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