#include "lib/self_test.h"

#include "ps/CStr.h"

class TestCStr : public CxxTest::TestSuite 
{
public:
    void test_utf8_utf16_conversion()
    {
        const wchar_t chr_utf16[] = {
            0x12,
            0xff,
            0x1234,
            0x3456,
            0x5678,
            0x7890,
            0x9abc,
            0xbcde,
            0xfffe
        };
        const unsigned char chr_utf8[] = {
            0x12,
            0xc3, 0xbf,
            0xe1, 0x88, 0xb4,
            0xe3, 0x91, 0x96,
            0xe5, 0x99, 0xb8,
            0xe7, 0xa2, 0x90,
            0xe9, 0xaa, 0xbc,
            0xeb, 0xb3, 0x9e,
            0xef, 0xbf, 0xbe
        };
        CStrW str_utf16 (chr_utf16, sizeof(chr_utf16)/sizeof(wchar_t));

        CStr8 str_utf8 = str_utf16.ToUTF8();
        TS_ASSERT_EQUALS(str_utf8.length(), sizeof(chr_utf8));
        TS_ASSERT_SAME_DATA(str_utf8.data(), chr_utf8, sizeof(chr_utf8));

        CStrW str_utf16b = str_utf8.FromUTF8();
        TS_ASSERT_WSTR_EQUALS(str_utf16b, str_utf16);
    }

    void test_invalid_utf8()
    {
        const unsigned char chr_utf8_a[] = { 'a', 0xef };
        const unsigned char chr_utf8_b[] = { 'b', 0xef, 0xbf };
        const unsigned char chr_utf8_c[] = { 'c', 0xef, 0xbf, 0x01 };

        TS_ASSERT_WSTR_EQUALS(CStr8((const char*)chr_utf8_a, sizeof(chr_utf8_a)).FromUTF8(), L"");
        TS_ASSERT_WSTR_EQUALS(CStr8((const char*)chr_utf8_b, sizeof(chr_utf8_b)).FromUTF8(), L"");
        TS_ASSERT_WSTR_EQUALS(CStr8((const char*)chr_utf8_c, sizeof(chr_utf8_c)).FromUTF8(), L"");
    }
};