| // Copyright 2020 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_status/status_with_size.h" |
| |
| #include "gtest/gtest.h" |
| |
| namespace pw { |
| namespace { |
| |
| static_assert(StatusWithSize::max_size() == |
| (static_cast<size_t>(1) << (sizeof(size_t) * 8 - 5)) - 1, |
| "max_size() should use all but the top 5 bits of a size_t."); |
| |
| TEST(StatusWithSize, Default) { |
| StatusWithSize result; |
| EXPECT_TRUE(result.ok()); |
| EXPECT_EQ(Status::OK, result.status()); |
| EXPECT_EQ(0u, result.size()); |
| } |
| |
| TEST(StatusWithSize, ConstructWithSize) { |
| StatusWithSize result = StatusWithSize(456); |
| EXPECT_TRUE(result.ok()); |
| EXPECT_EQ(Status::OK, result.status()); |
| EXPECT_EQ(456u, result.size()); |
| } |
| |
| TEST(StatusWithSize, ConstructWithError) { |
| StatusWithSize result(Status::RESOURCE_EXHAUSTED, 123); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(Status::RESOURCE_EXHAUSTED, result.status()); |
| EXPECT_EQ(123u, result.size()); |
| } |
| |
| TEST(StatusWithSize, ConstructWithOkAndSize) { |
| StatusWithSize result(Status::OK, 99); |
| EXPECT_TRUE(result.ok()); |
| EXPECT_EQ(Status::OK, result.status()); |
| EXPECT_EQ(99u, result.size()); |
| } |
| |
| TEST(StatusWithSize, AllStatusValues_ZeroSize) { |
| for (int i = 0; i < 32; ++i) { |
| StatusWithSize result(static_cast<Status::Code>(i), 0); |
| EXPECT_EQ(result.ok(), i == 0); |
| EXPECT_EQ(i, static_cast<int>(result.status())); |
| EXPECT_EQ(0u, result.size()); |
| } |
| } |
| |
| TEST(StatusWithSize, AllStatusValues_SameSize) { |
| for (int i = 0; i < 32; ++i) { |
| StatusWithSize result(static_cast<Status::Code>(i), i); |
| EXPECT_EQ(result.ok(), i == 0); |
| EXPECT_EQ(i, static_cast<int>(result.status())); |
| EXPECT_EQ(static_cast<size_t>(i), result.size()); |
| } |
| } |
| |
| TEST(StatusWithSize, AllStatusValues_MaxSize) { |
| for (int i = 0; i < 32; ++i) { |
| StatusWithSize result(static_cast<Status::Code>(i), |
| StatusWithSize::max_size()); |
| EXPECT_EQ(result.ok(), i == 0); |
| EXPECT_EQ(i, static_cast<int>(result.status())); |
| EXPECT_EQ(result.max_size(), result.size()); |
| } |
| } |
| |
| TEST(StatusWithSize, Assignment) { |
| StatusWithSize result = StatusWithSize(Status::INTERNAL, 0x123); |
| EXPECT_FALSE(result.ok()); |
| EXPECT_EQ(Status::INTERNAL, result.status()); |
| EXPECT_EQ(0x123u, result.size()); |
| |
| result = StatusWithSize(300); |
| EXPECT_TRUE(result.ok()); |
| EXPECT_EQ(Status::OK, result.status()); |
| EXPECT_EQ(300u, result.size()); |
| } |
| |
| TEST(StatusWithSize, Constexpr) { |
| constexpr StatusWithSize result(Status::CANCELLED, 1234); |
| static_assert(Status::CANCELLED == result.status()); |
| static_assert(!result.ok()); |
| static_assert(1234u == result.size()); |
| } |
| |
| } // namespace |
| } // namespace pw |