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#include "cru/common/Format.h"
#include "cru/common/String.h"
#include <catch2/catch_test_macros.hpp>
TEST_CASE("String Append", "[string]") {
using cru::String;
String s;
s.append(u"ha");
s.append(s);
REQUIRE(s == String(u"haha"));
}
TEST_CASE("String IndexConvert", "[string]") {
using cru::String;
String s(u"123");
REQUIRE(s.IndexFromCodePointToCodeUnit(1) == 1);
REQUIRE(s.IndexFromCodeUnitToCodePoint(1) == 1);
REQUIRE(s.IndexFromCodeUnitToCodePoint(3) == 3);
REQUIRE(s.IndexFromCodeUnitToCodePoint(3) == 3);
}
TEST_CASE("String Format", "[string]") {
using cru::Format;
using cru::String;
REQUIRE(Format(u"{} + {} = {}", 123, 321, 444) == String(u"123 + 321 = 444"));
}
TEST_CASE("String Trim", "[string]") {
using cru::String;
REQUIRE(String(u" abc ").Trim() == u"abc");
}
TEST_CASE("String SplitToLines", "[string]") {
using cru::String;
String s(u"abc\ndef\nghi");
auto lines = s.SplitToLines();
REQUIRE(lines.size() == 3);
REQUIRE(lines[0] == String(u"abc"));
REQUIRE(lines[1] == String(u"def"));
REQUIRE(lines[2] == String(u"ghi"));
}
TEST_CASE("String SplitToLinesWithEmptyLine", "[string]") {
using cru::String;
String s(u"abc\n \ndef\n\nghi\n");
auto lines = s.SplitToLines();
REQUIRE(lines.size() == 6);
REQUIRE(lines[0] == String(u"abc"));
REQUIRE(lines[1] == String(u" "));
REQUIRE(lines[2] == String(u"def"));
REQUIRE(lines[3] == String(u""));
REQUIRE(lines[4] == String(u"ghi"));
REQUIRE(lines[5] == String(u""));
}
TEST_CASE("String SplitToLinesRemoveSpaceLine", "[string]") {
using cru::String;
String s(u"abc\n \ndef\n\nghi\n");
auto lines = s.SplitToLines(true);
REQUIRE(lines.size() == 3);
REQUIRE(lines[0] == String(u"abc"));
REQUIRE(lines[1] == String(u"def"));
REQUIRE(lines[2] == String(u"ghi"));
}
TEST_CASE("StringView ToUtf8", "[string]") {
using cru::StringView;
StringView utf16_text = u"aπ你🤣!";
std::string_view utf8_text = "aπ你🤣!";
REQUIRE(utf16_text.ToUtf8() == utf8_text);
}
TEST_CASE("String FromUtf8", "[string]") {
std::u16string_view utf16_text = u"aπ你🤣!";
std::string_view utf8_text = "aπ你🤣!";
REQUIRE(cru::String::FromUtf8(utf8_text) == utf16_text);
}
TEST_CASE("StringView ParseToDouble", "[string]") {
using cru::StringToNumberFlags;
using cru::StringView;
REQUIRE(StringView(u"3.14159").ParseToDouble() == 3.14159);
REQUIRE(
StringView(u" 3.14159")
.ParseToDouble(nullptr, StringToNumberFlags::kAllowLeadingSpaces) ==
3.14159);
REQUIRE(StringView(u" 3.14159 ")
.ParseToDouble(nullptr,
StringToNumberFlags::kAllowLeadingSpaces |
StringToNumberFlags::kAllowTrailingSpaces) ==
3.14159);
}
TEST_CASE("String ParseToDoubleList", "[string]") {
using cru::StringView;
auto list = StringView(u" 1.23 2.34 3.45 ").ParseToDoubleList();
REQUIRE(list.size() == 3);
REQUIRE(list[0] == 1.23);
REQUIRE(list[1] == 2.34);
REQUIRE(list[2] == 3.45);
}
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