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#include "cru/base/String.h"
#include "cru/base/StringUtil.h"
#include <catch2/catch_test_macros.hpp>
using cru::Index;
using cru::k_invalid_code_point;
TEST_CASE("StringUtil Split", "[string]") {
using cru::string::Split;
REQUIRE(Split("abc", "b") == std::vector<std::string>{"a", "c"});
REQUIRE(Split("abcd", "bc") == std::vector<std::string>{"a", "d"});
REQUIRE(Split("abcdbcd", "bc") == std::vector<std::string>{"a", "d", "d"});
REQUIRE(Split("aaa", "a") == std::vector<std::string>{"", "", "", ""});
}
TEST_CASE("StringUtil Utf8NextCodePoint", "[string]") {
using cru::Utf8NextCodePoint;
std::string_view text = "aπ你🤣!";
Index current = 0;
REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, ¤t) ==
0x0061);
REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, ¤t) ==
0x03C0);
REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, ¤t) ==
0x4F60);
REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, ¤t) ==
0x1F923);
REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, ¤t) ==
0x0021);
REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, ¤t) ==
k_invalid_code_point);
REQUIRE(current == static_cast<Index>(text.size()));
}
TEST_CASE("StringUtil Utf16NextCodePoint", "[string]") {
using cru::Utf16NextCodePoint;
std::u16string_view text = u"aπ你🤣!";
Index current = 0;
REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, ¤t) ==
0x0061);
REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, ¤t) ==
0x03C0);
REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, ¤t) ==
0x4F60);
REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, ¤t) ==
0x1F923);
REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, ¤t) ==
0x0021);
REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, ¤t) ==
k_invalid_code_point);
REQUIRE(current == static_cast<Index>(text.size()));
}
TEST_CASE("StringUtil Utf16PreviousCodePoint", "[string]") {
using cru::Utf16PreviousCodePoint;
std::u16string_view text = u"aπ你🤣!";
Index current = text.size();
REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, ¤t) ==
0x0021);
REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, ¤t) ==
0x1F923);
REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, ¤t) ==
0x4F60);
REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, ¤t) ==
0x03C0);
REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, ¤t) ==
0x0061);
REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, ¤t) ==
k_invalid_code_point);
REQUIRE(current == 0);
}
TEST_CASE("StringUtil Utf8CodePointIterator", "[string]") {
using cru::Utf8CodePointIterator;
std::string_view text = "aπ你🤣!";
std::vector<cru::CodePoint> code_points;
for (auto cp : Utf8CodePointIterator(text.data(), text.size())) {
code_points.push_back(cp);
}
std::vector<cru::CodePoint> expected_code_points{0x0061, 0x03C0, 0x4F60,
0x1F923, 0x0021};
REQUIRE(code_points == expected_code_points);
}
TEST_CASE("StringUtil Utf16CodePointIterator", "[string]") {
using cru::Utf16CodePointIterator;
std::u16string_view text = u"aπ你🤣!";
std::vector<cru::CodePoint> code_points;
for (auto cp : Utf16CodePointIterator(text.data(), text.size())) {
code_points.push_back(cp);
}
std::vector<cru::CodePoint> expected_code_points{0x0061, 0x03C0, 0x4F60,
0x1F923, 0x0021};
REQUIRE(code_points == expected_code_points);
}
TEST_CASE("ParseToNumber Work", "[string]") {
using namespace cru::string;
auto r1 = ParseToNumber<int>("123");
REQUIRE(r1.valid);
REQUIRE(r1.value == 123);
REQUIRE(r1.processed_char_count == 3);
auto r2 = ParseToNumber<int>("123.123");
REQUIRE(!r2.valid);
auto r3 = ParseToNumber<float>("123.123");
REQUIRE(r3.valid);
REQUIRE(r3.value == 123.123f);
REQUIRE(r3.processed_char_count == 7);
auto r4 = ParseToNumber<float>("a123");
REQUIRE(!r4.valid);
}
TEST_CASE("ParseToNumber AllowLeadingZeroFlag", "[string]") {
using namespace cru::string;
auto r1 = ParseToNumber<int>(" 123");
REQUIRE(!r1.valid);
auto r2 = ParseToNumber<int>(" 123", ParseToNumberFlags::AllowLeadingSpaces);
REQUIRE(r2.valid);
REQUIRE(r2.value == 123);
REQUIRE(r2.processed_char_count == 5);
auto r3 = ParseToNumber<float>(" 123.123");
REQUIRE(!r3.valid);
auto r4 =
ParseToNumber<float>(" 123.123", ParseToNumberFlags::AllowLeadingSpaces);
REQUIRE(r4.valid);
REQUIRE(r4.value == 123.123f);
REQUIRE(r4.processed_char_count == 9);
}
TEST_CASE("StringToIntegerConverterImpl AllowTrailingSpacesFlag", "[string]") {
using namespace cru::string;
auto r1 = ParseToNumber<int>("123 ");
REQUIRE(!r1.valid);
auto r2 =
ParseToNumber<int>("123 ", ParseToNumberFlags::AllowTrailingSpaces);
REQUIRE(r2.valid);
REQUIRE(r2.value == 123);
REQUIRE(r2.processed_char_count == 3);
auto r3 = ParseToNumber<float>("123.123 ");
REQUIRE(!r3.valid);
auto r4 = ParseToNumber<float>("123.123 ",
ParseToNumberFlags::AllowTrailingSpaces);
REQUIRE(r4.valid);
REQUIRE(r4.value == 123.123f);
REQUIRE(r4.processed_char_count == 7);
}
TEST_CASE("StringToIntegerConverterImpl AllowTrailingJunk", "[string]") {
using namespace cru::string;
auto r1 = ParseToNumber<int>("123ab");
REQUIRE(!r1.valid);
auto r2 = ParseToNumber<int>("123ab", ParseToNumberFlags::AllowTrailingJunk);
REQUIRE(r2.valid);
REQUIRE(r2.value == 123);
REQUIRE(r2.processed_char_count == 3);
auto r3 = ParseToNumber<float>("123.123ab");
REQUIRE(!r3.valid);
auto r4 =
ParseToNumber<float>("123.123ab", ParseToNumberFlags::AllowTrailingJunk);
REQUIRE(r4.valid);
REQUIRE(r4.value == 123.123f);
REQUIRE(r4.processed_char_count == 7);
}
TEST_CASE("StringToIntegerConverterImpl CompositeFlags", "[string]") {
using namespace cru::string;
auto r1 =
ParseToNumber<int>(" 123ab", ParseToNumberFlags::AllowLeadingSpaces |
ParseToNumberFlags::AllowTrailingJunk);
REQUIRE(r1.valid);
REQUIRE(r1.value == 123);
REQUIRE(r1.processed_char_count == 5);
auto r2 = ParseToNumber<float>(" 123.123ab",
ParseToNumberFlags::AllowLeadingSpaces |
ParseToNumberFlags::AllowTrailingJunk);
REQUIRE(r2.valid);
REQUIRE(r2.value == 123.123f);
REQUIRE(r2.processed_char_count == 9);
}
TEST_CASE("String ParseToNumberList", "[string]") {
using namespace cru::string;
auto r1 = ParseToNumberList<int>("123 456 789");
REQUIRE(r1 == std::vector<int>{123, 456, 789});
auto r2 = ParseToNumberList<float>("1.1 2.2 3.3");
REQUIRE(r2 == std::vector<float>{1.1f, 2.2f, 3.3f});
}
// TEST(WinString, IndexUtf8ToUtf16) {
// using cru::platform::win::IndexUtf8ToUtf16;
// std::string_view utf8_string = "aπ你🤣!";
// std::wstring_view utf16_string = L"aπ你🤣!";
// REQUIRE(IndexUtf8ToUtf16(utf8_string, 0, utf16_string), 0);
// REQUIRE(IndexUtf8ToUtf16(utf8_string, 1, utf16_string), 1);
// REQUIRE(IndexUtf8ToUtf16(utf8_string, 3, utf16_string), 2);
// REQUIRE(IndexUtf8ToUtf16(utf8_string, 6, utf16_string), 3);
// REQUIRE(IndexUtf8ToUtf16(utf8_string, 10, utf16_string), 5);
// REQUIRE(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🤣!";
// REQUIRE(IndexUtf16ToUtf8(utf16_string, 0, utf8_string), 0);
// REQUIRE(IndexUtf16ToUtf8(utf16_string, 1, utf8_string), 1);
// REQUIRE(IndexUtf16ToUtf8(utf16_string, 2, utf8_string), 3);
// REQUIRE(IndexUtf16ToUtf8(utf16_string, 3, utf8_string), 6);
// REQUIRE(IndexUtf16ToUtf8(utf16_string, 5, utf8_string), 10);
// REQUIRE(IndexUtf16ToUtf8(utf16_string, 6, utf8_string), 11);
// }
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