Function FL_TEST_FILE

tests/fl/stl/string_view.cpp:9–359

#include "fl/stl/int.h"

FL_TEST_FILE(FL_FILEPATH) {

using namespace fl;

FL_TEST_CASE("string_view - construction") {
    // Default constructor
    string_view empty;
    FL_CHECK(empty.empty());
    FL_CHECK(empty.size() == 0);

    // From C string
    string_view from_cstr("hello");
    FL_CHECK(from_cstr.size() == 5);
    FL_CHECK_FALSE(from_cstr.empty());
    FL_CHECK(from_cstr[0] == 'h');
    FL_CHECK(from_cstr[4] == 'o');

    // From pointer and length
    const char* data = "world";
    string_view from_ptr(data, 3);
    FL_CHECK(from_ptr.size() == 3);
    FL_CHECK(from_ptr[0] == 'w');
    FL_CHECK(from_ptr[2] == 'r');

    // From C array
    const char arr[] = "test";
    string_view from_arr(arr);
    FL_CHECK(from_arr.size() == 4);

    // From fl::string
    fl::string str("fastled");
    string_view from_str(str);
    FL_CHECK(from_str.size() == 7);
    FL_CHECK(from_str[0] == 'f');
}

FL_TEST_CASE("string_view - element access") {
    string_view sv("hello");

    // operator[]
    FL_CHECK(sv[0] == 'h');
    FL_CHECK(sv[4] == 'o');

    // at()
    FL_CHECK(sv.at(0) == 'h');
    FL_CHECK(sv.at(4) == 'o');

    // front() / back()
    FL_CHECK(sv.front() == 'h');
    FL_CHECK(sv.back() == 'o');

    // data()
    FL_CHECK(sv.data() != nullptr);
    FL_CHECK(sv.data()[0] == 'h');
}

FL_TEST_CASE("string_view - iterators") {
    string_view sv("abc");