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t/string_test.h  view on Meta::CPAN

        SECTION("sso<->external") {
            auto exp1 = mstr("eb");
            auto exp2 = mstr("ta", 50);
            String s1(exp1.c_str());
            FString s2 = create_external<FString>(exp2);
            get_allocs();
            s1.swap(s2);
            REQUIRE_STR(s1, exp2);
            REQUIRE_STR(s2, exp1, MAX_SSO_CHARS);
            s2 = EMPTY;
            CHECK_ALLOCS();
            s1 = EMPTY;
            CHECK_ALLOCS(0,0,1,EBUF_CHARS,0,0,1,exp2.size());
        }
        SECTION("internal<->internal") {
            auto exp1 = mstr("eb", 100);
            auto exp2 = mstr("ta", 50);
            String s1(exp1.c_str());
            FString s2(exp2.c_str());
            CHECK_ALLOCS(2, BUF_CHARS*2 + exp1.size() + exp2.size());
            s1.swap(s2);
            CHECK_ALLOCS();
            REQUIRE_STR(s1, exp2);
            REQUIRE_STR(s2, exp1);
            s1 = EMPTY;
            CHECK_ALLOCS(0,0,1,BUF_CHARS+exp2.size());
            s2 = EMPTY;
            CHECK_ALLOCS(0,0,1,BUF_CHARS+exp1.size());
        }
        SECTION("internal<->external") {
            auto exp1 = mstr("eb", 100);
            auto exp2 = mstr("ta", 50);
            String s1(exp1.c_str());
            FString s2 = create_external<FString>(exp2);
            CHECK_ALLOCS(2, EBUF_CHARS + BUF_CHARS + exp1.size());
            s1.swap(s2);
            REQUIRE_STR(s1, exp2);
            REQUIRE_STR(s2, exp1);
            s1 = EMPTY;
            CHECK_ALLOCS(0,0,1,EBUF_CHARS,0,0,1,exp2.size());
            s2 = EMPTY;
            CHECK_ALLOCS(0,0,1,BUF_CHARS+exp1.size());
        }
        SECTION("external<->external") {
            auto exp1 = mstr("eb", 100);
            auto exp2 = mstr("ta", 50);
            String s1 = create_external<>(exp1);
            FString s2 = create_external<FString>(exp2);
            CHECK_ALLOCS(2, EBUF_CHARS*2);
            s1.swap(s2);
            REQUIRE_STR(s1, exp2);
            REQUIRE_STR(s2, exp1);
            s1 = EMPTY;
            CHECK_ALLOCS(0,0,1,EBUF_CHARS,0,0,1,exp2.size());
            s2 = EMPTY;
            CHECK_ALLOCS(0,0,1,EBUF_CHARS,0,0,1,exp1.size());
        }
    }

    static void test_copy () {
        String s(cstr("the password for my bank account is w74mnds320ft but i won't tell you the login)"));
        T t[500];
        size_t cnt;

        cnt = s.copy(t, 0);
        REQUIRE(cnt == 0);

        cnt = s.copy(t, 10);
        REQUIRE(cnt == 10);
        REQUIRE_STRM(String(t, cnt), mstr("the passwo"));

        cnt = s.copy(t, 20, 15);
        REQUIRE(cnt == 20);
        REQUIRE_STRM(String(t, cnt), mstr("r my bank account is"));

        cnt = s.copy(t, 20, 70); //too much count
        REQUIRE(cnt == 10);
        REQUIRE_STRM(String(t, cnt), mstr("the login)"));

        cnt = s.copy(t, String::npos, 60); //count=npos
        REQUIRE(cnt == 20);
        REQUIRE_STRM(String(t, cnt), mstr(" tell you the login)"));

        REQUIRE_THROWS(s.copy(t, 10, 90)); //too much offset
    }

    static void test_bool_empty () {
        String s;
        REQUIRE(s.empty());
        REQUIRE(!s);
        s = 'a';
        REQUIRE(!s.empty());
        REQUIRE(s);
    }

    static void test_use_count () {
        String s1(LITERAL);
        String s2(s1);
        REQUIRE(s1.use_count() == 1);
        REQUIRE(s2.use_count() == 1);

        s1 = cstr("ab");
        s2 = s1;
        REQUIRE(s1.use_count() == 1);
        REQUIRE(s2.use_count() == 1);

        s1 = cstr("a", 50);
        REQUIRE(s1.use_count() == 1);
        s2 = s1;
        REQUIRE(s1.use_count() == 2);
        REQUIRE(s2.use_count() == 2);

        s1 = create_external<>(mstr("b", 50));
        REQUIRE(s1.use_count() == 1);
        s2 = s1;
        REQUIRE(s1.use_count() == 2);
        REQUIRE(s2.use_count() == 2);
    }

    static void test_detach () {
        get_allocs();