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#include "cru/common/StringUtil.hpp"
#include <gtest/gtest.h>
using cru::k_invalid_code_point;
// TEST(WinString, Utf8Iterator) {
// using cru::platform::win::Utf8Iterator;
// std::string_view text = "aπ你🤣!";
// Utf8Iterator i{text};
// ASSERT_EQ(i.Next(), 0x0061);
// ASSERT_EQ(i.Next(), 0x03C0);
// ASSERT_EQ(i.Next(), 0x4F60);
// ASSERT_EQ(i.Next(), 0x1F923);
// ASSERT_EQ(i.Next(), 0x0021);
// ASSERT_EQ(i.Next(), k_invalid_code_point);
// }
TEST(WinString, Utf16Iterator) {
using cru::Utf16Iterator;
std::u16string_view text = u"aπ你🤣!";
Utf16Iterator i{text};
ASSERT_EQ(i.Next(), 0x0061);
ASSERT_EQ(i.Next(), 0x03C0);
ASSERT_EQ(i.Next(), 0x4F60);
ASSERT_EQ(i.Next(), 0x1F923);
ASSERT_EQ(i.Next(), 0x0021);
ASSERT_EQ(i.Next(), k_invalid_code_point);
ASSERT_EQ(i.Previous(), 0x0021);
ASSERT_EQ(i.Previous(), 0x1F923);
ASSERT_EQ(i.Previous(), 0x4F60);
ASSERT_EQ(i.Previous(), 0x03C0);
ASSERT_EQ(i.Previous(), 0x0061);
ASSERT_EQ(i.Previous(), k_invalid_code_point);
}
// TEST(WinString, IndexUtf8ToUtf16) {
// using cru::platform::win::IndexUtf8ToUtf16;
// std::string_view utf8_string = "aπ你🤣!";
// std::wstring_view utf16_string = L"aπ你🤣!";
// ASSERT_EQ(IndexUtf8ToUtf16(utf8_string, 0, utf16_string), 0);
// ASSERT_EQ(IndexUtf8ToUtf16(utf8_string, 1, utf16_string), 1);
// ASSERT_EQ(IndexUtf8ToUtf16(utf8_string, 3, utf16_string), 2);
// ASSERT_EQ(IndexUtf8ToUtf16(utf8_string, 6, utf16_string), 3);
// ASSERT_EQ(IndexUtf8ToUtf16(utf8_string, 10, utf16_string), 5);
// ASSERT_EQ(IndexUtf8ToUtf16(utf8_string, 11, utf16_string), 6);
// }
// TEST(WinString, IndexUtf16ToUtf8) {
// using cru::platform::win::IndexUtf16ToUtf8;
// std::string_view utf8_string = "aπ你🤣!";
// std::wstring_view utf16_string = L"aπ你🤣!";
// ASSERT_EQ(IndexUtf16ToUtf8(utf16_string, 0, utf8_string), 0);
// ASSERT_EQ(IndexUtf16ToUtf8(utf16_string, 1, utf8_string), 1);
// ASSERT_EQ(IndexUtf16ToUtf8(utf16_string, 2, utf8_string), 3);
// ASSERT_EQ(IndexUtf16ToUtf8(utf16_string, 3, utf8_string), 6);
// ASSERT_EQ(IndexUtf16ToUtf8(utf16_string, 5, utf8_string), 10);
// ASSERT_EQ(IndexUtf16ToUtf8(utf16_string, 6, utf8_string), 11);
// }
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