sal/qa/rtl/oustringbuffer/test_oustringbuffer_utf32.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/types.h>
  21 #include <cppunit/TestFixture.h>
  22 #include <cppunit/TestAssert.h>
  23 #include <cppunit/extensions/HelperMacros.h>
  24 #include <rtl/strbuf.hxx>
  25 #include <rtl/ustrbuf.hxx>
  26 #include <rtl/ustring.h>
  27 #include <rtl/ustring.hxx>
  28
  29 namespace test::oustringbuffer {
  30
  31 class Utf32: public CppUnit::TestFixture {
  32 private:
  33     void appendUtf32();
  34
  35     void insertUtf32();
  36
  37     CPPUNIT_TEST_SUITE(Utf32);
  38     CPPUNIT_TEST(appendUtf32);
  39     CPPUNIT_TEST(insertUtf32);
  40     CPPUNIT_TEST_SUITE_END();
  41 };
  42
  43 }
  44
  45 CPPUNIT_TEST_SUITE_REGISTRATION(test::oustringbuffer::Utf32);
  46
  47 namespace {
  48
  49 void appendString(OStringBuffer & buffer, OUString const & string) {
  50     buffer.append('"');
  51     for (int i = 0; i < string.getLength(); ++i) {
  52         buffer.append("\\u");
  53         sal_Unicode c = string[i];
  54         if (c < 0x1000) {
  55             buffer.append('0');
  56             if (c < 0x100) {
  57                 buffer.append('0');
  58                 if (c < 0x10) {
  59                     buffer.append('0');
  60                 }
  61             }
  62         }
  63         buffer.append(
  64             static_cast< sal_Int32 >(c), static_cast< sal_Int16 >(16));
  65     }
  66     buffer.append('"');
  67 }
  68
  69 void createMessage(
  70     OStringBuffer & message, OUString const & string1,
  71     OUString const & string2)
  72 {
  73     message.setLength(0);
  74     appendString(message, string1);
  75     message.append(" vs. ");
  76     appendString(message, string2);
  77 }
  78
  79 }
  80
  81 void test::oustringbuffer::Utf32::appendUtf32() {
  82     int const str1Len = 3;
  83     sal_Unicode const str1[str1Len] = { 'a', 'b', 'c' };
  84     static constexpr OUStringLiteral str2 = u"abcd";
  85     static constexpr OUStringLiteral str3 = u"abcd\U00010000";
  86     OStringBuffer message;
  87     OUStringBuffer buf1(std::u16string_view(str1, str1Len));
  88     buf1.appendUtf32('d');
  89     OUString res1(buf1.makeStringAndClear());
  90     createMessage(message, res1, str2);
  91     CPPUNIT_ASSERT_EQUAL_MESSAGE(
  92         message.getStr(), OUString(str2), res1);
  93     OUStringBuffer buf2(str2);
  94     buf2.appendUtf32(0x10000);
  95     OUString res2(buf2.makeStringAndClear());
  96     createMessage(message, res2, str3);
  97     CPPUNIT_ASSERT_EQUAL_MESSAGE(
  98         message.getStr(), OUString(str3), res2);
  99 }
 100
 101 void test::oustringbuffer::Utf32::insertUtf32() {
 102     int const str1Len = 3;
 103     sal_Unicode const str1[str1Len] = { 'a', 'b', 'c' };
 104     static constexpr OUStringLiteral str2 = u"abdc";
 105     static constexpr OUStringLiteral str3 = u"ab\U0010FFFFdc";
 106     OStringBuffer message;
 107     OUStringBuffer buf1(std::u16string_view(str1, str1Len));
 108     buf1.insertUtf32(2, 'd');
 109     OUString res1(buf1.makeStringAndClear());
 110     createMessage(message, res1, str2);
 111     CPPUNIT_ASSERT_EQUAL_MESSAGE(
 112         message.getStr(), OUString(str2), res1);
 113     OUStringBuffer buf2(str2);
 114     buf2.insertUtf32(2, 0x10FFFF);
 115     OUString res2(buf2.makeStringAndClear());
 116     createMessage(message, res2, str3);
 117     CPPUNIT_ASSERT_EQUAL_MESSAGE(
 118         message.getStr(), OUString(str3), res2);
 119 }
 120
 121 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */