Arbutils/tests/StringViewTests.cpp

#ifdef TESTS_BUILD
#include <cstring>
#include <sstream>
#include <unordered_map>
#include "../extern/catch.hpp"
#include "../src/StringView.hpp"

TEST_CASE("Initialize compile time", "[Utilities]") {
    static_assert("foo"_cnc.Length() == 3);
    static_assert("bar"_cnc.Length() == 3);
}

TEST_CASE("Compare compile time", "[Utilities]") { static_assert("foo"_cnc != "bar"_cnc); }

TEST_CASE("Compare compile time with CaseInsensitiveStringview", "[Utilities]") {
    static_assert("foo"_cnc == ArbUt::StringViewLiteral("foo"));
}

TEST_CASE("Use insensitive const string in unordered_map", "[Utilities]") {
    std::unordered_map<ArbUt::StringView, int32_t> map;
    map.insert({"foO"_cnc, 1});
    map.insert({"bAR"_cnc, 5});

    CHECK(map["bar"_cnc] == 5);
    CHECK(map["foo"_cnc] == 1);
}

TEST_CASE("Use case insensitive const string in switch case", "[Utilities]") {
    auto val = ArbUt::StringView("foobar");
    switch (val) {
        case "foo"_cnc: FAIL(); break;
        case "bar"_cnc: FAIL(); break;
        case "FOObAr"_cnc: SUCCEED(); break;
        default: FAIL(); break;
    }
}

TEST_CASE("Literal stringview to non literal, then use", "[Utilities]") {
    ArbUt::StringView val;
    { val = "foobar"_cnc; }
    INFO(val.c_str());
    REQUIRE(strcmp(val.c_str(), "foobar") == 0);
}

TEST_CASE("Pipe stringview into strean", "[Utilities]") {
    std::stringstream ss;
    ArbUt::StringView val = "foo";
    ss << val;
    REQUIRE(ss.str() == "foo");
    ss << val;
    REQUIRE(ss.str() == "foofoo");
    ArbUt::StringView val2 = "bar";
    ss << val2;
    REQUIRE(ss.str() == "foofoobar");
}

#ifndef WINDOWS
__attribute__((optnone))
#endif
static ArbUt::StringView
TestCreateStringview() {
    char originalVal[7];
    originalVal[0] = 'f';
    originalVal[1] = 'o';
    originalVal[2] = 'o';
    originalVal[3] = 'b';
    originalVal[4] = 'a';
    originalVal[5] = 'r';
    originalVal[6] = '\0';
    return ArbUt::StringView(originalVal);
}

TEST_CASE("Out of scope char* doesn't lose reference", "[Utilities]") {
    ArbUt::StringView val = TestCreateStringview();
    INFO(val.c_str());
    REQUIRE(strcmp(val.c_str(), "foobar") == 0);
}

#endif