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Make wrap_rows not wrap inside utf-8 multibyte sequences

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Also count multibyte sequences as "one" character.
Adds unittest for the bug reporter's case.
Fixes #2796.
This commit is contained in:
est31 2015-06-17 22:10:22 +02:00
parent 6dcf549ba9
commit 43dab2ffc8
2 changed files with 19 additions and 2 deletions
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8
src/unittest/test_utilities.cpp
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@ -242,6 +242,14 @@ void TestUtilities::testUTF8()
void TestUtilities::testWrapRows()
{
UASSERT(wrap_rows("12345678",4) == "1234\n5678");
// test that wrap_rows doesn't wrap inside multibyte sequences
const unsigned char s[] = {
0x2f, 0x68, 0x6f, 0x6d, 0x65, 0x2f, 0x72, 0x61, 0x70, 0x74, 0x6f,
0x72, 0x2f, 0xd1, 0x82, 0xd0, 0xb5, 0xd1, 0x81, 0xd1, 0x82, 0x2f,
0x6d, 0x69, 0x6e, 0x65, 0x74, 0x65, 0x73, 0x74, 0x2f, 0x62, 0x69,
0x6e, 0x2f, 0x2e, 0x2e, 0};
std::string str((char *)s);
UASSERT(utf8_to_wide(wrap_rows(str, 20)) != L"<invalid UTF-8 string>");
}