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105 lines
2.9 KiB
105 lines
2.9 KiB
/* |
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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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