init

test/javax/el/TestELProcessor.java

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package javax.el;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestELProcessor {
+
+    @Test
+    public void testDefineBean01() {
+        ELProcessor elp = new ELProcessor();
+        elp.defineBean("bean01", new TesterBean("name01"));
+        Assert.assertEquals("name01", elp.eval("bean01.name"));
+    }
+
+
+    @Test(expected=ELException.class)
+    public void testEval01() {
+        ELProcessor elp = new ELProcessor();
+        elp.eval("${1+1}");
+    }
+
+
+    @Test(expected=ELException.class)
+    public void testEval02() {
+        ELProcessor elp = new ELProcessor();
+        elp.eval("#{1+1}");
+    }
+
+
+    @Test
+    public void testEval03() {
+        ELProcessor elp = new ELProcessor();
+        // Note \ is escaped as \\ in Java source code
+        String result = (String) elp.eval("'\\\\'");
+        Assert.assertEquals("\\", result);
+    }
+
+
+    @Test
+    public void testDefineFunctionMethod01() throws Exception {
+        ELProcessor elp = new ELProcessor();
+        elp.defineFunction("fn", "toBoolean",
+                Boolean.class.getMethod("valueOf", String.class));
+        Assert.assertEquals(Boolean.valueOf(true),
+                elp.eval("fn:toBoolean(true)"));
+    }
+
+
+    @Test
+    public void testDefineFunctionName01() throws Exception {
+        ELProcessor elp = new ELProcessor();
+        // java.lang should be automatically imported so no need for full class
+        // name
+        elp.defineFunction("fn", "toBoolean", "Boolean", "valueOf");
+        Assert.assertEquals(Boolean.valueOf(true),
+                elp.eval("fn:toBoolean(true)"));
+    }
+
+
+    @Test
+    public void testDefineFunctionName02() throws Exception {
+        ELProcessor elp = new ELProcessor();
+        elp.defineFunction("fn", "test", "java.lang.Integer", "Integer valueOf(int)");
+        Assert.assertEquals(Integer.valueOf(1), elp.eval("fn:test(1)"));
+    }
+
+
+    @Test
+    public void testDefineFunctionName03() throws Exception {
+        TesterFunctions.resetCallList();
+        ELProcessor elp = new ELProcessor();
+        elp.defineFunction("fn", "test", "javax.el.TesterFunctions", "void doIt()");
+        elp.eval("fn:test()");
+        Assert.assertEquals("A", TesterFunctions.getCallList());
+    }
+
+
+    @Test
+    public void testDefineFunctionName04() throws Exception {
+        TesterFunctions.resetCallList();
+        ELProcessor elp = new ELProcessor();
+        elp.defineFunction("fn", "test", "javax.el.TesterFunctions", "void doIt(int)");
+        elp.eval("fn:test(5)");
+        Assert.assertEquals("B", TesterFunctions.getCallList());
+    }
+
+
+    @Test
+    public void testDefineFunctionName05() throws Exception {
+        TesterFunctions.resetCallList();
+        ELProcessor elp = new ELProcessor();
+        elp.defineFunction("fn", "test", "javax.el.TesterFunctions", "void doIt(Integer)");
+        elp.eval("fn:test(null)");
+        Assert.assertEquals("C", TesterFunctions.getCallList());
+    }
+
+
+    @Test
+    public void testDefineFunctionName06() throws Exception {
+        TesterFunctions.resetCallList();
+        ELProcessor elp = new ELProcessor();
+        elp.defineFunction("", "", "javax.el.TesterFunctions", "void doIt(int)");
+        elp.eval("doIt(5)");
+        Assert.assertEquals("B", TesterFunctions.getCallList());
+    }
+
+
+    @Test
+    public void testDefineFunctionName07() throws Exception {
+        TesterFunctions.resetCallList();
+        ELProcessor elp = new ELProcessor();
+        elp.defineFunction("fn", "", "javax.el.TesterFunctions", "void doIt(int)");
+        elp.eval("fn:doIt(5)");
+        Assert.assertEquals("B", TesterFunctions.getCallList());
+    }
+
+
+    @Test
+    public void testDefineFunctionName08() throws Exception {
+        TesterFunctions.resetCallList();
+        ELProcessor elp = new ELProcessor();
+        elp.defineFunction("fn", "", "javax.el.TesterFunctions", "void doIt(int[])");
+        elp.eval("fn:doIt([5].stream().toArray())");
+        Assert.assertEquals("D", TesterFunctions.getCallList());
+    }
+
+
+    @Test
+    public void testDefineFunctionName09() throws Exception {
+        TesterFunctions.resetCallList();
+        ELProcessor elp = new ELProcessor();
+        elp.defineFunction("fn", "", "javax.el.TesterFunctions", "void doIt(int[][])");
+        elp.eval("fn:doIt([[5].stream().toArray()].stream().toArray())");
+        Assert.assertEquals("E", TesterFunctions.getCallList());
+    }
+
+
+    @Test
+    public void testDefineFunctionName10() throws Exception {
+        TesterFunctions.resetCallList();
+        ELProcessor elp = new ELProcessor();
+        elp.defineFunction("fn", "test1", "java.lang.Integer", "Integer valueOf(int)");
+        elp.defineFunction("fn", "test2", "javax.el.TesterFunctions", "void doIt(Integer[])");
+        elp.eval("fn:test2([fn:test1(1), fn:test1(2)].stream().toArray())");
+        Assert.assertEquals("F", TesterFunctions.getCallList());
+    }
+
+
+    @Test
+    public void testDefineFunctionName11() throws Exception {
+        TesterFunctions.resetCallList();
+        ELProcessor elp = new ELProcessor();
+        elp.defineFunction("fn", "test1", "java.lang.Integer", "Integer valueOf(int)");
+        elp.defineFunction("fn", "test2", "javax.el.TesterFunctions", "void doIt(Integer[][])");
+        elp.eval("fn:test2([[fn:test1(1), fn:test1(2)].stream().toArray()].stream().toArray())");
+        Assert.assertEquals("G", TesterFunctions.getCallList());
+    }
+
+
+    @Test
+    public void testDefineFunctionName12() throws Exception {
+        TesterFunctions.resetCallList();
+        ELProcessor elp = new ELProcessor();
+        elp.defineFunction("fn", "test", "javax.el.TesterFunctions", "void doIt(long...)");
+        elp.eval("fn:test(1,2)");
+        Assert.assertEquals("H", TesterFunctions.getCallList());
+    }
+
+
+    @Test
+    public void testDefineFunctionName13() throws Exception {
+        TesterFunctions.resetCallList();
+        ELProcessor elp = new ELProcessor();
+        elp.defineFunction("fn", "test", "javax.el.TesterFunctions", "void doIt(Object...)");
+        elp.eval("fn:test(null, null)");
+        Assert.assertEquals("I", TesterFunctions.getCallList());
+    }
+
+
+    @Test
+    public void testPrimitiveArray01() {
+        ELProcessor elp = new ELProcessor();
+        TesterBean bean01= new TesterBean("bean01");
+        elp.defineBean("bean01", bean01);
+        elp.defineBean("bean02", new TesterBean("bean02"));
+
+        Object result = elp.eval("bean02.setValueC(bean01.valueB);bean02.valueC");
+
+        Integer[] resultArray = (Integer[]) result;
+        Assert.assertEquals(bean01.getValueB().length, resultArray.length);
+        for (int i = 0; i < resultArray.length; i++) {
+            Assert.assertEquals(bean01.getValueB()[i], resultArray[i].intValue());
+        }
+    }
+}