78 lines
2.5 KiB
Java
78 lines
2.5 KiB
Java
/*
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* Copyright (C) 2009 The Guava Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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 com.google.common.escape;
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import com.google.common.annotations.GwtCompatible;
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import com.google.common.collect.ImmutableMap;
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import java.util.Map;
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import junit.framework.TestCase;
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/** @author David Beaumont */
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@GwtCompatible
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public class ArrayBasedEscaperMapTest extends TestCase {
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public void testNullMap() {
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try {
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ArrayBasedEscaperMap.create(null);
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fail("expected exception did not occur");
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} catch (NullPointerException e) {
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// pass
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}
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}
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public void testEmptyMap() {
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Map<Character, String> map = ImmutableMap.of();
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ArrayBasedEscaperMap fem = ArrayBasedEscaperMap.create(map);
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// Non-null array of zero length.
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assertEquals(0, fem.getReplacementArray().length);
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}
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public void testMapLength() {
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Map<Character, String> map =
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ImmutableMap.of(
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'a', "first",
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'z', "last");
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ArrayBasedEscaperMap fem = ArrayBasedEscaperMap.create(map);
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// Array length is highest character value + 1
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assertEquals('z' + 1, fem.getReplacementArray().length);
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}
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public void testMapping() {
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Map<Character, String> map =
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ImmutableMap.of(
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'\0', "zero",
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'a', "first",
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'b', "second",
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'z', "last",
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'\uFFFF', "biggest");
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ArrayBasedEscaperMap fem = ArrayBasedEscaperMap.create(map);
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char[][] replacementArray = fem.getReplacementArray();
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// Array length is highest character value + 1
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assertEquals(65536, replacementArray.length);
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// The final element should always be non null.
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assertNotNull(replacementArray[replacementArray.length - 1]);
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// Exhaustively check all mappings (an int index avoids wrapping).
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for (int n = 0; n < replacementArray.length; ++n) {
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char c = (char) n;
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if (replacementArray[n] != null) {
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assertEquals(map.get(c), new String(replacementArray[n]));
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} else {
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assertFalse(map.containsKey(c));
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}
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}
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}
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}
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