#include <string>

#include <gmock/gmock.h>
#include <gtest/gtest.h>

#include "trim.hpp"

namespace {
    using ::testing::StrEq;

    struct TrimCase {
        const char *source;
        const char *expected;
    };

    class TrimTest : public ::testing::TestWithParam<TrimCase> {
    };

    TEST_P(TrimTest, ReturnsTrimmedString) {
        const auto &param = GetParam();
        std::string_view result = wavefront::trim(param.source);
        EXPECT_THAT(std::string(result), StrEq(param.expected));
    }

    INSTANTIATE_TEST_SUITE_P(
        TrimCases,
        TrimTest,
        ::testing::Values(
            TrimCase{"   hello world   ", "hello world"},
            TrimCase{"\t\n  spaced\t\n", "spaced"},
            TrimCase{"trimmed", "trimmed"},
            TrimCase{"   ", ""},
            TrimCase{"", ""}
        )
    );
}