--- /dev/null 2016-09-01 15:38:59.076007815 -0400 +++ new/modules/javafx.graphics/src/test/decora/java/com/sun/scenario/effect/compiler/parser/RelationalExprTest.java 2016-09-11 10:36:42.402137856 -0400 @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2008, 2013, 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. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * 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. + */ + +package com.sun.scenario.effect.compiler.parser; + +import com.sun.scenario.effect.compiler.JSLParser; +import com.sun.scenario.effect.compiler.model.BinaryOpType; +import com.sun.scenario.effect.compiler.model.Type; +import com.sun.scenario.effect.compiler.tree.BinaryExpr; +import org.antlr.runtime.RecognitionException; +import org.junit.Test; + +import static org.junit.Assert.*; + +public class RelationalExprTest extends ParserBase { + + @Test + public void oneLtEq() throws Exception { + BinaryExpr tree = parseTreeFor("foo <= 3"); + assertEquals(tree.getOp(), BinaryOpType.LTEQ); + } + + @Test + public void oneGtEq() throws Exception { + BinaryExpr tree = parseTreeFor("foo >= 3"); + assertEquals(tree.getOp(), BinaryOpType.GTEQ); + } + + @Test + public void oneLt() throws Exception { + BinaryExpr tree = parseTreeFor("foo < 3"); + assertEquals(tree.getOp(), BinaryOpType.LT); + } + + @Test + public void oneGt() throws Exception { + BinaryExpr tree = parseTreeFor("foo > 3"); + assertEquals(tree.getOp(), BinaryOpType.GT); + } + + @Test(expected = RecognitionException.class) + public void notARelationalExpression() throws Exception { + parseTreeFor("foo @ 3"); + } + + private BinaryExpr parseTreeFor(String text) throws RecognitionException { + JSLParser parser = parserOver(text); + parser.getSymbolTable().declareVariable("foo", Type.INT, null); + return (BinaryExpr)parser.relational_expression(); + } +}