#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"");
	}
};