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// Copyright 2019 The Pigweed Authors
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#include "pw_preprocessor/util.h"
#include <cstdint>
#include "gtest/gtest.h"
namespace pw {
namespace {
TEST(Macros, ArraySize) {
uint32_t hello_there[123];
static_assert(PW_ARRAY_SIZE(hello_there) == 123);
char characters[500];
static_assert(PW_ARRAY_SIZE(characters) == 500);
static_assert(PW_ARRAY_SIZE("2345") == 5);
struct Object {
int a;
uint64_t array[7];
};
Object objects[9];
static_assert(PW_ARRAY_SIZE(objects) == 9);
static_assert(PW_ARRAY_SIZE(Object::array) == 7);
static_assert(PW_ARRAY_SIZE(objects[1].array) == 7);
}
#define HELLO hello
#define WORLD WORLD_IMPL()
#define WORLD_IMPL() WORLD !
TEST(Macros, Stringify) {
EXPECT_STREQ("", PW_STRINGIFY());
EXPECT_STREQ("> _ <", PW_STRINGIFY(> _ <));
EXPECT_STREQ("hello WORLD !", PW_STRINGIFY(HELLO WORLD));
EXPECT_STREQ("hello, WORLD !", PW_STRINGIFY(HELLO, WORLD));
EXPECT_STREQ("a, b, c, hello, WORLD ! 2",
PW_STRINGIFY(a, b, c, HELLO, WORLD 2));
}
} // namespace
} // namespace pw
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