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#include <pdx/status.h>
#include <gtest/gtest.h>
#include <memory>
using android::pdx::ErrorStatus;
using android::pdx::Status;
TEST(Status, DefaultInit) {
Status<int> status;
EXPECT_FALSE(status.ok());
EXPECT_TRUE(status.empty());
EXPECT_EQ(0, status.get());
EXPECT_EQ(0, status.error());
}
TEST(Status, InitalizeSuccess) {
Status<int> status_int{0};
EXPECT_FALSE(status_int.empty());
EXPECT_TRUE(status_int.ok());
EXPECT_EQ(0, status_int.get());
status_int = Status<int>(3);
EXPECT_FALSE(status_int.empty());
EXPECT_TRUE(status_int.ok());
EXPECT_EQ(3, status_int.get());
status_int = Status<int>(-3);
EXPECT_FALSE(status_int.empty());
EXPECT_TRUE(status_int.ok());
EXPECT_EQ(-3, status_int.get());
Status<std::string> status_str{"foo"};
EXPECT_FALSE(status_str.empty());
EXPECT_TRUE(status_str.ok());
EXPECT_EQ("foo", status_str.get());
}
TEST(Status, InitalizeError) {
Status<int> status_int = ErrorStatus(12);
EXPECT_FALSE(status_int.empty());
EXPECT_FALSE(status_int.ok());
EXPECT_EQ(0, status_int.get());
EXPECT_EQ(12, status_int.error());
Status<std::string> status_str = ErrorStatus(EIO);
EXPECT_FALSE(status_str.empty());
EXPECT_FALSE(status_str.ok());
EXPECT_EQ(EIO, status_str.error());
}
TEST(Status, ErrorMessage) {
Status<int> status = ErrorStatus(EIO);
EXPECT_EQ(status.GetErrorMessage(), strerror(EIO));
status = ErrorStatus(EINVAL);
EXPECT_EQ(status.GetErrorMessage(), strerror(EINVAL));
}
TEST(Status, Copy) {
Status<int> status1;
Status<int> status2;
status1 = Status<int>{12};
status2 = ErrorStatus(13);
EXPECT_FALSE(status1.empty());
EXPECT_FALSE(status2.empty());
EXPECT_TRUE(status1.ok());
EXPECT_FALSE(status2.ok());
EXPECT_EQ(12, status1.get());
EXPECT_EQ(0, status1.error());
EXPECT_EQ(0, status2.get());
EXPECT_EQ(13, status2.error());
status1 = status2;
EXPECT_FALSE(status1.empty());
EXPECT_FALSE(status2.empty());
EXPECT_FALSE(status1.ok());
EXPECT_FALSE(status2.ok());
EXPECT_EQ(0, status1.get());
EXPECT_EQ(13, status1.error());
EXPECT_EQ(0, status2.get());
EXPECT_EQ(13, status2.error());
}
TEST(Status, Move) {
Status<std::unique_ptr<int>> status1;
Status<std::unique_ptr<int>> status2;
status1 = Status<std::unique_ptr<int>>{std::make_unique<int>(int{11})};
status2 = Status<std::unique_ptr<int>>{std::make_unique<int>(int{12})};
EXPECT_FALSE(status1.empty());
EXPECT_FALSE(status2.empty());
EXPECT_TRUE(status1.ok());
EXPECT_TRUE(status2.ok());
EXPECT_EQ(11, *status1.get());
EXPECT_EQ(12, *status2.get());
Status<std::unique_ptr<int>> status3 = std::move(status2);
EXPECT_FALSE(status1.empty());
EXPECT_TRUE(status2.empty());
EXPECT_FALSE(status3.empty());
EXPECT_TRUE(status1.ok());
EXPECT_FALSE(status2.ok());
EXPECT_TRUE(status3.ok());
EXPECT_EQ(11, *status1.get());
EXPECT_EQ(nullptr, status2.get());
EXPECT_EQ(12, *status3.get());
std::swap(status1, status3);
EXPECT_EQ(12, *status1.get());
EXPECT_EQ(11, *status3.get());
status3 = std::move(status1);
EXPECT_TRUE(status1.empty());
EXPECT_EQ(12, *status3.get());
}
TEST(Status, Take) {
Status<std::unique_ptr<int>> status{std::make_unique<int>(int{123})};
EXPECT_FALSE(status.empty());
EXPECT_NE(nullptr, status.get());
auto data = status.take();
EXPECT_TRUE(status.empty());
EXPECT_EQ(nullptr, status.get());
EXPECT_EQ(123, *data);
}