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Serialize test: augment the hexdump with address and ASCII dump

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Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This commit is contained in:
Johannes Schindelin 2013-10-30 13:29:30 -05:00
parent 6ea017eb86
commit dddd9e5016
1 changed files with 33 additions and 4 deletions
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37
test/Serialize.java
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@ -24,15 +24,44 @@ public class Serialize implements Serializable {
expect(a.equals(b));
}
private static String pad(long number, int length) {
return pad(Long.toHexString(number), length, '0');
}
private static String pad(String s, int length, char padChar) {
length -= s.length();
if (length <= 0) {
return s;
}
StringBuilder builder = new StringBuilder();
while (length-- > 0) {
builder.append(padChar);
}
return builder.append(s).toString();
}
protected static void hexdump(byte[] a) {
StringBuilder builder = new StringBuilder();
System.err.print(pad(0, 8) + " ");
for (int i = 0; i < a.length; i++) {
if ((i & 0xf) == 0) {
System.err.println();
}
String hex = Integer.toHexString(a[i] & 0xff);
System.err.print(" " + (hex.length() == 1 ? "0" : "") + hex);
builder.append(a[i] < 0x20 || a[i] > 0x7f ? '.' : (char)a[i]);
if ((i & 0xf) == 0x7) {
System.err.print(" ");
} else if ((i & 0xf) == 0xf) {
System.err.println(" |" + builder + "|");
builder.setLength(0);
System.err.print(pad(i + 1, 8) + " ");
}
}
System.err.println();
for (int i = a.length & 0xf; i < 0x10; i++) {
System.err.print(" ");
if ((i & 0xf) == 0x7) {
System.err.print(" ");
}
}
System.err.println(" |" + builder + "|");
}
private static void expectEqual(byte[] a, int[] b) {