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test/org/apache/jasper/compiler/TesterValidator.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 org.apache.jasper.compiler;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import org.apache.tomcat.util.security.Escape;
+
+/**
+ * Performance tests for {@link Validator}.
+ */
+public class TesterValidator {
+
+    private static String[] bug53867TestData = new String[] {
+            "Hello World!",
+            "<meta http-equiv=\"Content-Language\">",
+            "This connection has limited network connectivity.",
+            "Please use this web page & to access file server resources." };
+
+    @Test
+    public void testBug53867() {
+        for (int i = 0; i < 10; i++) {
+            doTestBug53867();
+        }
+    }
+
+    private static void doTestBug53867() {
+        int count = 100000;
+
+        for (int j = 0; j < bug53867TestData.length; j++) {
+            Assert.assertEquals(doTestBug53867OldVersion(bug53867TestData[j]),
+                    Escape.xml(bug53867TestData[j]));
+        }
+
+        for (int i = 0; i < 100; i++) {
+            for (int j = 0; j < bug53867TestData.length; j++) {
+                doTestBug53867OldVersion(bug53867TestData[j]);
+            }
+        }
+        for (int i = 0; i < 100; i++) {
+            for (int j = 0; j < bug53867TestData.length; j++) {
+                Escape.xml(bug53867TestData[j]);
+            }
+        }
+
+        long start = System.currentTimeMillis();
+        for (int i = 0; i < count; i++) {
+            for (int j = 0; j < bug53867TestData.length; j++) {
+                doTestBug53867OldVersion(bug53867TestData[j]);
+            }
+        }
+        System.out.println(
+                "Old escape:" + (System.currentTimeMillis() - start));
+
+        start = System.currentTimeMillis();
+        for (int i = 0; i < count; i++) {
+            for (int j = 0; j < bug53867TestData.length; j++) {
+                Escape.xml(bug53867TestData[j]);
+            }
+        }
+        System.out.println(
+                "New escape:" + (System.currentTimeMillis() - start));
+    }
+
+    private static String doTestBug53867OldVersion(String s) {
+        if (s == null)
+            return null;
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < s.length(); i++) {
+            char c = s.charAt(i);
+            if (c == '<') {
+                sb.append("&lt;");
+            } else if (c == '>') {
+                sb.append("&gt;");
+            } else if (c == '\'') {
+                sb.append("&#039;"); // &apos;
+            } else if (c == '&') {
+                sb.append("&amp;");
+            } else if (c == '"') {
+                sb.append("&#034;"); // &quot;
+            } else {
+                sb.append(c);
+            }
+        }
+        return sb.toString();
+    }
+}