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diff --git a/bundles/org.simantics.graph.compiler/tests/org/simantics/graph/compiler/tests/GraphCompilerTests.java b/bundles/org.simantics.graph.compiler/tests/org/simantics/graph/compiler/tests/GraphCompilerTests.java
new file mode 100644
index 000000000..7c5a07cb2
--- /dev/null
+++ b/bundles/org.simantics.graph.compiler/tests/org/simantics/graph/compiler/tests/GraphCompilerTests.java
@@ -0,0 +1,73 @@
+package org.simantics.graph.compiler.tests;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.ArrayList;
+
+import junit.framework.Assert;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.simantics.graph.compiler.CompilationResult;
+import org.simantics.graph.compiler.ExternalFileLoader;
+import org.simantics.graph.compiler.GraphCompiler;
+import org.simantics.graph.compiler.GraphCompilerPreferences;
+import org.simantics.graph.representation.TransferableGraph1;
+import org.simantics.ltk.ISource;
+import org.simantics.ltk.LocalResourceSource;
+
+public class GraphCompilerTests {
+    
+    @Before
+    public void initialize() {
+        
+    }
+    
+    public CompilationResult compile(String source) throws Exception {
+        ArrayList<ISource> sources = new ArrayList<ISource>();
+        sources.add(new LocalResourceSource(GraphCompilerTests.class, source));
+        ArrayList<TransferableGraph1> dependencies = new ArrayList<TransferableGraph1>();
+        dependencies.add(GraphCompiler.read(GraphCompilerTests.class.getResourceAsStream("graph.tg")));
+        ExternalFileLoader fileLoader = new ExternalFileLoader() {                  
+            @Override
+            public byte[] load(String fileName) throws IOException {
+                throw new FileNotFoundException();
+            }
+        };
+        GraphCompilerPreferences preferences = new GraphCompilerPreferences();
+        preferences.validate = true;
+        return GraphCompiler.compile(
+                "1.0",
+                sources, 
+                dependencies, 
+                fileLoader,
+                preferences);
+    }
+    
+    @Test
+    public void testUndefinedVariable() throws Exception {
+        CompilationResult result = compile("graphs/UndefinedVariable.pgraph");
+        Assert.assertEquals(1, result.getErrors().size());
+    }
+    
+    @Test
+    public void testUndefinedConcept() throws Exception {
+        CompilationResult result = compile("graphs/UndefinedConcept.pgraph");
+        Assert.assertEquals(1, result.getErrors().size());
+    }
+    
+    @Test
+    public void testDomainAndRangeSyntax() throws Exception {
+        CompilationResult result = compile("graphs/DomainAndRangeSyntax.pgraph");
+        Assert.assertEquals(0, result.getErrors().size());
+    }
+    
+    @Test
+    public void testLists() throws Exception {
+        CompilationResult result = compile("graphs/Lists.pgraph");
+        Assert.assertEquals(0, result.getErrors().size());
+        Assert.assertEquals(3 /*InstanceOf*/ + 2 /*Element*/ + 3 /*Next*/, 
+                result.getGraph().statements.length/4);
+        result.getGraph().print();
+    }
+}