org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/CleanUpTest17.java

/*******************************************************************************
 * Copyright (c) 2016 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.ui.tests.quickfix;

import org.eclipse.core.runtime.CoreException;

import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragment;

import org.eclipse.jdt.internal.corext.fix.CleanUpConstants;

import org.eclipse.jdt.ui.tests.core.Java17ProjectTestSetup;

import junit.framework.Test;
import junit.framework.TestSuite;

public class CleanUpTest17 extends CleanUpTestCase {

	private static final Class<CleanUpTest17> THIS= CleanUpTest17.class;

	public CleanUpTest17(String name) {
		super(name);
	}

	public static Test suite() {
		return setUpTest(new TestSuite(THIS));
	}

	public static Test setUpTest(Test test) {
		return new Java17ProjectTestSetup(test);
	}

	@Override
	protected IJavaProject getProject() {
		return Java17ProjectTestSetup.getProject();
	}

	@Override
	protected IClasspathEntry[] getDefaultClasspath() throws CoreException {
		return Java17ProjectTestSetup.getDefaultClasspath();
	}

	public void testRemoveRedundantTypeArguments1() throws Exception {
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("import java.util.ArrayList;\n");
		buf.append("import java.util.HashMap;\n");
		buf.append("import java.util.List;\n");
		buf.append("import java.util.Map;\n");
		buf.append("public class E {\n");
		buf.append("    void foo() {\n");
		buf.append("        new ArrayList<String>().add(\"a\")\n");
		buf.append("        List<String> a = new ArrayList<String>();\n");
		buf.append("        Map<Integer, String> m = new HashMap<Integer, String>();\n");
		buf.append("    }\n");
		buf.append("}\n");
		ICompilationUnit cu1= pack1.createCompilationUnit("E1.java", buf.toString(), false, null);

		enable(CleanUpConstants.REMOVE_REDUNDANT_TYPE_ARGUMENTS);

		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("import java.util.ArrayList;\n");
		buf.append("import java.util.HashMap;\n");
		buf.append("import java.util.List;\n");
		buf.append("import java.util.Map;\n");
		buf.append("public class E {\n");
		buf.append("    void foo() {\n");
		buf.append("        new ArrayList<String>().add(\"a\")\n");
		buf.append("        List<String> a = new ArrayList<>();\n");
		buf.append("        Map<Integer, String> m = new HashMap<>();\n");
		buf.append("    }\n");
		buf.append("}\n");
		String expected1= buf.toString();

		assertRefactoringResultAsExpected(new ICompilationUnit[] { cu1 }, new String[] { expected1 });
	}

}