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https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed
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463359c485
Change-Id: Iec5a3bdc52ccf97da7f46b05c4d4747aa12e4c59
103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
// 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
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// of 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
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// under the License.
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#include "pw_status/status_with_size.h"
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#include "gtest/gtest.h"
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namespace pw {
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namespace {
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static_assert(StatusWithSize::max_size() ==
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(static_cast<size_t>(1) << (sizeof(size_t) * 8 - 5)) - 1,
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"max_size() should use all but the top 5 bits of a size_t.");
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TEST(StatusWithSize, Default) {
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StatusWithSize result;
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EXPECT_TRUE(result.ok());
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EXPECT_EQ(Status::OK, result.status());
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EXPECT_EQ(0u, result.size());
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}
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TEST(StatusWithSize, ConstructWithSize) {
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StatusWithSize result = StatusWithSize(456);
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EXPECT_TRUE(result.ok());
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EXPECT_EQ(Status::OK, result.status());
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EXPECT_EQ(456u, result.size());
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}
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TEST(StatusWithSize, ConstructWithError) {
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StatusWithSize result(Status::RESOURCE_EXHAUSTED, 123);
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EXPECT_FALSE(result.ok());
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EXPECT_EQ(Status::RESOURCE_EXHAUSTED, result.status());
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EXPECT_EQ(123u, result.size());
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}
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TEST(StatusWithSize, ConstructWithOkAndSize) {
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StatusWithSize result(Status::OK, 99);
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EXPECT_TRUE(result.ok());
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EXPECT_EQ(Status::OK, result.status());
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EXPECT_EQ(99u, result.size());
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}
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TEST(StatusWithSize, AllStatusValues_ZeroSize) {
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for (int i = 0; i < 32; ++i) {
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StatusWithSize result(static_cast<Status::Code>(i), 0);
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EXPECT_EQ(result.ok(), i == 0);
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EXPECT_EQ(i, static_cast<int>(result.status().code()));
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EXPECT_EQ(0u, result.size());
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}
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}
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TEST(StatusWithSize, AllStatusValues_SameSize) {
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for (int i = 0; i < 32; ++i) {
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StatusWithSize result(static_cast<Status::Code>(i), i);
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EXPECT_EQ(result.ok(), i == 0);
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EXPECT_EQ(i, static_cast<int>(result.status().code()));
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EXPECT_EQ(static_cast<size_t>(i), result.size());
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}
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}
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TEST(StatusWithSize, AllStatusValues_MaxSize) {
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for (int i = 0; i < 32; ++i) {
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StatusWithSize result(static_cast<Status::Code>(i),
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StatusWithSize::max_size());
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EXPECT_EQ(result.ok(), i == 0);
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EXPECT_EQ(i, static_cast<int>(result.status().code()));
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EXPECT_EQ(result.max_size(), result.size());
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}
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}
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TEST(StatusWithSize, Assignment) {
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StatusWithSize result = StatusWithSize(Status::INTERNAL, 0x123);
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EXPECT_FALSE(result.ok());
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EXPECT_EQ(Status::INTERNAL, result.status());
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EXPECT_EQ(0x123u, result.size());
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result = StatusWithSize(300);
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EXPECT_TRUE(result.ok());
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EXPECT_EQ(Status::OK, result.status());
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EXPECT_EQ(300u, result.size());
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}
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TEST(StatusWithSize, Constexpr) {
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constexpr StatusWithSize result(Status::CANCELLED, 1234);
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static_assert(Status::CANCELLED == result.status());
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static_assert(!result.ok());
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static_assert(1234u == result.size());
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}
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} // namespace
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} // namespace pw
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