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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "osp_base/scoped_pipe.h"
#include <vector>
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "platform/api/logging.h"
namespace openscreen {
namespace {
using ::testing::ElementsAre;
std::vector<int>* g_freed_values = nullptr;
struct IntTraits {
using PipeType = int;
static constexpr int kInvalidValue = -1;
static void Close(int fd) { g_freed_values->push_back(fd); }
};
constexpr int IntTraits::kInvalidValue;
class ScopedPipeTest : public ::testing::Test {
protected:
void SetUp() override {
OSP_DCHECK(!g_freed_values);
g_freed_values = new std::vector<int>();
}
void TearDown() override {
delete g_freed_values;
g_freed_values = nullptr;
}
};
} // namespace
TEST_F(ScopedPipeTest, Close) {
{ ScopedPipe<IntTraits> x; }
ASSERT_TRUE(g_freed_values->empty());
{ ScopedPipe<IntTraits> x(3); }
EXPECT_THAT(*g_freed_values, ElementsAre(3));
g_freed_values->clear();
{
ScopedPipe<IntTraits> x(3);
EXPECT_EQ(3, x.release());
ScopedPipe<IntTraits> y;
EXPECT_EQ(IntTraits::kInvalidValue, y.release());
}
ASSERT_TRUE(g_freed_values->empty());
{
ScopedPipe<IntTraits> x(3);
ScopedPipe<IntTraits> y(std::move(x));
EXPECT_EQ(IntTraits::kInvalidValue, x.get());
EXPECT_EQ(3, y.get());
EXPECT_TRUE(g_freed_values->empty());
}
EXPECT_THAT(*g_freed_values, ElementsAre(3));
g_freed_values->clear();
{
ScopedPipe<IntTraits> x(3);
ScopedPipe<IntTraits> y(4);
y = std::move(x);
EXPECT_EQ(IntTraits::kInvalidValue, x.get());
EXPECT_EQ(3, y.get());
EXPECT_EQ(1u, g_freed_values->size());
EXPECT_EQ(4, g_freed_values->front());
}
EXPECT_THAT(*g_freed_values, ElementsAre(4, 3));
g_freed_values->clear();
}
TEST_F(ScopedPipeTest, Comparisons) {
std::vector<int> g_freed_values;
ScopedPipe<IntTraits> x;
ScopedPipe<IntTraits> y;
EXPECT_FALSE(x);
EXPECT_EQ(x, y);
x = ScopedPipe<IntTraits>(3);
EXPECT_TRUE(x);
EXPECT_NE(x, y);
y = ScopedPipe<IntTraits>(4);
EXPECT_TRUE(y);
EXPECT_NE(x, y);
y = ScopedPipe<IntTraits>(3);
EXPECT_EQ(x, y);
}
} // namespace openscreen
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