Added test for loading of small model

src/test/java/de/monticore/lang/monticar/generator/cpp/BasicGenerationTest.java

@@ -30,4 +30,15 @@ public class BasicGenerationTest  extends AbstractSymtabTest {
         String restPath = "testing/l0/";
         testFilesAreEqual(files, restPath);
     }
+
+    @Test
+    public void testSampleModel() throws IOException{
+        TaggingResolver symtab = createSymTabAndTaggingResolver("src/test/resources");
+
+        ExpandedComponentInstanceSymbol componentSymbol = symtab.<ExpandedComponentInstanceSymbol>resolve("testing.model", ExpandedComponentInstanceSymbol.KIND).orElse(null);
+        assertNotNull(componentSymbol);
+        GeneratorCPP generatorCPP = new GeneratorCPP();
+        generatorCPP.setGenerationTargetPath("./target/generated-sources-cpp/testing/l0");
+        List<File> files = generatorCPP.generateFiles(componentSymbol, symtab);
+    }
 }

src/test/resources/testing/Model.emam

+package testing;
+component Model {
+   port out Z(0:255)^{640,480} rgba[4];
+
+  instance ModelColor<640,480> modelColor;
+  connect modelColor.red -> rgba[1];
+  connect modelColor.green -> rgba[2];
+  connect modelColor.blue -> rgba[2];
+  connect modelColor.alpha -> rgba[4];
+
+}
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src/test/resources/testing/ModelColor.emam

+package testing;
+component ModelColor<N1 width=1, N1 height=1>{
+ports out Z(0:255)^{width,height} red,
+      out Z(0:255)^{width,height} green,
+      out Z(0:255)^{width,height} blue,
+      out Z(0:255)^{width,height} alpha;
+
+implementation Math {
+      red = zeros(640, 480);
+      green = zeros(640, 480);
+      blue = zeros(640, 480);
+      alpha = zeros(640, 480);
+      //set concrete values here
+  }
+}
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