Author: reschke
Date: Wed Feb 14 16:00:18 2018
New Revision: 1824255

URL: http://svn.apache.org/viewvc?rev=1824255&view=rev
Log:
OAK-7268: Create charset encoding utility that detects malformed input

(add test coverage)

Added:
    
jackrabbit/oak/trunk/oak-store-document/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UTF8EncoderTest.java
   (with props)

Added: 
jackrabbit/oak/trunk/oak-store-document/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UTF8EncoderTest.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-store-document/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UTF8EncoderTest.java?rev=1824255&view=auto
==============================================================================
--- 
jackrabbit/oak/trunk/oak-store-document/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UTF8EncoderTest.java
 (added)
+++ 
jackrabbit/oak/trunk/oak-store-document/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UTF8EncoderTest.java
 Wed Feb 14 16:00:18 2018
@@ -0,0 +1,92 @@
+/*
+* 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.jackrabbit.oak.plugins.document.util;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.UUID;
+
+import org.junit.Test;
+
+public class UTF8EncoderTest {
+
+    private static char[] SURROGATE_PAIR = Character.toChars(0x1f4a9);
+
+    @Test
+    public void encodeValid() throws IOException {
+
+        // a a-umlaut euro plane-1-char
+        String test = "a \u00E4 \u20ac " + new String(SURROGATE_PAIR);
+
+        byte[] withStringClass = test.getBytes(StandardCharsets.UTF_8);
+        byte[] withUtilsClass = UTF8Encoder.encodeAsByteArray(test);
+        assertArrayEquals(withStringClass, withUtilsClass);
+        assertEquals(test, new String(withUtilsClass, StandardCharsets.UTF_8));
+    }
+
+    @Test
+    public void encodeInValid() {
+
+        // a a-umlaut euro plane-1-char, second char in surrogate pair missing
+        String test = "a \u00E4 \u20ac " + SURROGATE_PAIR[0];
+
+        try {
+            UTF8Encoder.encodeAsByteArray(test);
+            fail("expected encoding to fail");
+        } catch (IOException expected) {
+            // expected
+        }
+    }
+
+    @Test
+    public void encodeMultiThreaded() throws InterruptedException {
+
+        int tc = 20;
+
+        Thread[] threads = new Thread[tc];
+
+        for (int i = 0; i < tc; i++) {
+            threads[i] = new Thread(new Runnable() {
+                @Override
+                public void run() {
+                    // encode and decode 100 random UUID strings
+                    for (int j = 0; j < 100; j++) {
+                        String test = UUID.randomUUID().toString();
+                        String roundtripped = null;
+                        try {
+                            byte[] bytes = UTF8Encoder.encodeAsByteArray(test);
+                            roundtripped = new String(bytes, 
StandardCharsets.UTF_8);
+                        } catch (IOException exignored) {
+                        }
+                        assertEquals(test, roundtripped);
+                    }
+
+                }
+            });
+        }
+        for (int i = 0; i < tc; i++) {
+            threads[i].start();
+        }
+        for (int i = 0; i < tc; i++) {
+            threads[i].join();
+        }
+    }
+}

Propchange: 
jackrabbit/oak/trunk/oak-store-document/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UTF8EncoderTest.java
------------------------------------------------------------------------------
    svn:eol-style = native

Propchange: 
jackrabbit/oak/trunk/oak-store-document/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UTF8EncoderTest.java
------------------------------------------------------------------------------
    svn:executable = *


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