#5746: Add first unit test case

test/CMakeLists.txt

@@ -33,6 +33,7 @@ add_executable(drtest
                Renderer.cpp
                SelectionAlgorithm.cpp
                Selection.cpp
+               TextureTool.cpp
                Transformation.cpp
                VFS.cpp
                WorldspawnColour.cpp)

test/TextureTool.cpp

@@ -0,0 +1,57 @@
+#include "RadiantTest.h"
+
+#include "imap.h"
+#include "iselectable.h"
+#include "itexturetoolmodel.h"
+#include "iselection.h"
+#include "algorithm/Primitives.h"
+
+namespace test
+{
+
+using TextureToolTest = RadiantTest;
+
+inline std::size_t getTextureToolNodeCount()
+{
+    std::size_t count = 0;
+
+    GlobalTextureToolSceneGraph().foreachNode([&](const textool::INode::Ptr& node)
+    {
+        ++count;
+        return true;
+    });
+
+    return count;
+}
+
+// Checks that changing the regular scene selection will have an effect on the tex tool scene
+TEST_F(TextureToolTest, SceneGraphObservesSelection)
+{
+    auto worldspawn = GlobalMapModule().findOrInsertWorldspawn();
+    auto brush1 = algorithm::createCubicBrush(worldspawn, Vector3(0,0,0), "textures/numbers/1");
+    auto brush2 = algorithm::createCubicBrush(worldspawn, Vector3(0,256,256), "textures/numbers/1");
+
+    // Empty tex tool scenegraph on empty scene selection
+    EXPECT_EQ(GlobalSelectionSystem().countSelected(), 0) << "Non-empty selection at startup";
+    EXPECT_EQ(getTextureToolNodeCount(), 0) << "There shouldn't be any textool nodes when the scene is empty";
+
+    Node_setSelected(brush1, true);
+    EXPECT_EQ(GlobalSelectionSystem().countSelected(), 1) << "1 Brush must be selected";
+
+    // We don't know how many tex tool nodes there are, but it should be more than 0
+    auto nodeCount = getTextureToolNodeCount();
+    EXPECT_GT(nodeCount, 0) << "There should be some tex tool nodes now";
+
+    Node_setSelected(brush2, true);
+    EXPECT_EQ(GlobalSelectionSystem().countSelected(), 2) << "2 Brushes must be selected";
+
+    // Should be even more now
+    auto nodeCount2 = getTextureToolNodeCount();
+    EXPECT_GT(nodeCount2, nodeCount) << "There should be more tex tool nodes now";
+
+    GlobalSelectionSystem().setSelectedAll(false);
+    EXPECT_EQ(GlobalSelectionSystem().countSelected(), 0) << "Non-empty selection at shutdown";
+    EXPECT_EQ(getTextureToolNodeCount(), 0) << "There shouldn't be any textool nodes when the scene is empty";
+}
+
+}

tools/msvc/Tests/Tests.vcxproj

@@ -105,6 +105,7 @@
     <ClCompile Include="..\..\..\test\Renderer.cpp" />
     <ClCompile Include="..\..\..\test\Selection.cpp" />
     <ClCompile Include="..\..\..\test\SelectionAlgorithm.cpp" />
+    <ClCompile Include="..\..\..\test\TextureTool.cpp" />
     <ClCompile Include="..\..\..\test\Transformation.cpp" />
     <ClCompile Include="..\..\..\test\VFS.cpp" />
     <ClCompile Include="..\..\..\test\WorldspawnColour.cpp" />

tools/msvc/Tests/Tests.vcxproj.filters

@@ -47,6 +47,7 @@
     <ClCompile Include="..\..\..\test\math\Matrix3.cpp">
       <Filter>math</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\test\TextureTool.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\..\test\HeadlessOpenGLContext.h" />