java.io.InputStreamReader#getEncoding ( )源码实例Demo

下面列出了java.io.InputStreamReader#getEncoding ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： dragonwell8_jdk 文件： Encodings.java

static void go(String enc, String str, final byte[] bytes, boolean bidir)
    throws Exception
{
    final Charset charset = Charset.forName(enc);

    /* String(byte[] bs, String enc) */
    if (!(new String(bytes, enc).equals(str)))
        throw new Exception(enc + ": String constructor failed");

    /* String(byte[] bs, Charset charset) */
    if (!(new String(bytes, charset).equals(str)))
        throw new Exception(charset + ": String constructor failed");

    /* String(byte[] bs, int off, int len, Charset charset) */
    String start = str.substring(0, 2);
    String end = str.substring(2);
    if (enc.equals("UTF-16BE") || enc.equals("UTF-16LE")) {
        if (!(new String(bytes, 0, 4, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 4, bytes.length - 4, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    } else if (enc.equals("UTF-16")) {
        if (!(new String(bytes, 0, 6, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
    } else {
        if (!(new String(bytes, 0, 2, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 2, bytes.length - 2, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    }

    /* InputStreamReader */
    ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
    InputStreamReader r = new InputStreamReader(bi, enc);
    String inEnc = r.getEncoding();
    int n = str.length();
    char[] cs = new char[n];
    for (int i = 0; i < n;) {
        int m;
        if ((m = r.read(cs, i, n - i)) < 0)
            throw new Exception(enc + ": EOF on InputStreamReader");
        i += m;
    }
    if (!(new String(cs).equals(str)))
        throw new Exception(enc + ": InputStreamReader failed");

    if (!bidir) {
        System.err.println(enc + " --> " + inEnc);
        return;
    }

    /* String.getBytes(String enc) */
    byte[] bs = str.getBytes(enc);
    if (!equals(bs, bytes))
        throw new Exception(enc + ": String.getBytes failed");

    /* String.getBytes(Charset charset) */
    bs = str.getBytes(charset);
    if (!equals(bs, bytes))
        throw new Exception(charset + ": String.getBytes failed");

    // Calls to String.getBytes(Charset) shouldn't automatically
    // use the cached thread-local encoder.
    if (charset.name().equals("UTF-16BE")) {
        String s = new String(bytes, charset);
        // Replace the thread-local encoder with this one.
        byte[] bb = s.getBytes(Charset.forName("UTF-16LE"));
        if (bytes.length != bb.length) {
            // Incidental test.
            throw new RuntimeException("unequal length: "
                                       + bytes.length + " != "
                                       + bb.length);
        } else {
            boolean diff = false;
            // Expect different byte[] between UTF-16LE and UTF-16BE
            // even though encoder was previously cached by last call
            // to getBytes().
            for (int i = 0; i < bytes.length; i++) {
                if (bytes[i] != bb[i])
                    diff = true;
            }
            if (!diff)
                throw new RuntimeException("byte arrays equal");
        }
    }

    /* OutputStreamWriter */
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(bo, enc);
    String outEnc = w.getEncoding();
    w.write(str);
    w.close();
    bs = bo.toByteArray();
    if (!equals(bs, bytes))
        throw new Exception(enc + ": OutputStreamWriter failed");

    System.err.println(enc + " --> " + inEnc + " / " + outEnc);
}

源代码2 项目： TencentKona-8 文件： Encodings.java

static void go(String enc, String str, final byte[] bytes, boolean bidir)
    throws Exception
{
    final Charset charset = Charset.forName(enc);

    /* String(byte[] bs, String enc) */
    if (!(new String(bytes, enc).equals(str)))
        throw new Exception(enc + ": String constructor failed");

    /* String(byte[] bs, Charset charset) */
    if (!(new String(bytes, charset).equals(str)))
        throw new Exception(charset + ": String constructor failed");

    /* String(byte[] bs, int off, int len, Charset charset) */
    String start = str.substring(0, 2);
    String end = str.substring(2);
    if (enc.equals("UTF-16BE") || enc.equals("UTF-16LE")) {
        if (!(new String(bytes, 0, 4, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 4, bytes.length - 4, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    } else if (enc.equals("UTF-16")) {
        if (!(new String(bytes, 0, 6, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
    } else {
        if (!(new String(bytes, 0, 2, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 2, bytes.length - 2, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    }

    /* InputStreamReader */
    ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
    InputStreamReader r = new InputStreamReader(bi, enc);
    String inEnc = r.getEncoding();
    int n = str.length();
    char[] cs = new char[n];
    for (int i = 0; i < n;) {
        int m;
        if ((m = r.read(cs, i, n - i)) < 0)
            throw new Exception(enc + ": EOF on InputStreamReader");
        i += m;
    }
    if (!(new String(cs).equals(str)))
        throw new Exception(enc + ": InputStreamReader failed");

    if (!bidir) {
        System.err.println(enc + " --> " + inEnc);
        return;
    }

    /* String.getBytes(String enc) */
    byte[] bs = str.getBytes(enc);
    if (!equals(bs, bytes))
        throw new Exception(enc + ": String.getBytes failed");

    /* String.getBytes(Charset charset) */
    bs = str.getBytes(charset);
    if (!equals(bs, bytes))
        throw new Exception(charset + ": String.getBytes failed");

    // Calls to String.getBytes(Charset) shouldn't automatically
    // use the cached thread-local encoder.
    if (charset.name().equals("UTF-16BE")) {
        String s = new String(bytes, charset);
        // Replace the thread-local encoder with this one.
        byte[] bb = s.getBytes(Charset.forName("UTF-16LE"));
        if (bytes.length != bb.length) {
            // Incidental test.
            throw new RuntimeException("unequal length: "
                                       + bytes.length + " != "
                                       + bb.length);
        } else {
            boolean diff = false;
            // Expect different byte[] between UTF-16LE and UTF-16BE
            // even though encoder was previously cached by last call
            // to getBytes().
            for (int i = 0; i < bytes.length; i++) {
                if (bytes[i] != bb[i])
                    diff = true;
            }
            if (!diff)
                throw new RuntimeException("byte arrays equal");
        }
    }

    /* OutputStreamWriter */
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(bo, enc);
    String outEnc = w.getEncoding();
    w.write(str);
    w.close();
    bs = bo.toByteArray();
    if (!equals(bs, bytes))
        throw new Exception(enc + ": OutputStreamWriter failed");

    System.err.println(enc + " --> " + inEnc + " / " + outEnc);
}

源代码3 项目： native-obfuscator 文件： Encodings.java

static void go(String enc, String str, final byte[] bytes, boolean bidir)
    throws Exception
{
    final Charset charset = Charset.forName(enc);

    /* String(byte[] bs, String enc) */
    if (!(new String(bytes, enc).equals(str)))
        throw new Exception(enc + ": String constructor failed");

    /* String(byte[] bs, Charset charset) */
    if (!(new String(bytes, charset).equals(str)))
        throw new Exception(charset + ": String constructor failed");

    /* String(byte[] bs, int off, int len, Charset charset) */
    String start = str.substring(0, 2);
    String end = str.substring(2);
    if (enc.equals("UTF-16BE") || enc.equals("UTF-16LE")) {
        if (!(new String(bytes, 0, 4, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 4, bytes.length - 4, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    } else if (enc.equals("UTF-16")) {
        if (!(new String(bytes, 0, 6, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
    } else {
        if (!(new String(bytes, 0, 2, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 2, bytes.length - 2, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    }

    /* InputStreamReader */
    ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
    InputStreamReader r = new InputStreamReader(bi, enc);
    String inEnc = r.getEncoding();
    int n = str.length();
    char[] cs = new char[n];
    for (int i = 0; i < n;) {
        int m;
        if ((m = r.read(cs, i, n - i)) < 0)
            throw new Exception(enc + ": EOF on InputStreamReader");
        i += m;
    }
    if (!(new String(cs).equals(str)))
        throw new Exception(enc + ": InputStreamReader failed");

    if (!bidir) {
        System.err.println(enc + " --> " + inEnc);
        return;
    }

    /* String.getBytes(String enc) */
    byte[] bs = str.getBytes(enc);
    if (!equals(bs, bytes))
        throw new Exception(enc + ": String.getBytes failed");

    /* String.getBytes(Charset charset) */
    bs = str.getBytes(charset);
    if (!equals(bs, bytes))
        throw new Exception(charset + ": String.getBytes failed");

    // Calls to String.getBytes(Charset) shouldn't automatically
    // use the cached thread-local encoder.
    if (charset.name().equals("UTF-16BE")) {
        String s = new String(bytes, charset);
        // Replace the thread-local encoder with this one.
        byte[] bb = s.getBytes(Charset.forName("UTF-16LE"));
        if (bytes.length != bb.length) {
            // Incidental test.
            throw new RuntimeException("unequal length: "
                                       + bytes.length + " != "
                                       + bb.length);
        } else {
            boolean diff = false;
            // Expect different byte[] between UTF-16LE and UTF-16BE
            // even though encoder was previously cached by last call
            // to getBytes().
            for (int i = 0; i < bytes.length; i++) {
                if (bytes[i] != bb[i])
                    diff = true;
            }
            if (!diff)
                throw new RuntimeException("byte arrays equal");
        }
    }

    /* OutputStreamWriter */
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(bo, enc);
    String outEnc = w.getEncoding();
    w.write(str);
    w.close();
    bs = bo.toByteArray();
    if (!equals(bs, bytes))
        throw new Exception(enc + ": OutputStreamWriter failed");

    System.err.println(enc + " --> " + inEnc + " / " + outEnc);
}

源代码4 项目： jdk8u60 文件： Encodings.java

static void go(String enc, String str, final byte[] bytes, boolean bidir)
    throws Exception
{
    final Charset charset = Charset.forName(enc);

    /* String(byte[] bs, String enc) */
    if (!(new String(bytes, enc).equals(str)))
        throw new Exception(enc + ": String constructor failed");

    /* String(byte[] bs, Charset charset) */
    if (!(new String(bytes, charset).equals(str)))
        throw new Exception(charset + ": String constructor failed");

    /* String(byte[] bs, int off, int len, Charset charset) */
    String start = str.substring(0, 2);
    String end = str.substring(2);
    if (enc.equals("UTF-16BE") || enc.equals("UTF-16LE")) {
        if (!(new String(bytes, 0, 4, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 4, bytes.length - 4, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    } else if (enc.equals("UTF-16")) {
        if (!(new String(bytes, 0, 6, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
    } else {
        if (!(new String(bytes, 0, 2, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 2, bytes.length - 2, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    }

    /* InputStreamReader */
    ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
    InputStreamReader r = new InputStreamReader(bi, enc);
    String inEnc = r.getEncoding();
    int n = str.length();
    char[] cs = new char[n];
    for (int i = 0; i < n;) {
        int m;
        if ((m = r.read(cs, i, n - i)) < 0)
            throw new Exception(enc + ": EOF on InputStreamReader");
        i += m;
    }
    if (!(new String(cs).equals(str)))
        throw new Exception(enc + ": InputStreamReader failed");

    if (!bidir) {
        System.err.println(enc + " --> " + inEnc);
        return;
    }

    /* String.getBytes(String enc) */
    byte[] bs = str.getBytes(enc);
    if (!equals(bs, bytes))
        throw new Exception(enc + ": String.getBytes failed");

    /* String.getBytes(Charset charset) */
    bs = str.getBytes(charset);
    if (!equals(bs, bytes))
        throw new Exception(charset + ": String.getBytes failed");

    // Calls to String.getBytes(Charset) shouldn't automatically
    // use the cached thread-local encoder.
    if (charset.name().equals("UTF-16BE")) {
        String s = new String(bytes, charset);
        // Replace the thread-local encoder with this one.
        byte[] bb = s.getBytes(Charset.forName("UTF-16LE"));
        if (bytes.length != bb.length) {
            // Incidental test.
            throw new RuntimeException("unequal length: "
                                       + bytes.length + " != "
                                       + bb.length);
        } else {
            boolean diff = false;
            // Expect different byte[] between UTF-16LE and UTF-16BE
            // even though encoder was previously cached by last call
            // to getBytes().
            for (int i = 0; i < bytes.length; i++) {
                if (bytes[i] != bb[i])
                    diff = true;
            }
            if (!diff)
                throw new RuntimeException("byte arrays equal");
        }
    }

    /* OutputStreamWriter */
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(bo, enc);
    String outEnc = w.getEncoding();
    w.write(str);
    w.close();
    bs = bo.toByteArray();
    if (!equals(bs, bytes))
        throw new Exception(enc + ": OutputStreamWriter failed");

    System.err.println(enc + " --> " + inEnc + " / " + outEnc);
}

源代码5 项目： openjdk-jdk8u 文件： Encodings.java

static void go(String enc, String str, final byte[] bytes, boolean bidir)
    throws Exception
{
    final Charset charset = Charset.forName(enc);

    /* String(byte[] bs, String enc) */
    if (!(new String(bytes, enc).equals(str)))
        throw new Exception(enc + ": String constructor failed");

    /* String(byte[] bs, Charset charset) */
    if (!(new String(bytes, charset).equals(str)))
        throw new Exception(charset + ": String constructor failed");

    /* String(byte[] bs, int off, int len, Charset charset) */
    String start = str.substring(0, 2);
    String end = str.substring(2);
    if (enc.equals("UTF-16BE") || enc.equals("UTF-16LE")) {
        if (!(new String(bytes, 0, 4, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 4, bytes.length - 4, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    } else if (enc.equals("UTF-16")) {
        if (!(new String(bytes, 0, 6, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
    } else {
        if (!(new String(bytes, 0, 2, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 2, bytes.length - 2, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    }

    /* InputStreamReader */
    ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
    InputStreamReader r = new InputStreamReader(bi, enc);
    String inEnc = r.getEncoding();
    int n = str.length();
    char[] cs = new char[n];
    for (int i = 0; i < n;) {
        int m;
        if ((m = r.read(cs, i, n - i)) < 0)
            throw new Exception(enc + ": EOF on InputStreamReader");
        i += m;
    }
    if (!(new String(cs).equals(str)))
        throw new Exception(enc + ": InputStreamReader failed");

    if (!bidir) {
        System.err.println(enc + " --> " + inEnc);
        return;
    }

    /* String.getBytes(String enc) */
    byte[] bs = str.getBytes(enc);
    if (!equals(bs, bytes))
        throw new Exception(enc + ": String.getBytes failed");

    /* String.getBytes(Charset charset) */
    bs = str.getBytes(charset);
    if (!equals(bs, bytes))
        throw new Exception(charset + ": String.getBytes failed");

    // Calls to String.getBytes(Charset) shouldn't automatically
    // use the cached thread-local encoder.
    if (charset.name().equals("UTF-16BE")) {
        String s = new String(bytes, charset);
        // Replace the thread-local encoder with this one.
        byte[] bb = s.getBytes(Charset.forName("UTF-16LE"));
        if (bytes.length != bb.length) {
            // Incidental test.
            throw new RuntimeException("unequal length: "
                                       + bytes.length + " != "
                                       + bb.length);
        } else {
            boolean diff = false;
            // Expect different byte[] between UTF-16LE and UTF-16BE
            // even though encoder was previously cached by last call
            // to getBytes().
            for (int i = 0; i < bytes.length; i++) {
                if (bytes[i] != bb[i])
                    diff = true;
            }
            if (!diff)
                throw new RuntimeException("byte arrays equal");
        }
    }

    /* OutputStreamWriter */
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(bo, enc);
    String outEnc = w.getEncoding();
    w.write(str);
    w.close();
    bs = bo.toByteArray();
    if (!equals(bs, bytes))
        throw new Exception(enc + ": OutputStreamWriter failed");

    System.err.println(enc + " --> " + inEnc + " / " + outEnc);
}

源代码6 项目： openjdk-jdk8u-backup 文件： Encodings.java

static void go(String enc, String str, final byte[] bytes, boolean bidir)
    throws Exception
{
    final Charset charset = Charset.forName(enc);

    /* String(byte[] bs, String enc) */
    if (!(new String(bytes, enc).equals(str)))
        throw new Exception(enc + ": String constructor failed");

    /* String(byte[] bs, Charset charset) */
    if (!(new String(bytes, charset).equals(str)))
        throw new Exception(charset + ": String constructor failed");

    /* String(byte[] bs, int off, int len, Charset charset) */
    String start = str.substring(0, 2);
    String end = str.substring(2);
    if (enc.equals("UTF-16BE") || enc.equals("UTF-16LE")) {
        if (!(new String(bytes, 0, 4, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 4, bytes.length - 4, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    } else if (enc.equals("UTF-16")) {
        if (!(new String(bytes, 0, 6, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
    } else {
        if (!(new String(bytes, 0, 2, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 2, bytes.length - 2, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    }

    /* InputStreamReader */
    ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
    InputStreamReader r = new InputStreamReader(bi, enc);
    String inEnc = r.getEncoding();
    int n = str.length();
    char[] cs = new char[n];
    for (int i = 0; i < n;) {
        int m;
        if ((m = r.read(cs, i, n - i)) < 0)
            throw new Exception(enc + ": EOF on InputStreamReader");
        i += m;
    }
    if (!(new String(cs).equals(str)))
        throw new Exception(enc + ": InputStreamReader failed");

    if (!bidir) {
        System.err.println(enc + " --> " + inEnc);
        return;
    }

    /* String.getBytes(String enc) */
    byte[] bs = str.getBytes(enc);
    if (!equals(bs, bytes))
        throw new Exception(enc + ": String.getBytes failed");

    /* String.getBytes(Charset charset) */
    bs = str.getBytes(charset);
    if (!equals(bs, bytes))
        throw new Exception(charset + ": String.getBytes failed");

    // Calls to String.getBytes(Charset) shouldn't automatically
    // use the cached thread-local encoder.
    if (charset.name().equals("UTF-16BE")) {
        String s = new String(bytes, charset);
        // Replace the thread-local encoder with this one.
        byte[] bb = s.getBytes(Charset.forName("UTF-16LE"));
        if (bytes.length != bb.length) {
            // Incidental test.
            throw new RuntimeException("unequal length: "
                                       + bytes.length + " != "
                                       + bb.length);
        } else {
            boolean diff = false;
            // Expect different byte[] between UTF-16LE and UTF-16BE
            // even though encoder was previously cached by last call
            // to getBytes().
            for (int i = 0; i < bytes.length; i++) {
                if (bytes[i] != bb[i])
                    diff = true;
            }
            if (!diff)
                throw new RuntimeException("byte arrays equal");
        }
    }

    /* OutputStreamWriter */
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(bo, enc);
    String outEnc = w.getEncoding();
    w.write(str);
    w.close();
    bs = bo.toByteArray();
    if (!equals(bs, bytes))
        throw new Exception(enc + ": OutputStreamWriter failed");

    System.err.println(enc + " --> " + inEnc + " / " + outEnc);
}

源代码7 项目： openjdk-jdk9 文件： Encodings.java

static void go(String enc, String str, final byte[] bytes, boolean bidir)
    throws Exception
{
    final Charset charset = Charset.forName(enc);

    /* String(byte[] bs, String enc) */
    if (!(new String(bytes, enc).equals(str)))
        throw new Exception(enc + ": String constructor failed");

    /* String(byte[] bs, Charset charset) */
    if (!(new String(bytes, charset).equals(str)))
        throw new Exception(charset + ": String constructor failed");

    /* String(byte[] bs, int off, int len, Charset charset) */
    String start = str.substring(0, 2);
    String end = str.substring(2);
    if (enc.equals("UTF-16BE") || enc.equals("UTF-16LE")) {
        if (!(new String(bytes, 0, 4, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 4, bytes.length - 4, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    } else if (enc.equals("UTF-16")) {
        if (!(new String(bytes, 0, 6, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
    } else {
        if (!(new String(bytes, 0, 2, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 2, bytes.length - 2, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    }

    /* InputStreamReader */
    ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
    InputStreamReader r = new InputStreamReader(bi, enc);
    String inEnc = r.getEncoding();
    int n = str.length();
    char[] cs = new char[n];
    for (int i = 0; i < n;) {
        int m;
        if ((m = r.read(cs, i, n - i)) < 0)
            throw new Exception(enc + ": EOF on InputStreamReader");
        i += m;
    }
    if (!(new String(cs).equals(str)))
        throw new Exception(enc + ": InputStreamReader failed");

    if (!bidir) {
        System.err.println(enc + " --> " + inEnc);
        return;
    }

    /* String.getBytes(String enc) */
    byte[] bs = str.getBytes(enc);
    if (!equals(bs, bytes))
        throw new Exception(enc + ": String.getBytes failed");

    /* String.getBytes(Charset charset) */
    bs = str.getBytes(charset);
    if (!equals(bs, bytes))
        throw new Exception(charset + ": String.getBytes failed");

    // Calls to String.getBytes(Charset) shouldn't automatically
    // use the cached thread-local encoder.
    if (charset.name().equals("UTF-16BE")) {
        String s = new String(bytes, charset);
        // Replace the thread-local encoder with this one.
        byte[] bb = s.getBytes(Charset.forName("UTF-16LE"));
        if (bytes.length != bb.length) {
            // Incidental test.
            throw new RuntimeException("unequal length: "
                                       + bytes.length + " != "
                                       + bb.length);
        } else {
            boolean diff = false;
            // Expect different byte[] between UTF-16LE and UTF-16BE
            // even though encoder was previously cached by last call
            // to getBytes().
            for (int i = 0; i < bytes.length; i++) {
                if (bytes[i] != bb[i])
                    diff = true;
            }
            if (!diff)
                throw new RuntimeException("byte arrays equal");
        }
    }

    /* OutputStreamWriter */
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(bo, enc);
    String outEnc = w.getEncoding();
    w.write(str);
    w.close();
    bs = bo.toByteArray();
    if (!equals(bs, bytes))
        throw new Exception(enc + ": OutputStreamWriter failed");

    System.err.println(enc + " --> " + inEnc + " / " + outEnc);
}

源代码8 项目： jdk8u-jdk 文件： Encodings.java

static void go(String enc, String str, final byte[] bytes, boolean bidir)
    throws Exception
{
    final Charset charset = Charset.forName(enc);

    /* String(byte[] bs, String enc) */
    if (!(new String(bytes, enc).equals(str)))
        throw new Exception(enc + ": String constructor failed");

    /* String(byte[] bs, Charset charset) */
    if (!(new String(bytes, charset).equals(str)))
        throw new Exception(charset + ": String constructor failed");

    /* String(byte[] bs, int off, int len, Charset charset) */
    String start = str.substring(0, 2);
    String end = str.substring(2);
    if (enc.equals("UTF-16BE") || enc.equals("UTF-16LE")) {
        if (!(new String(bytes, 0, 4, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 4, bytes.length - 4, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    } else if (enc.equals("UTF-16")) {
        if (!(new String(bytes, 0, 6, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
    } else {
        if (!(new String(bytes, 0, 2, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 2, bytes.length - 2, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    }

    /* InputStreamReader */
    ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
    InputStreamReader r = new InputStreamReader(bi, enc);
    String inEnc = r.getEncoding();
    int n = str.length();
    char[] cs = new char[n];
    for (int i = 0; i < n;) {
        int m;
        if ((m = r.read(cs, i, n - i)) < 0)
            throw new Exception(enc + ": EOF on InputStreamReader");
        i += m;
    }
    if (!(new String(cs).equals(str)))
        throw new Exception(enc + ": InputStreamReader failed");

    if (!bidir) {
        System.err.println(enc + " --> " + inEnc);
        return;
    }

    /* String.getBytes(String enc) */
    byte[] bs = str.getBytes(enc);
    if (!equals(bs, bytes))
        throw new Exception(enc + ": String.getBytes failed");

    /* String.getBytes(Charset charset) */
    bs = str.getBytes(charset);
    if (!equals(bs, bytes))
        throw new Exception(charset + ": String.getBytes failed");

    // Calls to String.getBytes(Charset) shouldn't automatically
    // use the cached thread-local encoder.
    if (charset.name().equals("UTF-16BE")) {
        String s = new String(bytes, charset);
        // Replace the thread-local encoder with this one.
        byte[] bb = s.getBytes(Charset.forName("UTF-16LE"));
        if (bytes.length != bb.length) {
            // Incidental test.
            throw new RuntimeException("unequal length: "
                                       + bytes.length + " != "
                                       + bb.length);
        } else {
            boolean diff = false;
            // Expect different byte[] between UTF-16LE and UTF-16BE
            // even though encoder was previously cached by last call
            // to getBytes().
            for (int i = 0; i < bytes.length; i++) {
                if (bytes[i] != bb[i])
                    diff = true;
            }
            if (!diff)
                throw new RuntimeException("byte arrays equal");
        }
    }

    /* OutputStreamWriter */
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(bo, enc);
    String outEnc = w.getEncoding();
    w.write(str);
    w.close();
    bs = bo.toByteArray();
    if (!equals(bs, bytes))
        throw new Exception(enc + ": OutputStreamWriter failed");

    System.err.println(enc + " --> " + inEnc + " / " + outEnc);
}

源代码9 项目： hottub 文件： Encodings.java

static void go(String enc, String str, final byte[] bytes, boolean bidir)
    throws Exception
{
    final Charset charset = Charset.forName(enc);

    /* String(byte[] bs, String enc) */
    if (!(new String(bytes, enc).equals(str)))
        throw new Exception(enc + ": String constructor failed");

    /* String(byte[] bs, Charset charset) */
    if (!(new String(bytes, charset).equals(str)))
        throw new Exception(charset + ": String constructor failed");

    /* String(byte[] bs, int off, int len, Charset charset) */
    String start = str.substring(0, 2);
    String end = str.substring(2);
    if (enc.equals("UTF-16BE") || enc.equals("UTF-16LE")) {
        if (!(new String(bytes, 0, 4, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 4, bytes.length - 4, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    } else if (enc.equals("UTF-16")) {
        if (!(new String(bytes, 0, 6, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
    } else {
        if (!(new String(bytes, 0, 2, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 2, bytes.length - 2, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    }

    /* InputStreamReader */
    ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
    InputStreamReader r = new InputStreamReader(bi, enc);
    String inEnc = r.getEncoding();
    int n = str.length();
    char[] cs = new char[n];
    for (int i = 0; i < n;) {
        int m;
        if ((m = r.read(cs, i, n - i)) < 0)
            throw new Exception(enc + ": EOF on InputStreamReader");
        i += m;
    }
    if (!(new String(cs).equals(str)))
        throw new Exception(enc + ": InputStreamReader failed");

    if (!bidir) {
        System.err.println(enc + " --> " + inEnc);
        return;
    }

    /* String.getBytes(String enc) */
    byte[] bs = str.getBytes(enc);
    if (!equals(bs, bytes))
        throw new Exception(enc + ": String.getBytes failed");

    /* String.getBytes(Charset charset) */
    bs = str.getBytes(charset);
    if (!equals(bs, bytes))
        throw new Exception(charset + ": String.getBytes failed");

    // Calls to String.getBytes(Charset) shouldn't automatically
    // use the cached thread-local encoder.
    if (charset.name().equals("UTF-16BE")) {
        String s = new String(bytes, charset);
        // Replace the thread-local encoder with this one.
        byte[] bb = s.getBytes(Charset.forName("UTF-16LE"));
        if (bytes.length != bb.length) {
            // Incidental test.
            throw new RuntimeException("unequal length: "
                                       + bytes.length + " != "
                                       + bb.length);
        } else {
            boolean diff = false;
            // Expect different byte[] between UTF-16LE and UTF-16BE
            // even though encoder was previously cached by last call
            // to getBytes().
            for (int i = 0; i < bytes.length; i++) {
                if (bytes[i] != bb[i])
                    diff = true;
            }
            if (!diff)
                throw new RuntimeException("byte arrays equal");
        }
    }

    /* OutputStreamWriter */
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(bo, enc);
    String outEnc = w.getEncoding();
    w.write(str);
    w.close();
    bs = bo.toByteArray();
    if (!equals(bs, bytes))
        throw new Exception(enc + ": OutputStreamWriter failed");

    System.err.println(enc + " --> " + inEnc + " / " + outEnc);
}

源代码10 项目： openjdk-8-source 文件： Encodings.java

static void go(String enc, String str, final byte[] bytes, boolean bidir)
    throws Exception
{
    final Charset charset = Charset.forName(enc);

    /* String(byte[] bs, String enc) */
    if (!(new String(bytes, enc).equals(str)))
        throw new Exception(enc + ": String constructor failed");

    /* String(byte[] bs, Charset charset) */
    if (!(new String(bytes, charset).equals(str)))
        throw new Exception(charset + ": String constructor failed");

    /* String(byte[] bs, int off, int len, Charset charset) */
    String start = str.substring(0, 2);
    String end = str.substring(2);
    if (enc.equals("UTF-16BE") || enc.equals("UTF-16LE")) {
        if (!(new String(bytes, 0, 4, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 4, bytes.length - 4, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    } else if (enc.equals("UTF-16")) {
        if (!(new String(bytes, 0, 6, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
    } else {
        if (!(new String(bytes, 0, 2, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 2, bytes.length - 2, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    }

    /* InputStreamReader */
    ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
    InputStreamReader r = new InputStreamReader(bi, enc);
    String inEnc = r.getEncoding();
    int n = str.length();
    char[] cs = new char[n];
    for (int i = 0; i < n;) {
        int m;
        if ((m = r.read(cs, i, n - i)) < 0)
            throw new Exception(enc + ": EOF on InputStreamReader");
        i += m;
    }
    if (!(new String(cs).equals(str)))
        throw new Exception(enc + ": InputStreamReader failed");

    if (!bidir) {
        System.err.println(enc + " --> " + inEnc);
        return;
    }

    /* String.getBytes(String enc) */
    byte[] bs = str.getBytes(enc);
    if (!equals(bs, bytes))
        throw new Exception(enc + ": String.getBytes failed");

    /* String.getBytes(Charset charset) */
    bs = str.getBytes(charset);
    if (!equals(bs, bytes))
        throw new Exception(charset + ": String.getBytes failed");

    // Calls to String.getBytes(Charset) shouldn't automatically
    // use the cached thread-local encoder.
    if (charset.name().equals("UTF-16BE")) {
        String s = new String(bytes, charset);
        // Replace the thread-local encoder with this one.
        byte[] bb = s.getBytes(Charset.forName("UTF-16LE"));
        if (bytes.length != bb.length) {
            // Incidental test.
            throw new RuntimeException("unequal length: "
                                       + bytes.length + " != "
                                       + bb.length);
        } else {
            boolean diff = false;
            // Expect different byte[] between UTF-16LE and UTF-16BE
            // even though encoder was previously cached by last call
            // to getBytes().
            for (int i = 0; i < bytes.length; i++) {
                if (bytes[i] != bb[i])
                    diff = true;
            }
            if (!diff)
                throw new RuntimeException("byte arrays equal");
        }
    }

    /* OutputStreamWriter */
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(bo, enc);
    String outEnc = w.getEncoding();
    w.write(str);
    w.close();
    bs = bo.toByteArray();
    if (!equals(bs, bytes))
        throw new Exception(enc + ": OutputStreamWriter failed");

    System.err.println(enc + " --> " + inEnc + " / " + outEnc);
}

源代码11 项目： openjdk-8 文件： Encodings.java

static void go(String enc, String str, final byte[] bytes, boolean bidir)
    throws Exception
{
    final Charset charset = Charset.forName(enc);

    /* String(byte[] bs, String enc) */
    if (!(new String(bytes, enc).equals(str)))
        throw new Exception(enc + ": String constructor failed");

    /* String(byte[] bs, Charset charset) */
    if (!(new String(bytes, charset).equals(str)))
        throw new Exception(charset + ": String constructor failed");

    /* String(byte[] bs, int off, int len, Charset charset) */
    String start = str.substring(0, 2);
    String end = str.substring(2);
    if (enc.equals("UTF-16BE") || enc.equals("UTF-16LE")) {
        if (!(new String(bytes, 0, 4, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 4, bytes.length - 4, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    } else if (enc.equals("UTF-16")) {
        if (!(new String(bytes, 0, 6, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
    } else {
        if (!(new String(bytes, 0, 2, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 2, bytes.length - 2, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    }

    /* InputStreamReader */
    ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
    InputStreamReader r = new InputStreamReader(bi, enc);
    String inEnc = r.getEncoding();
    int n = str.length();
    char[] cs = new char[n];
    for (int i = 0; i < n;) {
        int m;
        if ((m = r.read(cs, i, n - i)) < 0)
            throw new Exception(enc + ": EOF on InputStreamReader");
        i += m;
    }
    if (!(new String(cs).equals(str)))
        throw new Exception(enc + ": InputStreamReader failed");

    if (!bidir) {
        System.err.println(enc + " --> " + inEnc);
        return;
    }

    /* String.getBytes(String enc) */
    byte[] bs = str.getBytes(enc);
    if (!equals(bs, bytes))
        throw new Exception(enc + ": String.getBytes failed");

    /* String.getBytes(Charset charset) */
    bs = str.getBytes(charset);
    if (!equals(bs, bytes))
        throw new Exception(charset + ": String.getBytes failed");

    // Calls to String.getBytes(Charset) shouldn't automatically
    // use the cached thread-local encoder.
    if (charset.name().equals("UTF-16BE")) {
        String s = new String(bytes, charset);
        // Replace the thread-local encoder with this one.
        byte[] bb = s.getBytes(Charset.forName("UTF-16LE"));
        if (bytes.length != bb.length) {
            // Incidental test.
            throw new RuntimeException("unequal length: "
                                       + bytes.length + " != "
                                       + bb.length);
        } else {
            boolean diff = false;
            // Expect different byte[] between UTF-16LE and UTF-16BE
            // even though encoder was previously cached by last call
            // to getBytes().
            for (int i = 0; i < bytes.length; i++) {
                if (bytes[i] != bb[i])
                    diff = true;
            }
            if (!diff)
                throw new RuntimeException("byte arrays equal");
        }
    }

    /* OutputStreamWriter */
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(bo, enc);
    String outEnc = w.getEncoding();
    w.write(str);
    w.close();
    bs = bo.toByteArray();
    if (!equals(bs, bytes))
        throw new Exception(enc + ": OutputStreamWriter failed");

    System.err.println(enc + " --> " + inEnc + " / " + outEnc);
}

源代码12 项目： jdk8u_jdk 文件： Encodings.java

static void go(String enc, String str, final byte[] bytes, boolean bidir)
    throws Exception
{
    final Charset charset = Charset.forName(enc);

    /* String(byte[] bs, String enc) */
    if (!(new String(bytes, enc).equals(str)))
        throw new Exception(enc + ": String constructor failed");

    /* String(byte[] bs, Charset charset) */
    if (!(new String(bytes, charset).equals(str)))
        throw new Exception(charset + ": String constructor failed");

    /* String(byte[] bs, int off, int len, Charset charset) */
    String start = str.substring(0, 2);
    String end = str.substring(2);
    if (enc.equals("UTF-16BE") || enc.equals("UTF-16LE")) {
        if (!(new String(bytes, 0, 4, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 4, bytes.length - 4, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    } else if (enc.equals("UTF-16")) {
        if (!(new String(bytes, 0, 6, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
    } else {
        if (!(new String(bytes, 0, 2, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 2, bytes.length - 2, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    }

    /* InputStreamReader */
    ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
    InputStreamReader r = new InputStreamReader(bi, enc);
    String inEnc = r.getEncoding();
    int n = str.length();
    char[] cs = new char[n];
    for (int i = 0; i < n;) {
        int m;
        if ((m = r.read(cs, i, n - i)) < 0)
            throw new Exception(enc + ": EOF on InputStreamReader");
        i += m;
    }
    if (!(new String(cs).equals(str)))
        throw new Exception(enc + ": InputStreamReader failed");

    if (!bidir) {
        System.err.println(enc + " --> " + inEnc);
        return;
    }

    /* String.getBytes(String enc) */
    byte[] bs = str.getBytes(enc);
    if (!equals(bs, bytes))
        throw new Exception(enc + ": String.getBytes failed");

    /* String.getBytes(Charset charset) */
    bs = str.getBytes(charset);
    if (!equals(bs, bytes))
        throw new Exception(charset + ": String.getBytes failed");

    // Calls to String.getBytes(Charset) shouldn't automatically
    // use the cached thread-local encoder.
    if (charset.name().equals("UTF-16BE")) {
        String s = new String(bytes, charset);
        // Replace the thread-local encoder with this one.
        byte[] bb = s.getBytes(Charset.forName("UTF-16LE"));
        if (bytes.length != bb.length) {
            // Incidental test.
            throw new RuntimeException("unequal length: "
                                       + bytes.length + " != "
                                       + bb.length);
        } else {
            boolean diff = false;
            // Expect different byte[] between UTF-16LE and UTF-16BE
            // even though encoder was previously cached by last call
            // to getBytes().
            for (int i = 0; i < bytes.length; i++) {
                if (bytes[i] != bb[i])
                    diff = true;
            }
            if (!diff)
                throw new RuntimeException("byte arrays equal");
        }
    }

    /* OutputStreamWriter */
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(bo, enc);
    String outEnc = w.getEncoding();
    w.write(str);
    w.close();
    bs = bo.toByteArray();
    if (!equals(bs, bytes))
        throw new Exception(enc + ": OutputStreamWriter failed");

    System.err.println(enc + " --> " + inEnc + " / " + outEnc);
}

源代码13 项目： jdk8u-jdk 文件： Encodings.java

static void go(String enc, String str, final byte[] bytes, boolean bidir)
    throws Exception
{
    final Charset charset = Charset.forName(enc);

    /* String(byte[] bs, String enc) */
    if (!(new String(bytes, enc).equals(str)))
        throw new Exception(enc + ": String constructor failed");

    /* String(byte[] bs, Charset charset) */
    if (!(new String(bytes, charset).equals(str)))
        throw new Exception(charset + ": String constructor failed");

    /* String(byte[] bs, int off, int len, Charset charset) */
    String start = str.substring(0, 2);
    String end = str.substring(2);
    if (enc.equals("UTF-16BE") || enc.equals("UTF-16LE")) {
        if (!(new String(bytes, 0, 4, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 4, bytes.length - 4, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    } else if (enc.equals("UTF-16")) {
        if (!(new String(bytes, 0, 6, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
    } else {
        if (!(new String(bytes, 0, 2, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 2, bytes.length - 2, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    }

    /* InputStreamReader */
    ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
    InputStreamReader r = new InputStreamReader(bi, enc);
    String inEnc = r.getEncoding();
    int n = str.length();
    char[] cs = new char[n];
    for (int i = 0; i < n;) {
        int m;
        if ((m = r.read(cs, i, n - i)) < 0)
            throw new Exception(enc + ": EOF on InputStreamReader");
        i += m;
    }
    if (!(new String(cs).equals(str)))
        throw new Exception(enc + ": InputStreamReader failed");

    if (!bidir) {
        System.err.println(enc + " --> " + inEnc);
        return;
    }

    /* String.getBytes(String enc) */
    byte[] bs = str.getBytes(enc);
    if (!equals(bs, bytes))
        throw new Exception(enc + ": String.getBytes failed");

    /* String.getBytes(Charset charset) */
    bs = str.getBytes(charset);
    if (!equals(bs, bytes))
        throw new Exception(charset + ": String.getBytes failed");

    // Calls to String.getBytes(Charset) shouldn't automatically
    // use the cached thread-local encoder.
    if (charset.name().equals("UTF-16BE")) {
        String s = new String(bytes, charset);
        // Replace the thread-local encoder with this one.
        byte[] bb = s.getBytes(Charset.forName("UTF-16LE"));
        if (bytes.length != bb.length) {
            // Incidental test.
            throw new RuntimeException("unequal length: "
                                       + bytes.length + " != "
                                       + bb.length);
        } else {
            boolean diff = false;
            // Expect different byte[] between UTF-16LE and UTF-16BE
            // even though encoder was previously cached by last call
            // to getBytes().
            for (int i = 0; i < bytes.length; i++) {
                if (bytes[i] != bb[i])
                    diff = true;
            }
            if (!diff)
                throw new RuntimeException("byte arrays equal");
        }
    }

    /* OutputStreamWriter */
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(bo, enc);
    String outEnc = w.getEncoding();
    w.write(str);
    w.close();
    bs = bo.toByteArray();
    if (!equals(bs, bytes))
        throw new Exception(enc + ": OutputStreamWriter failed");

    System.err.println(enc + " --> " + inEnc + " / " + outEnc);
}

源代码14 项目： jdk8u-dev-jdk 文件： Encodings.java

static void go(String enc, String str, final byte[] bytes, boolean bidir)
    throws Exception
{
    final Charset charset = Charset.forName(enc);

    /* String(byte[] bs, String enc) */
    if (!(new String(bytes, enc).equals(str)))
        throw new Exception(enc + ": String constructor failed");

    /* String(byte[] bs, Charset charset) */
    if (!(new String(bytes, charset).equals(str)))
        throw new Exception(charset + ": String constructor failed");

    /* String(byte[] bs, int off, int len, Charset charset) */
    String start = str.substring(0, 2);
    String end = str.substring(2);
    if (enc.equals("UTF-16BE") || enc.equals("UTF-16LE")) {
        if (!(new String(bytes, 0, 4, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 4, bytes.length - 4, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    } else if (enc.equals("UTF-16")) {
        if (!(new String(bytes, 0, 6, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
    } else {
        if (!(new String(bytes, 0, 2, charset).equals(start)))
            throw new Exception(charset + ": String constructor failed");
        if (!(new String(bytes, 2, bytes.length - 2, charset).equals(end)))
            throw new Exception(charset + ": String constructor failed");
    }

    /* InputStreamReader */
    ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
    InputStreamReader r = new InputStreamReader(bi, enc);
    String inEnc = r.getEncoding();
    int n = str.length();
    char[] cs = new char[n];
    for (int i = 0; i < n;) {
        int m;
        if ((m = r.read(cs, i, n - i)) < 0)
            throw new Exception(enc + ": EOF on InputStreamReader");
        i += m;
    }
    if (!(new String(cs).equals(str)))
        throw new Exception(enc + ": InputStreamReader failed");

    if (!bidir) {
        System.err.println(enc + " --> " + inEnc);
        return;
    }

    /* String.getBytes(String enc) */
    byte[] bs = str.getBytes(enc);
    if (!equals(bs, bytes))
        throw new Exception(enc + ": String.getBytes failed");

    /* String.getBytes(Charset charset) */
    bs = str.getBytes(charset);
    if (!equals(bs, bytes))
        throw new Exception(charset + ": String.getBytes failed");

    // Calls to String.getBytes(Charset) shouldn't automatically
    // use the cached thread-local encoder.
    if (charset.name().equals("UTF-16BE")) {
        String s = new String(bytes, charset);
        // Replace the thread-local encoder with this one.
        byte[] bb = s.getBytes(Charset.forName("UTF-16LE"));
        if (bytes.length != bb.length) {
            // Incidental test.
            throw new RuntimeException("unequal length: "
                                       + bytes.length + " != "
                                       + bb.length);
        } else {
            boolean diff = false;
            // Expect different byte[] between UTF-16LE and UTF-16BE
            // even though encoder was previously cached by last call
            // to getBytes().
            for (int i = 0; i < bytes.length; i++) {
                if (bytes[i] != bb[i])
                    diff = true;
            }
            if (!diff)
                throw new RuntimeException("byte arrays equal");
        }
    }

    /* OutputStreamWriter */
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    OutputStreamWriter w = new OutputStreamWriter(bo, enc);
    String outEnc = w.getEncoding();
    w.write(str);
    w.close();
    bs = bo.toByteArray();
    if (!equals(bs, bytes))
        throw new Exception(enc + ": OutputStreamWriter failed");

    System.err.println(enc + " --> " + inEnc + " / " + outEnc);
}

方法所在类

java.io.InputStreamReader