Java Code Examples for java.util.Base64#getMimeDecoder()

The following examples show how to use java.util.Base64#getMimeDecoder() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DefaultConfigLoader.java    From light-4j with Apache License 2.0 6 votes vote down vote up
/**
 * load config/cert files from light config server
 * @param configPath
 * @param contextRoot
 */
private void loadFiles(String configPath, String contextRoot) {
    //config Server Files Path
    String configServerFilesPath = contextRoot + configPath;
    //get service files and put them in config dir
    Map<String, Object> serviceFiles = getServiceConfigs(configServerFilesPath);
    logger.debug("{} files loaded from config sever.", serviceFiles.size());
    logger.debug("loadFiles: {}", serviceFiles);
    try {
        Path filePath = Paths.get(targetConfigsDirectory);
        if (!Files.exists(filePath)) {
            Files.createDirectories(filePath);
            logger.info("target configs directory created :", targetConfigsDirectory);
        }
        Base64.Decoder decoder = Base64.getMimeDecoder();
        for (String fileName : serviceFiles.keySet()) {
            filePath=Paths.get(targetConfigsDirectory+"/"+fileName);
            Files.write(filePath, decoder.decode(serviceFiles.get(fileName).toString().getBytes()));
        }
    }  catch (IOException e) {
        logger.error("Exception while creating {} dir or creating files there:{}",targetConfigsDirectory, e);
    }
}
 
Example 2
Source File: BasicAuthenticationCredential.java    From tomee with Apache License 2.0 6 votes vote down vote up
private static String decodeHeader(String authorizationHeader) {
    final String basicAuthCharset = "US-ASCII";

    if (null == authorizationHeader) {
        throw new NullPointerException("authorization header");
    }

    if (authorizationHeader.isEmpty()) {
        throw new IllegalArgumentException("authorization header is empty");
    }

    final Base64.Decoder decoder = Base64.getMimeDecoder();
    byte[] decodedBytes = decoder.decode(authorizationHeader);
    try {
        return new String(decodedBytes, basicAuthCharset);
    } catch (UnsupportedEncodingException e) {
        throw new IllegalStateException("Unknown Charset: " + basicAuthCharset, e);
    }
}
 
Example 3
Source File: Base64Test.java    From j2objc with Apache License 2.0 5 votes vote down vote up
/**
 * checks that the specified line length is rounded down to the nearest multiple of 4.
 */
public void testRoundTrip_allBytes_mime_lineLength_isRoundedDown() {
    Decoder decoder = Base64.getMimeDecoder();
    byte[] separator = new byte[] { '\r', '\n' };
    checkRoundTrip_allBytes(Base64.getMimeEncoder(60, separator), decoder,
            wrapLines("\r\n", ALL_BYTE_VALUES_ENCODED, 60));
    checkRoundTrip_allBytes(Base64.getMimeEncoder(63, separator), decoder,
            wrapLines("\r\n", ALL_BYTE_VALUES_ENCODED, 60));
    checkRoundTrip_allBytes(Base64.getMimeEncoder(10, separator), decoder,
            wrapLines("\r\n", ALL_BYTE_VALUES_ENCODED, 8));
}
 
Example 4
Source File: TestBase64.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up
private static void testDecodeIgnoredAfterPadding() throws Throwable {
    for (byte nonBase64 : new byte[] {'#', '(', '!', '\\', '-', '_', '\n', '\r'}) {
        byte[][] src = new byte[][] {
            "A".getBytes("ascii"),
            "AB".getBytes("ascii"),
            "ABC".getBytes("ascii"),
            "ABCD".getBytes("ascii"),
            "ABCDE".getBytes("ascii")
        };
        Base64.Encoder encM = Base64.getMimeEncoder();
        Base64.Decoder decM = Base64.getMimeDecoder();
        Base64.Encoder enc = Base64.getEncoder();
        Base64.Decoder dec = Base64.getDecoder();
        for (int i = 0; i < src.length; i++) {
            // decode(byte[])
            byte[] encoded = encM.encode(src[i]);
            encoded = Arrays.copyOf(encoded, encoded.length + 1);
            encoded[encoded.length - 1] = nonBase64;
            checkEqual(decM.decode(encoded), src[i], "Non-base64 char is not ignored");
            byte[] decoded = new byte[src[i].length];
            decM.decode(encoded, decoded);
            checkEqual(decoded, src[i], "Non-base64 char is not ignored");

            try {
                dec.decode(encoded);
                throw new RuntimeException("No IAE for non-base64 char");
            } catch (IllegalArgumentException iae) {}
        }
    }
}
 
Example 5
Source File: TestBase64Golden.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up
private static void test1() throws Exception {
    byte[] src = new byte[] {
        46, -97, -35, -44, 127, -60, -39, -4, -112, 34, -57, 47, -14, 67,
        40, 18, 90, -59, 68, 112, 23, 121, -91, 94, 35, 49, 104, 17, 30,
        -80, -104, -3, -53, 27, 38, -72, -47, 113, -52, 18, 5, -126 };
    Encoder encoder = Base64.getMimeEncoder(49, new byte[] { 0x7e });
    byte[] encoded = encoder.encode(src);
    Decoder decoder = Base64.getMimeDecoder();
    byte[] decoded = decoder.decode(encoded);
    if (!Objects.deepEquals(src, decoded)) {
        throw new RuntimeException();
    }
}
 
Example 6
Source File: TestBase64.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up
private static void testDecodeIgnoredAfterPadding() throws Throwable {
    for (byte nonBase64 : new byte[] {'#', '(', '!', '\\', '-', '_', '\n', '\r'}) {
        byte[][] src = new byte[][] {
            "A".getBytes("ascii"),
            "AB".getBytes("ascii"),
            "ABC".getBytes("ascii"),
            "ABCD".getBytes("ascii"),
            "ABCDE".getBytes("ascii")
        };
        Base64.Encoder encM = Base64.getMimeEncoder();
        Base64.Decoder decM = Base64.getMimeDecoder();
        Base64.Encoder enc = Base64.getEncoder();
        Base64.Decoder dec = Base64.getDecoder();
        for (int i = 0; i < src.length; i++) {
            // decode(byte[])
            byte[] encoded = encM.encode(src[i]);
            encoded = Arrays.copyOf(encoded, encoded.length + 1);
            encoded[encoded.length - 1] = nonBase64;
            checkEqual(decM.decode(encoded), src[i], "Non-base64 char is not ignored");
            byte[] decoded = new byte[src[i].length];
            decM.decode(encoded, decoded);
            checkEqual(decoded, src[i], "Non-base64 char is not ignored");

            try {
                dec.decode(encoded);
                throw new RuntimeException("No IAE for non-base64 char");
            } catch (IllegalArgumentException iae) {}
        }
    }
}
 
Example 7
Source File: TestBase64.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up
private static void testDecodeIgnoredAfterPadding() throws Throwable {
    for (byte nonBase64 : new byte[] {'#', '(', '!', '\\', '-', '_', '\n', '\r'}) {
        byte[][] src = new byte[][] {
            "A".getBytes("ascii"),
            "AB".getBytes("ascii"),
            "ABC".getBytes("ascii"),
            "ABCD".getBytes("ascii"),
            "ABCDE".getBytes("ascii")
        };
        Base64.Encoder encM = Base64.getMimeEncoder();
        Base64.Decoder decM = Base64.getMimeDecoder();
        Base64.Encoder enc = Base64.getEncoder();
        Base64.Decoder dec = Base64.getDecoder();
        for (int i = 0; i < src.length; i++) {
            // decode(byte[])
            byte[] encoded = encM.encode(src[i]);
            encoded = Arrays.copyOf(encoded, encoded.length + 1);
            encoded[encoded.length - 1] = nonBase64;
            checkEqual(decM.decode(encoded), src[i], "Non-base64 char is not ignored");
            byte[] decoded = new byte[src[i].length];
            decM.decode(encoded, decoded);
            checkEqual(decoded, src[i], "Non-base64 char is not ignored");

            try {
                dec.decode(encoded);
                throw new RuntimeException("No IAE for non-base64 char");
            } catch (IllegalArgumentException iae) {}
        }
    }
}
 
Example 8
Source File: TestBase64Golden.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up
private static void test1() throws Exception {
    byte[] src = new byte[] {
        46, -97, -35, -44, 127, -60, -39, -4, -112, 34, -57, 47, -14, 67,
        40, 18, 90, -59, 68, 112, 23, 121, -91, 94, 35, 49, 104, 17, 30,
        -80, -104, -3, -53, 27, 38, -72, -47, 113, -52, 18, 5, -126 };
    Encoder encoder = Base64.getMimeEncoder(49, new byte[] { 0x7e });
    byte[] encoded = encoder.encode(src);
    Decoder decoder = Base64.getMimeDecoder();
    byte[] decoded = decoder.decode(encoded);
    if (!Objects.deepEquals(src, decoded)) {
        throw new RuntimeException();
    }
}
 
Example 9
Source File: TestBase64Golden.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up
private static void test1() throws Exception {
    byte[] src = new byte[] {
        46, -97, -35, -44, 127, -60, -39, -4, -112, 34, -57, 47, -14, 67,
        40, 18, 90, -59, 68, 112, 23, 121, -91, 94, 35, 49, 104, 17, 30,
        -80, -104, -3, -53, 27, 38, -72, -47, 113, -52, 18, 5, -126 };
    Encoder encoder = Base64.getMimeEncoder(49, new byte[] { 0x7e });
    byte[] encoded = encoder.encode(src);
    Decoder decoder = Base64.getMimeDecoder();
    byte[] decoded = decoder.decode(encoded);
    if (!Objects.deepEquals(src, decoded)) {
        throw new RuntimeException();
    }
}
 
Example 10
Source File: TestBase64.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up
private static void testDecodeIgnoredAfterPadding() throws Throwable {
    for (byte nonBase64 : new byte[] {'#', '(', '!', '\\', '-', '_', '\n', '\r'}) {
        byte[][] src = new byte[][] {
            "A".getBytes("ascii"),
            "AB".getBytes("ascii"),
            "ABC".getBytes("ascii"),
            "ABCD".getBytes("ascii"),
            "ABCDE".getBytes("ascii")
        };
        Base64.Encoder encM = Base64.getMimeEncoder();
        Base64.Decoder decM = Base64.getMimeDecoder();
        Base64.Encoder enc = Base64.getEncoder();
        Base64.Decoder dec = Base64.getDecoder();
        for (int i = 0; i < src.length; i++) {
            // decode(byte[])
            byte[] encoded = encM.encode(src[i]);
            encoded = Arrays.copyOf(encoded, encoded.length + 1);
            encoded[encoded.length - 1] = nonBase64;
            checkEqual(decM.decode(encoded), src[i], "Non-base64 char is not ignored");
            byte[] decoded = new byte[src[i].length];
            decM.decode(encoded, decoded);
            checkEqual(decoded, src[i], "Non-base64 char is not ignored");

            try {
                dec.decode(encoded);
                throw new RuntimeException("No IAE for non-base64 char");
            } catch (IllegalArgumentException iae) {}
        }
    }
}
 
Example 11
Source File: TestBase64.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up
private static void testDecodeIgnoredAfterPadding() throws Throwable {
    for (byte nonBase64 : new byte[] {'#', '(', '!', '\\', '-', '_', '\n', '\r'}) {
        byte[][] src = new byte[][] {
            "A".getBytes("ascii"),
            "AB".getBytes("ascii"),
            "ABC".getBytes("ascii"),
            "ABCD".getBytes("ascii"),
            "ABCDE".getBytes("ascii")
        };
        Base64.Encoder encM = Base64.getMimeEncoder();
        Base64.Decoder decM = Base64.getMimeDecoder();
        Base64.Encoder enc = Base64.getEncoder();
        Base64.Decoder dec = Base64.getDecoder();
        for (int i = 0; i < src.length; i++) {
            // decode(byte[])
            byte[] encoded = encM.encode(src[i]);
            encoded = Arrays.copyOf(encoded, encoded.length + 1);
            encoded[encoded.length - 1] = nonBase64;
            checkEqual(decM.decode(encoded), src[i], "Non-base64 char is not ignored");
            byte[] decoded = new byte[src[i].length];
            decM.decode(encoded, decoded);
            checkEqual(decoded, src[i], "Non-base64 char is not ignored");

            try {
                dec.decode(encoded);
                throw new RuntimeException("No IAE for non-base64 char");
            } catch (IllegalArgumentException iae) {}
        }
    }
}
 
Example 12
Source File: TestBase64Golden.java    From jdk8u60 with GNU General Public License v2.0 5 votes vote down vote up
private static void test1() throws Exception {
    byte[] src = new byte[] {
        46, -97, -35, -44, 127, -60, -39, -4, -112, 34, -57, 47, -14, 67,
        40, 18, 90, -59, 68, 112, 23, 121, -91, 94, 35, 49, 104, 17, 30,
        -80, -104, -3, -53, 27, 38, -72, -47, 113, -52, 18, 5, -126 };
    Encoder encoder = Base64.getMimeEncoder(49, new byte[] { 0x7e });
    byte[] encoded = encoder.encode(src);
    Decoder decoder = Base64.getMimeDecoder();
    byte[] decoded = decoder.decode(encoded);
    if (!Objects.deepEquals(src, decoded)) {
        throw new RuntimeException();
    }
}
 
Example 13
Source File: TestBase64Golden.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up
private static void test1() throws Exception {
    byte[] src = new byte[] {
        46, -97, -35, -44, 127, -60, -39, -4, -112, 34, -57, 47, -14, 67,
        40, 18, 90, -59, 68, 112, 23, 121, -91, 94, 35, 49, 104, 17, 30,
        -80, -104, -3, -53, 27, 38, -72, -47, 113, -52, 18, 5, -126 };
    Encoder encoder = Base64.getMimeEncoder(49, new byte[] { 0x7e });
    byte[] encoded = encoder.encode(src);
    Decoder decoder = Base64.getMimeDecoder();
    byte[] decoded = decoder.decode(encoded);
    if (!Objects.deepEquals(src, decoded)) {
        throw new RuntimeException();
    }
}
 
Example 14
Source File: Base64Test.java    From j2objc with Apache License 2.0 5 votes vote down vote up
public void testEncoder_lineLength() throws Exception {
    String in_56 = "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcd";
    String in_57 = in_56 + "e";
    String in_58 = in_56 + "ef";
    String in_59 = in_56 + "efg";
    String in_60 = in_56 + "efgh";
    String in_61 = in_56 + "efghi";

    String prefix = "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXphYmNkZWZnaGlqa2xtbm9wcXJzdHV2d3h5emFi";
    String out_56 = prefix + "Y2Q=";
    String out_57 = prefix + "Y2Rl";
    String out_58 = prefix + "Y2Rl\r\nZg==";
    String out_59 = prefix + "Y2Rl\r\nZmc=";
    String out_60 = prefix + "Y2Rl\r\nZmdo";
    String out_61 = prefix + "Y2Rl\r\nZmdoaQ==";

    Encoder encoder = Base64.getMimeEncoder();
    Decoder decoder = Base64.getMimeDecoder();
    assertEquals("", encodeFromAscii(encoder, decoder, ""));
    assertEquals(out_56, encodeFromAscii(encoder, decoder, in_56));
    assertEquals(out_57, encodeFromAscii(encoder, decoder, in_57));
    assertEquals(out_58, encodeFromAscii(encoder, decoder, in_58));
    assertEquals(out_59, encodeFromAscii(encoder, decoder, in_59));
    assertEquals(out_60, encodeFromAscii(encoder, decoder, in_60));
    assertEquals(out_61, encodeFromAscii(encoder, decoder, in_61));

    encoder = Base64.getUrlEncoder();
    decoder = Base64.getUrlDecoder();
    assertEquals(out_56.replaceAll("\r\n", ""), encodeFromAscii(encoder, decoder, in_56));
    assertEquals(out_57.replaceAll("\r\n", ""), encodeFromAscii(encoder, decoder, in_57));
    assertEquals(out_58.replaceAll("\r\n", ""), encodeFromAscii(encoder, decoder, in_58));
    assertEquals(out_59.replaceAll("\r\n", ""), encodeFromAscii(encoder, decoder, in_59));
    assertEquals(out_60.replaceAll("\r\n", ""), encodeFromAscii(encoder, decoder, in_60));
    assertEquals(out_61.replaceAll("\r\n", ""), encodeFromAscii(encoder, decoder, in_61));
}
 
Example 15
Source File: TestBase64.java    From jdk8u-dev-jdk with GNU General Public License v2.0 5 votes vote down vote up
private static void testDecodeIgnoredAfterPadding() throws Throwable {
    for (byte nonBase64 : new byte[] {'#', '(', '!', '\\', '-', '_', '\n', '\r'}) {
        byte[][] src = new byte[][] {
            "A".getBytes("ascii"),
            "AB".getBytes("ascii"),
            "ABC".getBytes("ascii"),
            "ABCD".getBytes("ascii"),
            "ABCDE".getBytes("ascii")
        };
        Base64.Encoder encM = Base64.getMimeEncoder();
        Base64.Decoder decM = Base64.getMimeDecoder();
        Base64.Encoder enc = Base64.getEncoder();
        Base64.Decoder dec = Base64.getDecoder();
        for (int i = 0; i < src.length; i++) {
            // decode(byte[])
            byte[] encoded = encM.encode(src[i]);
            encoded = Arrays.copyOf(encoded, encoded.length + 1);
            encoded[encoded.length - 1] = nonBase64;
            checkEqual(decM.decode(encoded), src[i], "Non-base64 char is not ignored");
            byte[] decoded = new byte[src[i].length];
            decM.decode(encoded, decoded);
            checkEqual(decoded, src[i], "Non-base64 char is not ignored");

            try {
                dec.decode(encoded);
                throw new RuntimeException("No IAE for non-base64 char");
            } catch (IllegalArgumentException iae) {}
        }
    }
}
 
Example 16
Source File: Base64Test.java    From j2objc with Apache License 2.0 5 votes vote down vote up
/** check a range of possible line lengths */
public void testRoundTrip_allBytes_mime_lineLength() {
    Decoder decoder = Base64.getMimeDecoder();
    byte[] separator = new byte[] { '*' };
    checkRoundTrip_allBytes(Base64.getMimeEncoder(4, separator), decoder,
            wrapLines("*", ALL_BYTE_VALUES_ENCODED, 4));
    checkRoundTrip_allBytes(Base64.getMimeEncoder(8, separator), decoder,
            wrapLines("*", ALL_BYTE_VALUES_ENCODED, 8));
    checkRoundTrip_allBytes(Base64.getMimeEncoder(20, separator), decoder,
            wrapLines("*", ALL_BYTE_VALUES_ENCODED, 20));
    checkRoundTrip_allBytes(Base64.getMimeEncoder(100, separator), decoder,
            wrapLines("*", ALL_BYTE_VALUES_ENCODED, 100));
    checkRoundTrip_allBytes(Base64.getMimeEncoder(Integer.MAX_VALUE & ~3, separator), decoder,
            wrapLines("*", ALL_BYTE_VALUES_ENCODED, Integer.MAX_VALUE & ~3));
}
 
Example 17
Source File: TestBase64.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up
private static void testDecodeIgnoredAfterPadding() throws Throwable {
    for (byte nonBase64 : new byte[] {'#', '(', '!', '\\', '-', '_', '\n', '\r'}) {
        byte[][] src = new byte[][] {
            "A".getBytes("ascii"),
            "AB".getBytes("ascii"),
            "ABC".getBytes("ascii"),
            "ABCD".getBytes("ascii"),
            "ABCDE".getBytes("ascii")
        };
        Base64.Encoder encM = Base64.getMimeEncoder();
        Base64.Decoder decM = Base64.getMimeDecoder();
        Base64.Encoder enc = Base64.getEncoder();
        Base64.Decoder dec = Base64.getDecoder();
        for (int i = 0; i < src.length; i++) {
            // decode(byte[])
            byte[] encoded = encM.encode(src[i]);
            encoded = Arrays.copyOf(encoded, encoded.length + 1);
            encoded[encoded.length - 1] = nonBase64;
            checkEqual(decM.decode(encoded), src[i], "Non-base64 char is not ignored");
            byte[] decoded = new byte[src[i].length];
            decM.decode(encoded, decoded);
            checkEqual(decoded, src[i], "Non-base64 char is not ignored");

            try {
                dec.decode(encoded);
                throw new RuntimeException("No IAE for non-base64 char");
            } catch (IllegalArgumentException iae) {}
        }
    }
}
 
Example 18
Source File: TestBase64Golden.java    From jdk8u-dev-jdk with GNU General Public License v2.0 5 votes vote down vote up
private static void test1() throws Exception {
    byte[] src = new byte[] {
        46, -97, -35, -44, 127, -60, -39, -4, -112, 34, -57, 47, -14, 67,
        40, 18, 90, -59, 68, 112, 23, 121, -91, 94, 35, 49, 104, 17, 30,
        -80, -104, -3, -53, 27, 38, -72, -47, 113, -52, 18, 5, -126 };
    Encoder encoder = Base64.getMimeEncoder(49, new byte[] { 0x7e });
    byte[] encoded = encoder.encode(src);
    Decoder decoder = Base64.getMimeDecoder();
    byte[] decoded = decoder.decode(encoded);
    if (!Objects.deepEquals(src, decoded)) {
        throw new RuntimeException();
    }
}
 
Example 19
Source File: TestBase64.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up
private static void testMalformedPadding() throws Throwable {
    Object[] data = new Object[] {
        "$=#",       "",      0,      // illegal ending unit
        "A",         "",      0,      // dangling single byte
        "A=",        "",      0,
        "A==",       "",      0,
        "QUJDA",     "ABC",   4,
        "QUJDA=",    "ABC",   4,
        "QUJDA==",   "ABC",   4,

        "=",         "",      0,      // unnecessary padding
        "QUJD=",     "ABC",   4,      //"ABC".encode() -> "QUJD"

        "AA=",       "",      0,      // incomplete padding
        "QQ=",       "",      0,
        "QQ=N",      "",      0,      // incorrect padding
        "QQ=?",      "",      0,
        "QUJDQQ=",   "ABC",   4,
        "QUJDQQ=N",  "ABC",   4,
        "QUJDQQ=?",  "ABC",   4,
    };

    Base64.Decoder[] decs = new Base64.Decoder[] {
        Base64.getDecoder(),
        Base64.getUrlDecoder(),
        Base64.getMimeDecoder()
    };

    for (Base64.Decoder dec : decs) {
        for (int i = 0; i < data.length; i += 3) {
            final String srcStr = (String)data[i];
            final byte[] srcBytes = srcStr.getBytes("ASCII");
            final ByteBuffer srcBB = ByteBuffer.wrap(srcBytes);
            byte[] expected = ((String)data[i + 1]).getBytes("ASCII");
            int pos = (Integer)data[i + 2];

            // decode(byte[])
            checkIAE(() -> dec.decode(srcBytes));

            // decode(String)
            checkIAE(() -> dec.decode(srcStr));

            // decode(ByteBuffer)
            checkIAE(() -> dec.decode(srcBB));

            // wrap stream
            checkIOE(new Testable() {
                public void test() throws IOException {
                    try (InputStream is = dec.wrap(new ByteArrayInputStream(srcBytes))) {
                        while (is.read() != -1);
                    }
            }});
        }
    }
}
 
Example 20
Source File: TestBase64.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up
private static void testMalformedPadding() throws Throwable {
    Object[] data = new Object[] {
        "$=#",       "",      0,      // illegal ending unit
        "A",         "",      0,      // dangling single byte
        "A=",        "",      0,
        "A==",       "",      0,
        "QUJDA",     "ABC",   4,
        "QUJDA=",    "ABC",   4,
        "QUJDA==",   "ABC",   4,

        "=",         "",      0,      // unnecessary padding
        "QUJD=",     "ABC",   4,      //"ABC".encode() -> "QUJD"

        "AA=",       "",      0,      // incomplete padding
        "QQ=",       "",      0,
        "QQ=N",      "",      0,      // incorrect padding
        "QQ=?",      "",      0,
        "QUJDQQ=",   "ABC",   4,
        "QUJDQQ=N",  "ABC",   4,
        "QUJDQQ=?",  "ABC",   4,
    };

    Base64.Decoder[] decs = new Base64.Decoder[] {
        Base64.getDecoder(),
        Base64.getUrlDecoder(),
        Base64.getMimeDecoder()
    };

    for (Base64.Decoder dec : decs) {
        for (int i = 0; i < data.length; i += 3) {
            final String srcStr = (String)data[i];
            final byte[] srcBytes = srcStr.getBytes("ASCII");
            final ByteBuffer srcBB = ByteBuffer.wrap(srcBytes);
            byte[] expected = ((String)data[i + 1]).getBytes("ASCII");
            int pos = (Integer)data[i + 2];

            // decode(byte[])
            checkIAE(() -> dec.decode(srcBytes));

            // decode(String)
            checkIAE(() -> dec.decode(srcStr));

            // decode(ByteBuffer)
            checkIAE(() -> dec.decode(srcBB));

            // wrap stream
            checkIOE(new Testable() {
                public void test() throws IOException {
                    try (InputStream is = dec.wrap(new ByteArrayInputStream(srcBytes))) {
                        while (is.read() != -1);
                    }
            }});
        }
    }
}