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// SPDX-License-Identifier: BSD-3-Clause
// -*- Java -*-
//
// Copyright (c) 2005, Matthew J. Rutherford <rutherfo@cs.colorado.edu>
// Copyright (c) 2005, University of Colorado at Boulder
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// * Neither the name of the University of Colorado at Boulder nor the
// names of its contributors may be used to endorse or promote
// products derived from this software without specific prior written
// permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
package org.xbill.DNS.utils;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import org.junit.jupiter.api.Test;
class Base64Test {
@Test
void toString_empty() {
byte[] data = new byte[0];
String out = base64.toString(data);
assertEquals("", out);
}
@Test
void toString_basic1() {
byte[] data = {0};
String out = base64.toString(data);
assertEquals("AA==", out);
}
@Test
void toString_basic2() {
byte[] data = {0, 0};
String out = base64.toString(data);
assertEquals("AAA=", out);
}
@Test
void toString_basic3() {
byte[] data = {0, 0, 1};
String out = base64.toString(data);
assertEquals("AAAB", out);
}
@Test
void toString_basic4() {
byte[] data = {(byte) 0xFC, 0, 0};
String out = base64.toString(data);
assertEquals("/AAA", out);
}
@Test
void toString_basic5() {
byte[] data = {(byte) 0xFF, (byte) 0xFF, (byte) 0xFF};
String out = base64.toString(data);
assertEquals("////", out);
}
@Test
void toString_basic6() {
byte[] data = {1, 2, 3, 4, 5, 6, 7, 8, 9};
String out = base64.toString(data);
assertEquals("AQIDBAUGBwgJ", out);
}
@Test
void formatString_empty1() {
String out = base64.formatString(new byte[0], 5, "", false);
assertEquals("", out);
}
@Test
void formatString_shorter() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 13, "", false);
assertEquals("AQIDBAUGBwgJ", out);
}
@Test
void formatString_sameLength() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 12, "", false);
assertEquals("AQIDBAUGBwgJ", out);
}
@Test
void formatString_oneBreak() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 10, "", false);
assertEquals("AQIDBAUGBw\ngJ", out);
}
@Test
void formatString_twoBreaks1() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 5, "", false);
assertEquals("AQIDB\nAUGBw\ngJ", out);
}
@Test
void formatString_twoBreaks2() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 4, "", false);
assertEquals("AQID\nBAUG\nBwgJ", out);
}
@Test
void formatString_shorterWithPrefix() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 13, "!_", false);
assertEquals("!_AQIDBAUGBwgJ", out);
}
@Test
void formatString_sameLengthWithPrefix() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 12, "!_", false);
assertEquals("!_AQIDBAUGBwgJ", out);
}
@Test
void formatString_oneBreakWithPrefix() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 10, "!_", false);
assertEquals("!_AQIDBAUGBw\n!_gJ", out);
}
@Test
void formatString_twoBreaks1WithPrefix() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 5, "!_", false);
assertEquals("!_AQIDB\n!_AUGBw\n!_gJ", out);
}
@Test
void formatString_twoBreaks2WithPrefix() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 4, "!_", false);
assertEquals("!_AQID\n!_BAUG\n!_BwgJ", out);
}
@Test
void formatString_shorterWithPrefixAndClose() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 13, "!_", true);
assertEquals("!_AQIDBAUGBwgJ )", out);
}
@Test
void formatString_sameLengthWithPrefixAndClose() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 12, "!_", true);
assertEquals("!_AQIDBAUGBwgJ )", out);
}
@Test
void formatString_oneBreakWithPrefixAndClose() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 10, "!_", true);
assertEquals("!_AQIDBAUGBw\n!_gJ )", out);
}
@Test
void formatString_twoBreaks1WithPrefixAndClose() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 5, "!_", true);
assertEquals("!_AQIDB\n!_AUGBw\n!_gJ )", out);
}
@Test
void formatString_twoBreaks2WithPrefixAndClose() {
byte[] in = {1, 2, 3, 4, 5, 6, 7, 8, 9}; // "AQIDBAUGBwgJ" (12 chars)
String out = base64.formatString(in, 4, "!_", true);
assertEquals("!_AQID\n!_BAUG\n!_BwgJ )", out);
}
@Test
void fromString_empty1() {
byte[] data = new byte[0];
byte[] out = base64.fromString("");
assertArrayEquals(new byte[0], out);
}
@Test
void fromString_basic1() {
byte[] exp = {0};
byte[] out = base64.fromString("AA==");
assertArrayEquals(exp, out);
}
@Test
void fromString_basic2() {
byte[] exp = {0, 0};
byte[] out = base64.fromString("AAA=");
assertArrayEquals(exp, out);
}
@Test
void fromString_basic3() {
byte[] exp = {0, 0, 1};
byte[] out = base64.fromString("AAAB");
assertArrayEquals(exp, out);
}
@Test
void fromString_basic4() {
byte[] exp = {(byte) 0xFC, 0, 0};
byte[] out = base64.fromString("/AAA");
assertArrayEquals(exp, out);
}
@Test
void fromString_basic5() {
byte[] exp = {(byte) 0xFF, (byte) 0xFF, (byte) 0xFF};
byte[] out = base64.fromString("////");
assertArrayEquals(exp, out);
}
@Test
void fromString_basic6() {
byte[] exp = {1, 2, 3, 4, 5, 6, 7, 8, 9};
byte[] out = base64.fromString("AQIDBAUGBwgJ");
assertArrayEquals(exp, out);
}
@Test
void fromString_invalid1() {
byte[] out = base64.fromString("AAA");
assertNull(out);
}
@Test
void fromString_invalid2() {
byte[] out = base64.fromString("AA");
assertNull(out);
}
@Test
void fromString_invalid3() {
byte[] out = base64.fromString("A");
assertNull(out);
}
@Test
void fromString_invalid4() {
byte[] out = base64.fromString("BB==");
assertNull(out);
}
@Test
void fromString_invalid5() {
byte[] out = base64.fromString("BBB=");
assertNull(out);
}
}