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