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/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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
*
* http://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 "netdutils/Status.h"
#include "netdutils/StatusOr.h"
#include <sstream>
#include <gtest/gtest.h>
namespace android {
namespace netdutils {
namespace {
TEST(StatusTest, valueSemantics) {
// Default constructor
EXPECT_EQ(status::ok, Status());
// Copy constructor
Status status1(1);
Status status2(status1); // NOLINT(performance-unnecessary-copy-initialization)
EXPECT_EQ(1, status2.code());
// Copy assignment
Status status3;
status3 = status2;
EXPECT_EQ(1, status3.code());
// Same with const objects
const Status status4(4);
const Status status5(status4); // NOLINT(performance-unnecessary-copy-initialization)
Status status6;
status6 = status5;
EXPECT_EQ(4, status6.code());
}
TEST(StatusTest, errorMessages) {
Status s(42, "for tea too");
EXPECT_EQ(42, s.code());
EXPECT_FALSE(s.ok());
EXPECT_EQ(s.msg(), "for tea too");
}
TEST(StatusOrTest, moveSemantics) {
// Status objects should be cheaply movable.
EXPECT_TRUE(std::is_nothrow_move_constructible<Status>::value);
EXPECT_TRUE(std::is_nothrow_move_assignable<Status>::value);
// Should move from a temporary Status (twice)
Status s(Status(Status(42, "move me")));
EXPECT_EQ(42, s.code());
EXPECT_EQ(s.msg(), "move me");
Status s2(666, "EDAEMON");
EXPECT_NE(s, s2);
s = s2; // Invokes the move-assignment operator.
EXPECT_EQ(666, s.code());
EXPECT_EQ(s.msg(), "EDAEMON");
EXPECT_EQ(s, s2);
// A moved-from Status can be re-used.
s2 = s;
// Now both objects are valid.
EXPECT_EQ(666, s.code());
EXPECT_EQ(s.msg(), "EDAEMON");
EXPECT_EQ(s, s2);
}
TEST(StatusTest, ignoredStatus) {
statusFromErrno(ENOTTY, "Not a typewriter, what did you expect?").ignoreError();
}
TEST(StatusOrTest, ostream) {
{
StatusOr<int> so(11);
std::stringstream ss;
ss << so;
// TODO: Fix StatusOr to optionally output "value:".
EXPECT_EQ("StatusOr[status: Status[code: 0, msg: \"\"]]", ss.str());
}
{
StatusOr<int> err(status::undefined);
std::stringstream ss;
ss << err;
EXPECT_EQ("StatusOr[status: Status[code: 2147483647, msg: \"undefined\"]]", ss.str());
}
}
} // namespace
} // namespace netdutils
} // namespace android
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