--- /dev/null 2015-04-26 06:51:08.003313989 -0700 +++ new/test/jdk/jshell/InferTypeTest.java 2016-01-22 02:17:17.016191005 -0800 @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @summary Test Type Inference + * @library /tools/lib + * @build KullaTesting TestingInputStream ToolBox Compiler + * @run testng InferTypeTest + */ + +import org.testng.annotations.Test; + +@Test +public class InferTypeTest extends KullaTesting { + + public void testTypeInference() { + assertInferredType("1", "int"); + assertEval("import java.util.*;"); + assertInferredType("new ArrayList()", "ArrayList"); + assertInferredType("null", "Object"); + assertInferredType("1 + ", null); //incomplete + assertInferredType("undef", null); //unresolvable + assertEval("List l1;"); + assertEval("List l2;"); + assertEval("List l3;"); + assertInferredType("l1", "List"); + assertInferredType("l2", "List"); + assertInferredType("l3", "List"); + assertInferredType("l1.get(0)", "String"); + assertInferredType("l2.get(0)", "String"); + assertInferredType("l3.get(0)", "Object"); + } + +}