package testCases;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import org.antlr.runtime.ANTLRFileStream;
import org.antlr.runtime.CharStream;
import org.antlr.runtime.CommonTokenStream;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import samples.ModelLexer;
import samples.ModelParser;
public class ModelGen {
private final ByteArrayOutputStream errContent = new ByteArrayOutputStream();
@BeforeClass
public static void setUpBeforeClass() throws Exception {
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
}
@Before
public void setUp() throws Exception {
System.setErr(new PrintStream(errContent));
}
@After
public void tearDown() throws Exception {
System.setErr(null);
}
@Test
public void compostieModel() throws org.antlr.runtime.RecognitionException,
IOException {
CharStream input = new ANTLRFileStream(
"src/main/java/samples/CompositeModel.java");
ModelLexer lex = new ModelLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lex);
ModelParser p = new ModelParser(tokens);
p.compilationUnit();
assertTrue(errContent.toString().isEmpty());
}
}