122 lines
3.9 KiB
Java
122 lines
3.9 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package javax.el;
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import java.lang.reflect.Method;
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import java.util.HashMap;
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import java.util.Map;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.Test;
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public class TestBeanELResolverVarargsInvocation {
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public static class Foo {
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public String joinDelimited(String delim, String... strings) {
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StringBuilder result = new StringBuilder();
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if (strings != null) {
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for (String s : strings) {
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if (delim != null && result.length() > 0) {
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result.append(delim);
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}
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result.append(s);
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}
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}
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return result.toString();
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}
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public String join(String... strings) {
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return joinDelimited(null, strings);
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}
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}
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private Foo foo;
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private ELContext elContext;
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private BeanELResolver beanELResolver;
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@Before
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public void setup() {
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foo = new Foo();
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beanELResolver = new BeanELResolver();
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elContext = new ELContext() {
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private VariableMapper variableMapper = new VariableMapper() {
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private Map<String, ValueExpression> vars = new HashMap<>();
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@Override
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public ValueExpression setVariable(String arg0,
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ValueExpression arg1) {
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if (arg1 == null) {
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return vars.remove(arg0);
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} else {
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return vars.put(arg0, arg1);
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}
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}
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@Override
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public ValueExpression resolveVariable(String arg0) {
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return vars.get(arg0);
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}
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};
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private FunctionMapper functionMapper = new FunctionMapper() {
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@Override
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public Method resolveFunction(String arg0, String arg1) {
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return null;
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}
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};
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@Override
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public VariableMapper getVariableMapper() {
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return variableMapper;
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}
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@Override
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public FunctionMapper getFunctionMapper() {
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return functionMapper;
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}
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@Override
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public ELResolver getELResolver() {
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return beanELResolver;
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}
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};
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}
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/**
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* Tests varargs that come after an opening argument.
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*/
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@Test
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public void testJoinDelimited() {
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Assert.assertEquals(foo.joinDelimited("-", "foo", "bar", "baz"),
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beanELResolver.invoke(elContext, foo, "joinDelimited", null,
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new Object[] { "-", "foo", "bar", "baz" }));
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}
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/**
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* Tests varargs that constitute a method's only parameters, as well as
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* bogus results due to improper matching of ANY vararg method, and
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* depending on the order in which reflected methods are encountered.
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*/
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@Test
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public void testJoin() {
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Assert.assertEquals(foo.join("foo", "bar", "baz"),
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beanELResolver.invoke(elContext, foo, "join", null,
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new Object[] { "foo", "bar", "baz" }));
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}
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} |