209 lines
		
	
	
		
			6.1 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			209 lines
		
	
	
		
			6.1 KiB
		
	
	
	
		
			C++
		
	
	
	
| // Copyright 2018 The Chromium Authors. All rights reserved.
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| // Use of this source code is governed by a BSD-style license that can be
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| // found in the LICENSE file.
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| 
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| #include "platform/base/error.h"
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| 
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| #include "gtest/gtest.h"
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| 
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| namespace {
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| 
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| class Dummy {
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|  public:
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|   Dummy() = default;
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|   explicit Dummy(const std::string& x) : message(x) {}
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|   ~Dummy() = default;
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| 
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|   std::string message;
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| };
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| 
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| }  // namespace
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| 
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| namespace openscreen {
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| 
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| TEST(ErrorTest, TestDefaultError) {
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|   const Error error;
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|   EXPECT_EQ(error, Error::None());
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|   EXPECT_EQ(error.message(), "");
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| }
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| 
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| TEST(ErrorTest, TestNonDefaultError) {
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|   const Error error(Error::Code::kCborParsing, "Parse error");
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|   EXPECT_EQ(error.code(), Error::Code::kCborParsing);
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|   EXPECT_EQ(error.message(), "Parse error");
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| 
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|   const Error error2(error);
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|   EXPECT_EQ(error2.code(), Error::Code::kCborParsing);
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|   EXPECT_EQ(error2.message(), "Parse error");
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| 
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|   const Error error3 = error2;
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|   EXPECT_EQ(error, error2);
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|   EXPECT_EQ(error, error3);
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|   EXPECT_EQ(error2, error3);
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| 
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|   const Error default_error;
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|   EXPECT_FALSE(error == default_error);
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|   EXPECT_FALSE(error2 == default_error);
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|   EXPECT_FALSE(error3 == default_error);
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| 
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|   const Error error4(std::move(error2));
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|   const Error error5 = std::move(error3);
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|   EXPECT_EQ(error, error4);
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|   EXPECT_EQ(error, error5);
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| }
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| 
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| TEST(ErrorOrTest, ErrorToString) {
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|   const Error error_none(Error::Code::kNone);
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|   const Error error_none_with_msg(Error::Code::kNone, "Nothing to see here");
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|   const Error error_transient(Error::Code::kAgain);
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|   const Error error_transient_with_msg(Error::Code::kAgain,
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|                                        "Try again later maybe?");
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|   const Error error(Error::Code::kAddressInUse);
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|   const Error error_with_msg(Error::Code::kAddressInUse,
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|                              "Somebody called dibs");
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| 
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|   EXPECT_EQ("Success = \"\"", error_none.ToString());
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|   EXPECT_EQ("Success = \"Nothing to see here\"",
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|             error_none_with_msg.ToString());
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|   EXPECT_EQ("Failure: Transient = \"\"", error_transient.ToString());
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|   EXPECT_EQ("Failure: Transient = \"Try again later maybe?\"",
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|             error_transient_with_msg.ToString());
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|   EXPECT_EQ("Failure: AddressInUse = \"\"", error.ToString());
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|   EXPECT_EQ("Failure: AddressInUse = \"Somebody called dibs\"",
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|             error_with_msg.ToString());
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| }
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| 
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| TEST(ErrorOrTest, ErrorOrWithError) {
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|   ErrorOr<Dummy> error_or1(Error(Error::Code::kCborParsing, "Parse Error"));
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|   const ErrorOr<Dummy> error_or2(Error::Code::kCborParsing);
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|   ErrorOr<Dummy> error_or3(Error::Code::kCborParsing, "Parse Error Again");
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| 
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|   EXPECT_FALSE(error_or1);
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|   EXPECT_FALSE(error_or1.is_value());
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|   EXPECT_TRUE(error_or1.is_error());
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|   EXPECT_EQ(error_or1.error().code(), Error::Code::kCborParsing);
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|   EXPECT_EQ(error_or1.error().message(), "Parse Error");
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| 
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|   EXPECT_FALSE(error_or2);
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|   EXPECT_FALSE(error_or2.is_value());
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|   EXPECT_TRUE(error_or2.is_error());
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|   EXPECT_EQ(error_or2.error().code(), Error::Code::kCborParsing);
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|   EXPECT_EQ(error_or2.error().message(), "");
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| 
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|   EXPECT_FALSE(error_or3);
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|   EXPECT_FALSE(error_or3.is_value());
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|   EXPECT_TRUE(error_or3.is_error());
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|   EXPECT_EQ(error_or3.error().code(), Error::Code::kCborParsing);
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|   EXPECT_EQ(error_or3.error().message(), "Parse Error Again");
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| 
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|   const ErrorOr<Dummy> error_or4(std::move(error_or1));
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|   const ErrorOr<Dummy> error_or5 = std::move(error_or3);
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| 
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|   EXPECT_FALSE(error_or4);
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|   EXPECT_FALSE(error_or4.is_value());
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|   EXPECT_TRUE(error_or4.is_error());
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|   EXPECT_EQ(error_or4.error().code(), Error::Code::kCborParsing);
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|   EXPECT_EQ(error_or4.error().message(), "Parse Error");
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| 
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|   EXPECT_FALSE(error_or5);
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|   EXPECT_FALSE(error_or5.is_value());
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|   EXPECT_TRUE(error_or5.is_error());
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|   EXPECT_EQ(error_or5.error().code(), Error::Code::kCborParsing);
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|   EXPECT_EQ(error_or5.error().message(), "Parse Error Again");
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| }
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| 
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| TEST(ErrorOrTest, ErrorOrWithPrimitiveValue) {
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|   const ErrorOr<int> error_or_integer(1337);
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|   EXPECT_TRUE(error_or_integer);
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|   EXPECT_TRUE(error_or_integer.is_value());
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|   EXPECT_FALSE(error_or_integer.is_error());
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|   EXPECT_EQ(error_or_integer.value(), 1337);
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| }
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| 
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| TEST(ErrorOrTest, ErrorOrWithValue) {
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|   ErrorOr<Dummy> error_or1(Dummy("Winterfell"));
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|   ErrorOr<Dummy> error_or2(Dummy("Riverrun"));
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| 
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|   EXPECT_TRUE(error_or1);
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|   EXPECT_TRUE(error_or1.is_value());
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|   EXPECT_FALSE(error_or1.is_error());
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|   EXPECT_EQ(error_or1.value().message, "Winterfell");
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| 
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|   EXPECT_TRUE(error_or2);
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|   EXPECT_TRUE(error_or2.is_value());
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|   EXPECT_FALSE(error_or2.is_error());
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|   EXPECT_EQ(error_or2.value().message, "Riverrun");
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| 
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|   const ErrorOr<Dummy> error_or3(std::move(error_or1));
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|   ErrorOr<Dummy> error_or4 = std::move(error_or2);
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| 
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|   EXPECT_TRUE(error_or3);
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|   EXPECT_TRUE(error_or3.is_value());
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|   EXPECT_FALSE(error_or3.is_error());
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|   EXPECT_EQ(error_or3.value().message, "Winterfell");
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| 
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|   EXPECT_TRUE(error_or4);
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|   EXPECT_TRUE(error_or4.is_value());
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|   EXPECT_FALSE(error_or4.is_error());
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|   EXPECT_EQ(error_or4.value().message, "Riverrun");
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| 
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|   Dummy value = std::move(error_or4.value());
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|   EXPECT_EQ(value.message, "Riverrun");
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| }
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| 
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| TEST(ErrorOrTest, ComparisonTests) {
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|   const ErrorOr<int> e1(7);
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|   const ErrorOr<int> e2(7);
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|   const ErrorOr<int> e3(2);
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|   const ErrorOr<int> e4(10);
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| 
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|   const ErrorOr<int> e5(Error::Code::kAgain);
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|   const ErrorOr<int> e6(Error::Code::kCborParsing);
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|   const ErrorOr<int> e7(Error::Code::kCborEncoding);
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|   const ErrorOr<int> e8(Error::Code::kCborEncoding);
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| 
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|   const ErrorOr<int> e9(Error::Code::kAgain, "foo");
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|   const ErrorOr<int> e10(Error::Code::kAgain, "bar");
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| 
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|   EXPECT_EQ(e1, e2);
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|   EXPECT_EQ(e7, e8);
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|   EXPECT_LE(e1, e2);
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|   EXPECT_GE(e7, e8);
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| 
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|   EXPECT_NE(e1, e3);
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|   EXPECT_NE(e1, e4);
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|   EXPECT_NE(e1, e5);
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|   EXPECT_NE(e1, e6);
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|   EXPECT_NE(e1, e7);
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|   EXPECT_NE(e5, e2);
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|   EXPECT_NE(e5, e3);
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|   EXPECT_NE(e5, e4);
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|   EXPECT_NE(e5, e6);
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|   EXPECT_NE(e5, e9);
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|   EXPECT_NE(e5, e10);
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|   EXPECT_NE(e9, e10);
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| 
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|   EXPECT_LT(e3, e1);
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|   EXPECT_GT(e4, e1);
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|   EXPECT_LT(e5, e6);
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|   EXPECT_LE(e5, e9);
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|   EXPECT_LE(e5, e10);
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|   EXPECT_LE(e9, e10);
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|   EXPECT_GT(e7, e6);
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| 
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|   EXPECT_GT(e1, e5);
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|   EXPECT_GT(e2, e5);
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|   EXPECT_GT(e3, e5);
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|   EXPECT_GT(e4, e5);
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|   EXPECT_GT(e1, e6);
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|   EXPECT_GT(e2, e6);
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|   EXPECT_GT(e3, e6);
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|   EXPECT_GT(e4, e6);
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|   EXPECT_GT(e1, e7);
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|   EXPECT_GT(e2, e7);
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|   EXPECT_GT(e3, e7);
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|   EXPECT_GT(e4, e7);
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| }
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| 
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| }  // namespace openscreen
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