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error_test.cpp
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error_test.cpp
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/*
* Copyright (c) 2022, Psiphon Inc.
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "gtest/gtest.h"
#include "error.hpp"
using namespace std;
using namespace psicash::error;
TEST(TestError, Construction)
{
Error e_default;
ASSERT_FALSE(e_default);
Error e_noncritical(false, "e_noncritical_message", "e_noncritical_filename", "e_noncritical_function", 123);
ASSERT_TRUE(e_noncritical);
ASSERT_NE(e_noncritical.ToString().find("e_noncritical_message"), string::npos);
ASSERT_FALSE(e_noncritical.Critical());
Error e_noncritical_wrapper(e_noncritical);
ASSERT_TRUE(e_noncritical_wrapper);
ASSERT_NE(e_noncritical_wrapper.ToString().find("e_noncritical_message"), string::npos);
ASSERT_FALSE(e_noncritical.Critical());
Error e_critical(true, "e_critical_message", "e_critical_filename", "e_critical_function", 123);
ASSERT_TRUE(e_critical);
ASSERT_NE(e_critical.ToString().find("e_critical_message"), string::npos);
ASSERT_TRUE(e_critical.Critical());
Error e_critical_wrapper(e_critical);
ASSERT_TRUE(e_critical_wrapper);
ASSERT_NE(e_critical_wrapper.ToString().find("e_critical_message"), string::npos);
ASSERT_TRUE(e_critical_wrapper.Critical());
auto eNullerr = nullerr;
ASSERT_FALSE(eNullerr);
ASSERT_EQ(eNullerr, nullerr);
}
TEST(TestError, Macros) {
{ // Noncritical
const bool critical = false;
auto e1 = MakeNoncriticalError("e1message");
ASSERT_TRUE(e1);
ASSERT_NE(e1.ToString().find("e1message"), string::npos);
ASSERT_EQ(e1.Critical(), critical);
auto e2 = WrapError(e1, "e2message");
ASSERT_TRUE(e2);
ASSERT_NE(e2.ToString().find("e2message"), string::npos);
ASSERT_NE(e2.ToString().find("e1message"), string::npos);
ASSERT_EQ(e2.Critical(), critical);
auto e3 = PassError(e1);
ASSERT_TRUE(e3);
// Brittle. File info is in parens, so we'll check for two sets of them.
auto first_open_paren = e3.ToString().find("(");
auto second_open_paren = e3.ToString().rfind("(");
ASSERT_NE(first_open_paren, second_open_paren);
ASSERT_NE(first_open_paren, string::npos);
ASSERT_NE(second_open_paren, string::npos);
ASSERT_NE(e3.ToString().find("e1message"), string::npos);
ASSERT_EQ(e3.Critical(), critical);
auto e4 = WrapError(e3, "e3message");
ASSERT_TRUE(e4);
ASSERT_NE(e4.ToString().find("e3message"), string::npos);
ASSERT_NE(e4.ToString().find("e1message"), string::npos);
ASSERT_EQ(e4.Critical(), critical);
}
{ // Critical
const bool critical = true;
auto e1 = MakeCriticalError("e1message");
ASSERT_TRUE(e1);
ASSERT_NE(e1.ToString().find("e1message"), string::npos);
ASSERT_EQ(e1.Critical(), critical);
auto e2 = WrapError(e1, "e2message");
ASSERT_TRUE(e2);
ASSERT_NE(e2.ToString().find("e2message"), string::npos);
ASSERT_NE(e2.ToString().find("e1message"), string::npos);
ASSERT_EQ(e2.Critical(), critical);
auto e3 = PassError(e1);
ASSERT_TRUE(e3);
// Brittle. File info is in parens, so we'll check for two sets of them.
auto first_open_paren = e3.ToString().find("(");
auto second_open_paren = e3.ToString().rfind("(");
ASSERT_NE(first_open_paren, second_open_paren);
ASSERT_NE(first_open_paren, string::npos);
ASSERT_NE(second_open_paren, string::npos);
ASSERT_NE(e3.ToString().find("e1message"), string::npos);
ASSERT_EQ(e3.Critical(), critical);
auto e4 = WrapError(e3, "e3message");
ASSERT_TRUE(e4);
ASSERT_NE(e4.ToString().find("e3message"), string::npos);
ASSERT_NE(e4.ToString().find("e1message"), string::npos);
ASSERT_EQ(e4.Critical(), critical);
}
}
TEST(TestError, BoolOperator)
{
Error e1;
ASSERT_TRUE(!e1);
ASSERT_FALSE(e1);
Error e2(false, "e2message", "e2filename", "e2function", 123);
ASSERT_TRUE(e2);
ASSERT_FALSE(!e2);
}
TEST(TestError, ToString) {
Error e1;
ASSERT_FALSE(e1);
// This test is brittle. The non-error string is like "(nonerror)".
ASSERT_EQ(e1.ToString()[0], '(');
Error e_noncritical(false, "e_noncritical_message", "e_noncritical_filename", "e_noncritical_function", 123);
ASSERT_TRUE(e_noncritical);
ASSERT_NE(e_noncritical.ToString().find("e_noncritical_message"), string::npos);
ASSERT_NE(e_noncritical.ToString().find("e_noncritical_filename"), string::npos);
ASSERT_NE(e_noncritical.ToString().find("e_noncritical_function"), string::npos);
ASSERT_NE(e_noncritical.ToString().find("123"), string::npos);
ASSERT_EQ(e_noncritical.ToString().find("CRITICAL"), string::npos);
Error e_critical(true, "e_critical_message", "e_critical_filename", "e_critical_function", 123);
ASSERT_TRUE(e_critical);
ASSERT_NE(e_critical.ToString().find("e_critical_message"), string::npos);
ASSERT_NE(e_critical.ToString().find("e_critical_filename"), string::npos);
ASSERT_NE(e_critical.ToString().find("e_critical_function"), string::npos);
ASSERT_NE(e_critical.ToString().find("123"), string::npos);
ASSERT_NE(e_critical.ToString().find("CRITICAL"), string::npos);
}
TEST(TestResult, Construction) {
// There's no default constructor, so this is a compile error:
// Result<string> r;
Result<string> r1("r1val");
ASSERT_TRUE(r1);
ASSERT_EQ(*r1, "r1val");
Result<int> r2(321);
ASSERT_TRUE(r2);
ASSERT_EQ(*r2, 321);
Result<string> r3(MakeNoncriticalError("r3error"));
ASSERT_FALSE(r3);
ASSERT_NE(r3.error().ToString().find("r3error"), string::npos);
Result<string> r4(MakeCriticalError("r4error"));
ASSERT_FALSE(r4);
ASSERT_NE(r4.error().ToString().find("r4error"), string::npos);
}