icuSources/test/intltest/testutil.cpp

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /*
   4 **********************************************************************
   5 *   Copyright (C) 2001-2009, International Business Machines
   6 *   Corporation and others.  All Rights Reserved.
   7 **********************************************************************
   8 *   Date        Name        Description
   9 *   05/23/00    aliu        Creation.
  10 **********************************************************************
  11 */
  12
  13 #include "unicode/unistr.h"
  14 #include "testutil.h"
  15
  16 static const UChar HEX[16]={48,49,50,51,52,53,54,55,56,57,65,66,67,68,69,70};
  17
  18 UnicodeString &TestUtility::appendHex(UnicodeString &buf, UChar32 ch) {
  19     if (ch >= 0x10000) {
  20         if (ch >= 0x100000) {
  21             buf.append(HEX[0xF&(ch>>20)]);
  22         }
  23         buf.append(HEX[0xF&(ch>>16)]);
  24     }
  25     buf.append(HEX[0xF&(ch>>12)]);
  26     buf.append(HEX[0xF&(ch>>8)]);
  27     buf.append(HEX[0xF&(ch>>4)]);
  28     buf.append(HEX[0xF&ch]);
  29     return buf;
  30 }
  31
  32 UnicodeString TestUtility::hex(UChar32 ch) {
  33     UnicodeString buf;
  34     appendHex(buf, ch);
  35     return buf;
  36 }
  37
  38 UnicodeString TestUtility::hex(const UnicodeString& s) {
  39     return hex(s, 44 /*,*/);
  40 }
  41
  42 UnicodeString TestUtility::hex(const UnicodeString& s, UChar sep) {
  43     UnicodeString result;
  44     if (s.isEmpty()) return result;
  45     UChar32 c;
  46     for (int32_t i = 0; i < s.length(); i += U16_LENGTH(c)) {
  47         c = s.char32At(i);
  48         if (i > 0) {
  49             result.append(sep);
  50         }
  51         appendHex(result, c);
  52     }
  53     return result;
  54 }
  55
  56 UnicodeString TestUtility::hex(const uint8_t* bytes, int32_t len) {
  57         UnicodeString buf;
  58         for (int32_t i = 0; i < len; ++i) {
  59                 buf.append(HEX[0x0F & (bytes[i] >> 4)]);
  60                 buf.append(HEX[0x0F & bytes[i]]);
  61         }
  62         return buf;
  63 }