// Copyright (c) 2017-2022 Cloudflare, Inc.
// Licensed under the Apache 2.0 license found in the LICENSE file or at:
//     https://opensource.org/licenses/Apache-2.0

#include "macro-meta.h"

#include <kj/test.h>

namespace workerd::jsg {
namespace {

static_assert(JSG_IF_NONEMPTY(abcd, 123) == 123);
static_assert(JSG_IF_NONEMPTY(, abcd) true);

template <typename... T>
constexpr int sum(T... args) {
  return (args + ...);
}

#define JSG_TEST_FOR_EACH_OP(op, x) (2 op x)
static_assert(JSG_FOR_EACH(JSG_TEST_FOR_EACH_OP, *) true);
static_assert(sum(JSG_FOR_EACH(JSG_TEST_FOR_EACH_OP, *, 1, 2, 3, 4)) == 20);

static_assert(sum(JSG_FOR_EACH(JSG_TEST_FOR_EACH_OP,
                                   *,
                  1,
                  2,
                  3,
                  4,
                  5,
                  6,
                  7,
                  8,
                  1,
                  2,
                  3,
                  4,
                  5,
                  6,
                  7,
                  8,
                  1,
                  2,
                  3,
                  4,
                  5,
                  6,
                  7,
                  8,
                  1,
                  2,
                  3,
                  4,
                  5,
                  6,
                  7,
                  8)) == 36 * 2 * 4);
#undef JSG_TEST_FOR_EACH_OP

KJ_TEST("macro meta") {
  // Nothing to actually do here; tests are compile-time
}

}  // namespace
}  // namespace workerd::jsg