/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "netdutils/Status.h"
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#include "netdutils/StatusOr.h"
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#include <sstream>
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#include <gtest/gtest.h>
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namespace android {
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namespace netdutils {
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namespace {
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TEST(StatusTest, valueSemantics) {
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// Default constructor
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EXPECT_EQ(status::ok, Status());
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// Copy constructor
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Status status1(1);
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Status status2(status1); // NOLINT(performance-unnecessary-copy-initialization)
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EXPECT_EQ(1, status2.code());
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// Copy assignment
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Status status3;
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status3 = status2;
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EXPECT_EQ(1, status3.code());
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// Same with const objects
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const Status status4(4);
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const Status status5(status4); // NOLINT(performance-unnecessary-copy-initialization)
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Status status6;
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status6 = status5;
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EXPECT_EQ(4, status6.code());
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}
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TEST(StatusTest, errorMessages) {
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Status s(42, "for tea too");
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EXPECT_EQ(42, s.code());
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EXPECT_FALSE(s.ok());
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EXPECT_EQ(s.msg(), "for tea too");
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}
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TEST(StatusOrTest, moveSemantics) {
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// Status objects should be cheaply movable.
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EXPECT_TRUE(std::is_nothrow_move_constructible<Status>::value);
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EXPECT_TRUE(std::is_nothrow_move_assignable<Status>::value);
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// Should move from a temporary Status (twice)
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Status s(Status(Status(42, "move me")));
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EXPECT_EQ(42, s.code());
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EXPECT_EQ(s.msg(), "move me");
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Status s2(666, "EDAEMON");
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EXPECT_NE(s, s2);
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s = s2; // Invokes the move-assignment operator.
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EXPECT_EQ(666, s.code());
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EXPECT_EQ(s.msg(), "EDAEMON");
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EXPECT_EQ(s, s2);
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// A moved-from Status can be re-used.
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s2 = s;
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// Now both objects are valid.
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EXPECT_EQ(666, s.code());
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EXPECT_EQ(s.msg(), "EDAEMON");
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EXPECT_EQ(s, s2);
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}
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TEST(StatusTest, ignoredStatus) {
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statusFromErrno(ENOTTY, "Not a typewriter, what did you expect?").ignoreError();
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}
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TEST(StatusOrTest, ostream) {
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{
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StatusOr<int> so(11);
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std::stringstream ss;
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ss << so;
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// TODO: Fix StatusOr to optionally output "value:".
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EXPECT_EQ("StatusOr[status: Status[code: 0, msg: \"\"]]", ss.str());
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}
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{
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StatusOr<int> err(status::undefined);
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std::stringstream ss;
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ss << err;
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EXPECT_EQ("StatusOr[status: Status[code: 2147483647, msg: \"undefined\"]]", ss.str());
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}
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}
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} // namespace
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} // namespace netdutils
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} // namespace android
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