Merge pull request #4189 from izeye/base64
* pr/4189: Replace Base64Encoder with Base64Utilspull/4189/merge
commit
ce95e08e6f
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/*
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* Copyright 2012-2015 the original author or 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 org.springframework.boot.devtools.livereload;
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import java.nio.charset.Charset;
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/**
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* Simple Base64 Encoder.
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*
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* @author Phillip Webb
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*/
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final class Base64Encoder {
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private static final Charset UTF_8 = Charset.forName("UTF-8");
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private static final String ALPHABET_CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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+ "abcdefghijklmnopqrstuvwxyz0123456789+/";
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static final byte[] ALPHABET = ALPHABET_CHARS.getBytes(UTF_8);
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private static final byte EQUALS_SIGN = '=';
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private Base64Encoder() {
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}
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public static String encode(String string) {
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return encode(string.getBytes(UTF_8));
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}
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public static String encode(byte[] bytes) {
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byte[] encoded = new byte[bytes.length / 3 * 4 + (bytes.length % 3 == 0 ? 0 : 4)];
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for (int i = 0; i < bytes.length; i += 3) {
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encodeBlock(bytes, i, Math.min((bytes.length - i), 3), encoded, i / 3 * 4);
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}
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return new String(encoded, UTF_8);
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}
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private static void encodeBlock(byte[] src, int srcPos, int blockLen, byte[] dest,
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int destPos) {
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int inBuff = (blockLen > 0 ? ((src[srcPos] << 24) >>> 8) : 0)
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| (blockLen > 1 ? ((src[srcPos + 1] << 24) >>> 16) : 0)
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| (blockLen > 2 ? ((src[srcPos + 2] << 24) >>> 24) : 0);
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for (int i = 0; i < 4; i++) {
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dest[destPos + i] = (i > blockLen ? EQUALS_SIGN
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: ALPHABET[(inBuff >>> (6 * (3 - i))) & 0x3f]);
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}
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}
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}
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@ -1,53 +0,0 @@
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/*
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* Copyright 2012-2015 the original author or 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 org.springframework.boot.devtools.livereload;
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import org.junit.Test;
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import static org.hamcrest.Matchers.equalTo;
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import static org.junit.Assert.assertThat;
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/**
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* Tests for {@link Base64Encoder}.
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*
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* @author Phillip Webb
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*/
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public class Base64EncoderTests {
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private static final String TEXT = "Man is distinguished, not only by his reason, "
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+ "but by this singular passion from other animals, which is a lust of the "
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+ "mind, that by a perseverance of delight in the continued and indefatigable "
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+ "generation of knowledge, exceeds the short vehemence of any carnal pleasure.";
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private static final String ENCODED = "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5I"
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+ "GhpcyByZWFzb24sIGJ1dCBieSB0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbm"
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+ "ltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmF"
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+ "uY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGludWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVy"
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+ "YXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55I"
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+ "GNhcm5hbCBwbGVhc3VyZS4=";
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@Test
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public void encodeText() {
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assertThat(Base64Encoder.encode(TEXT), equalTo(ENCODED));
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assertThat(Base64Encoder.encode("pleasure."), equalTo("cGxlYXN1cmUu"));
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assertThat(Base64Encoder.encode("leasure."), equalTo("bGVhc3VyZS4="));
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assertThat(Base64Encoder.encode("easure."), equalTo("ZWFzdXJlLg=="));
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assertThat(Base64Encoder.encode("asure."), equalTo("YXN1cmUu"));
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assertThat(Base64Encoder.encode("sure."), equalTo("c3VyZS4="));
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}
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}
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@ -1,63 +0,0 @@
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/*
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* Copyright 2012-2015 the original author or 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 org.springframework.boot.test;
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import java.nio.charset.Charset;
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/**
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* Simple Base64 Encoder.
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*
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* @author Phillip Webb
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*/
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final class Base64Encoder {
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private static final Charset UTF_8 = Charset.forName("UTF-8");
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private static final String ALPHABET_CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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+ "abcdefghijklmnopqrstuvwxyz0123456789+/";
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static final byte[] ALPHABET = ALPHABET_CHARS.getBytes(UTF_8);
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private static final byte EQUALS_SIGN = '=';
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private Base64Encoder() {
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}
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public static String encode(String string) {
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return encode(string.getBytes(UTF_8));
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}
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public static String encode(byte[] bytes) {
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byte[] encoded = new byte[bytes.length / 3 * 4 + (bytes.length % 3 == 0 ? 0 : 4)];
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for (int i = 0; i < bytes.length; i += 3) {
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encodeBlock(bytes, i, Math.min((bytes.length - i), 3), encoded, i / 3 * 4);
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}
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return new String(encoded, UTF_8);
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}
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private static void encodeBlock(byte[] src, int srcPos, int blockLen, byte[] dest,
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int destPos) {
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int inBuff = (blockLen > 0 ? ((src[srcPos] << 24) >>> 8) : 0)
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| (blockLen > 1 ? ((src[srcPos + 1] << 24) >>> 16) : 0)
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| (blockLen > 2 ? ((src[srcPos + 2] << 24) >>> 24) : 0);
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for (int i = 0; i < 4; i++) {
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dest[destPos + i] = (i > blockLen ? EQUALS_SIGN
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: ALPHABET[(inBuff >>> (6 * (3 - i))) & 0x3f]);
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}
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}
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}
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@ -1,53 +0,0 @@
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/*
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* Copyright 2012-2015 the original author or 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 org.springframework.boot.test;
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import org.junit.Test;
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import static org.hamcrest.Matchers.equalTo;
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import static org.junit.Assert.assertThat;
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/**
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* Tests for {@link Base64Encoder}.
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*
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* @author Phillip Webb
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*/
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public class Base64EncoderTests {
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private static final String TEXT = "Man is distinguished, not only by his reason, "
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+ "but by this singular passion from other animals, which is a lust of the "
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+ "mind, that by a perseverance of delight in the continued and indefatigable "
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+ "generation of knowledge, exceeds the short vehemence of any carnal pleasure.";
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private static final String ENCODED = "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5I"
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+ "GhpcyByZWFzb24sIGJ1dCBieSB0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbm"
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+ "ltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmF"
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+ "uY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGludWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVy"
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+ "YXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55I"
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+ "GNhcm5hbCBwbGVhc3VyZS4=";
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@Test
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public void encodeText() {
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assertThat(Base64Encoder.encode(TEXT), equalTo(ENCODED));
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assertThat(Base64Encoder.encode("pleasure."), equalTo("cGxlYXN1cmUu"));
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assertThat(Base64Encoder.encode("leasure."), equalTo("bGVhc3VyZS4="));
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assertThat(Base64Encoder.encode("easure."), equalTo("ZWFzdXJlLg=="));
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assertThat(Base64Encoder.encode("asure."), equalTo("YXN1cmUu"));
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assertThat(Base64Encoder.encode("sure."), equalTo("c3VyZS4="));
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}
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}
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