerTest::compileWireframeNoGeometryShader});
+}
+
+void MeshVisualizerTest::compile() {
+    Shaders::MeshVisualizer shader;
+    CORRADE_VERIFY(shader.validate().first);
+}
+
+void MeshVisualizerTest::compileWireframeGeometryShader() {
+    #ifdef MAGNUM_TARGET_GLES
+    CORRADE_SKIP("Geometry shader is not available in OpenGL ES");
+    #else
+    if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::geometry_shader4>())
+        CORRADE_SKIP(Extensions::GL::ARB::geometry_shader4::string() + std::string(" is not supported"));
+
+    Shaders::MeshVisualizer shader(Shaders::MeshVisualizer::Flag::Wireframe);
+    CORRADE_VERIFY(shader.validate().first);
+    #endif
+}
+
+void MeshVisualizerTest::compileWireframeNoGeometryShader() {
+    Shaders::MeshVisualizer shader(Shaders::MeshVisualizer::Flag::Wireframe|Shaders::MeshVisualizer::Flag::NoGeometryShader);
+    CORRADE_VERIFY(shader.validate().first);
+}
+
+}}}
+
+CORRADE_TEST_MAIN(Magnum::Shaders::Test::MeshVisualizerTest)