From: markt <markt@13f79535-47bb-0310-9956-ffa450edef68>
Date: Wed, 24 Dec 2008 15:11:07 +0000 (+0000)
Subject: Add some unit tests for the EL parser based on some recent bugs
X-Git-Url: https://git.internetallee.de/?a=commitdiff_plain;h=e915f5ffce0f4ebda8286fdc0d227e8848e10087;p=tomcat7.0

Add some unit tests for the EL parser based on some recent bugs

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@729318 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/test/org/apache/el/parser/TestELParser.java b/test/org/apache/el/parser/TestELParser.java
new file mode 100644
index 000000000..9ea2c54da
--- /dev/null
+++ b/test/org/apache/el/parser/TestELParser.java
@@ -0,0 +1,57 @@
+/*
+ * 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 org.apache.el.parser;
+
+import javax.el.ValueExpression;
+
+import org.apache.el.ExpressionFactoryImpl;
+import org.apache.jasper.el.ELContextImpl;
+
+import junit.framework.TestCase;
+
+public class TestELParser extends TestCase {
+    
+    public void testBug45511() {
+        // Test cases provided by OP
+        assertEquals("true", evaluateExpression("${empty ('')}"));
+        assertEquals("true", evaluateExpression("${empty('')}"));
+        assertEquals("false", evaluateExpression("${(true) and (false)}"));
+        assertEquals("false", evaluateExpression("${(true)and(false)}"));
+    }
+    
+
+    public void testBug42565() {
+        // Test cases provided by OP
+        assertEquals("false", evaluateExpression("${false?true:false}"));
+    }
+
+
+    public void testMisc() {
+        // From bug 45451 - not a parser bug
+        assertEquals("\\", evaluateExpression("\\\\"));
+    }
+    
+
+    private String evaluateExpression(String expression) {
+        ELContextImpl ctx = new ELContextImpl();
+        ExpressionFactoryImpl exprFactory = new ExpressionFactoryImpl();
+        ValueExpression ve =
+            exprFactory.createValueExpression(ctx, expression, String.class );
+        return (String) ve.getValue(ctx);
+    }
+}