framework for selection tests (open declaration)

core/org.eclipse.cdt.core.tests/regression/org/eclipse/cdt/core/tests/RegressionTestSuite.java

@@ -41,6 +41,7 @@ public class RegressionTestSuite extends TestSuite {
 		final RegressionTestSuite suite = new RegressionTestSuite();
 
 		suite.addTest( SearchRegressionTests.suite( false ) );
+		suite.addTest( SelectionRegressionTest.suite( false ) );
 		
 		suite.addTest( new SearchRegressionTests("cleanupProject") ); //$NON-NLS-1$
 		return suite;

core/org.eclipse.cdt.core.tests/regression/org/eclipse/cdt/core/tests/SelectionRegressionTest.java

@@ -0,0 +1,126 @@
+/*******************************************************************************
+ * Copyright (c) 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+
+/*
+ * Created on Nov 1, 2004
+ */
+package org.eclipse.cdt.core.tests;
+
+import java.io.StringWriter;
+import java.io.Writer;
+
+import junit.framework.Test;
+import junit.framework.TestSuite;
+
+import org.eclipse.cdt.core.parser.CodeReader;
+import org.eclipse.cdt.core.parser.IParser;
+import org.eclipse.cdt.core.parser.NullLogService;
+import org.eclipse.cdt.core.parser.ParserFactory;
+import org.eclipse.cdt.core.parser.ParserLanguage;
+import org.eclipse.cdt.core.parser.ParserMode;
+import org.eclipse.cdt.core.parser.ScannerInfo;
+import org.eclipse.cdt.core.parser.IParser.ISelectionParseResult;
+import org.eclipse.cdt.core.parser.ast.IASTNode;
+import org.eclipse.cdt.core.parser.ast.IASTOffsetableNamedElement;
+import org.eclipse.cdt.core.parser.tests.CompleteParseBaseTest.FullParseCallback;
+import org.eclipse.core.resources.IFile;
+
+/**
+ * @author aniefer
+ */
+public class SelectionRegressionTest extends BaseTestFramework {
+
+    public SelectionRegressionTest()
+    {
+        super();
+    }
+    /**
+     * @param name
+     */
+    public SelectionRegressionTest(String name)
+    {
+        super(name);
+    }
+    
+    public static Test suite(){
+        return suite( true );
+    }
+    public static Test suite( boolean cleanup ) {
+        TestSuite suite = new TestSuite("SelectionRegressionTests"); //$NON-NLS-1$
+        suite.addTest( new SelectionRegressionTest("testSimpleOpenDeclaration") ); //$NON-NLS-1$
+                
+        if( cleanup )
+            suite.addTest( new SelectionRegressionTest( "cleanupProject" ) ); //$NON-NLS-1$
+        
+	    return suite;
+    }
+    
+    protected IASTNode getSelection(IFile code, int startOffset, int endOffset) throws Exception {
+		return getSelection( code, startOffset, endOffset, ParserLanguage.CPP );
+	}
+
+	/**
+	 * @param code
+	 * @param offset1
+	 * @param offset2
+	 * @param b
+	 * @return
+	 */
+	protected IASTNode getSelection(IFile file, int startOffset, int endOffset, ParserLanguage language ) throws Exception {
+	    FullParseCallback callback = new FullParseCallback();
+		IParser parser = ParserFactory.createParser(
+							ParserFactory.createScanner(
+									new CodeReader( file.getLocation().toOSString(), file.getContents() ),
+									new ScannerInfo(),
+									ParserMode.SELECTION_PARSE,
+									ParserLanguage.CPP,
+									callback,
+									new NullLogService(), null),
+							callback,
+							ParserMode.SELECTION_PARSE,
+							ParserLanguage.CPP,
+							ParserFactory.createDefaultLogService()
+						);
+		
+		ISelectionParseResult result = parser.parse( startOffset, endOffset );
+
+		return (IASTNode) ( (result != null) ? result.getOffsetableNamedElement() : null );
+	}
+	
+	protected void assertNodeLocation( IASTNode result, IFile file, int offset ) throws Exception {
+	    if( result != null && result instanceof IASTOffsetableNamedElement ){
+	        IASTOffsetableNamedElement el = (IASTOffsetableNamedElement) result;
+	        assertEquals( new String( el.getFilename() ), file.getLocation().toOSString() );
+	        assertEquals( el.getNameOffset(), offset );
+	        return;
+	    }
+	    fail("Node not found at " + file.getLocation().toOSString() + " line " + offset );  //$NON-NLS-1$//$NON-NLS-2$
+	}
+	
+	public void testSimpleOpenDeclaration() throws Exception{
+	    Writer writer = new StringWriter();
+	    writer.write("class A{};           \n"); //$NON-NLS-1$
+	    String h = writer.toString();
+	    IFile header = importFile( "a.h", h ); //$NON-NLS-1$
+	    
+	    writer = new StringWriter();
+	    writer.write( "#include \"a.h\"       \n"); //$NON-NLS-1$
+	    writer.write( "void f(){              \n"); //$NON-NLS-1$
+	    writer.write( "   A a;                \n"); //$NON-NLS-1$
+	    writer.write( "}                      \n"); //$NON-NLS-1$
+	    String source = writer.toString();
+	    IFile cpp = importFile( "a.cpp", source ); //$NON-NLS-1$
+	    
+	    int start = source.indexOf( "A" ); //$NON-NLS-1$
+	    IASTNode node = getSelection( cpp, start, start + 1 );
+	    assertNodeLocation( node, header, h.indexOf("A") ); //$NON-NLS-1$
+	}
+}