libreoffice-online/test/lokassert.hpp
Michael Meeks 7183a3d3de spdx: improve machine and human readability of headers.
Change-Id: Ice934380029bf27054e830fffc07a5d037d1430f
Signed-off-by: Michael Meeks <michael.meeks@collabora.com>
2023-11-14 19:36:31 +00:00

212 lines
11 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* Copyright the Collabora Online contributors.
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#pragma once
#include <vector>
#include <ostream>
#include "testlog.hpp"
#include <assert.h>
#include <cppunit/TestAssert.h>
inline std::ostream& operator<<(std::ostream& os, const std::vector<char>& v)
{
const std::size_t size = v.size();
if (size <= 32)
os << std::string(v.data(), size);
else
os << std::string(v.data(), 32) << "...";
return os;
}
template <typename T, typename U>
inline std::string lokFormatAssertEq(const char* expectedName, const T& expected,
const char* actualName, const U& actual)
{
std::ostringstream oss;
oss << "Expected " << actualName << " [" << std::boolalpha << (actual)
<< "] == " << expectedName << " [" << (expected) << ']';
return oss.str();
}
template <>
std::string inline lokFormatAssertEq(const char* expected_name, const std::string& expected,
const char* actual_name, const std::string& actual)
{
std::ostringstream oss;
oss << "Expected (" << expected_name << "): [";
const std::string expected_prefix = oss.str();
oss.str("");
oss << "Actual (" << actual_name << "): [";
const std::string actual_prefix = oss.str();
oss.str("");
oss << '\n';
oss << expected_prefix << expected << "]\n";
oss << actual_prefix << actual << "]\n";
auto space_count = std::max(expected_prefix.size(), actual_prefix.size());
while (--space_count > 0)
{
oss << ' ';
}
oss << '[';
const auto minSize = std::min(expected.size(), actual.size());
for (std::size_t i = 0; i < minSize; ++i)
{
oss << (expected[i] == actual[i] ? ' ' : '^');
}
const auto maxSize = std::max(expected.size(), actual.size());
for (std::size_t i = minSize; i < maxSize; ++i)
{
oss << '^';
}
oss << "]\n";
return oss.str();
}
#if defined(LOK_ABORT_ON_ASSERTION) || defined(__COVERITY__)
#define LOK_ASSERT_IMPL(X) assert(X);
#else
#define LOK_ASSERT_IMPL(X)
#endif //LOK_ABORT_ON_ASSERTION
// When enabled, assertions that pass will be logged.
// configure with --enable-logging-test-assert
#if LOK_LOG_ASSERTIONS
#define LOK_TRACE(X) \
do \
{ \
TST_LOG(X); \
} while (false)
#else
#define LOK_TRACE(X) \
do \
{ \
} while (false)
#endif
namespace test
{
namespace detail
{
/// For tests that don't have a 'failed' member.
inline constexpr bool failed() { return false; }
} // namespace detail
} // namespace test
#if !defined(__COVERITY__)
#define LOK_ASSERT_MESSAGE_PRIOR_FAILURE failed()
#else
#define LOK_ASSERT_MESSAGE_PRIOR_FAILURE false
#endif
/// Assert the truth of a condition, with a custom message.
#define LOK_ASSERT_MESSAGE_IMPL(message, condition, silent) \
do \
{ \
using namespace test::detail; \
if (!LOK_ASSERT_MESSAGE_PRIOR_FAILURE) \
{ \
if (!(condition)) \
{ \
std::ostringstream oss##__LINE__; \
oss##__LINE__ << message; \
const auto msg##__LINE__ = oss##__LINE__.str(); \
TST_LOG("ERROR: Assertion failure: " \
<< (msg##__LINE__.empty() ? "" : msg##__LINE__ + ". ") \
<< "Condition: " << (#condition)); \
LOK_ASSERT_IMPL(!#condition); /* NOLINT(misc-static-assert) */ \
CPPUNIT_ASSERT_MESSAGE((msg##__LINE__), condition); \
} \
else if (!silent) \
{ \
LOK_TRACE("PASS: " << (#condition) << " [true]"); \
} \
} \
} while (false)
/// Assert the truth of a condition, with a custom message, logging on success.
#define LOK_ASSERT_MESSAGE(message, condition) LOK_ASSERT_MESSAGE_IMPL(message, condition, false)
/// Assert the truth of a condition, with a custom message, without logging on success.
#define LOK_ASSERT_MESSAGE_SILENT(message, condition) \
LOK_ASSERT_MESSAGE_IMPL(message, condition, true)
/// Assert the truth of a condition, logging on success.
#define LOK_ASSERT(condition) LOK_ASSERT_MESSAGE_IMPL("", condition, false)
/// Assert the truth of a condition without logging on success.
#define LOK_ASSERT_SILENT(condition) LOK_ASSERT_MESSAGE_IMPL("", condition, true)
/// Assert the equality of two expressions. WARNING: Multiple evaluations!
/// Captures full expressions, but only meaningful when they have no side-effects when evaluated.
#define LOK_ASSERT_EQUAL_UNSAFE(expected, actual) \
LOK_ASSERT_EQUAL_MESSAGE_UNSAFE("", #expected, expected, #actual, actual)
/// Assert the equality of two expressions with a custom message. WARNING: Multiple evaluations!
/// Captures full expressions, but only meaningful when they have no side-effects when evaluated.
#define LOK_ASSERT_EQUAL_MESSAGE_UNSAFE(message, expected_name, expected, actual_name, actual) \
do \
{ \
using namespace test::detail; \
if (!failed() && !((expected) == (actual))) \
{ \
std::ostringstream oss##__LINE__; \
oss##__LINE__ << message; \
const auto msg##__LINE__ = oss##__LINE__.str(); \
TST_LOG("ERROR: Assertion failure: " \
<< (msg##__LINE__.empty() ? "" : msg##__LINE__ + ' ') \
<< lokFormatAssertEq(expected_name, expected, actual_name, actual)); \
LOK_ASSERT_IMPL((expected) == (actual)); \
CPPUNIT_ASSERT_EQUAL_MESSAGE(msg##__LINE__, (expected), (actual)); \
} \
} while (false)
/// Assert the equality of two expressions, and a custom message, with guaranteed single evaluation.
#define LOK_ASSERT_EQUAL_MESSAGE(MSG, EXP, ACT) \
do \
{ \
auto&& exp##__LINE__ = EXP; \
auto&& act##__LINE__ = ACT; \
if (!(exp##__LINE__ == act##__LINE__)) \
{ \
LOK_ASSERT_EQUAL_MESSAGE_UNSAFE(MSG, #EXP, exp##__LINE__, #ACT, act##__LINE__); \
} \
else \
{ \
LOK_TRACE("PASS: " << #EXP << " == " << #ACT << " == [" << act##__LINE__ << ']'); \
} \
} while (false)
/// Assert the equality of two expressions with guarantees of single evaluation.
#define LOK_ASSERT_EQUAL(EXP, ACT) LOK_ASSERT_EQUAL_MESSAGE((#EXP) << " != " << (#ACT), EXP, ACT)
/// Assert the equality of two expressions with guarantees of single evaluation.
#define LOK_ASSERT_EQUAL_STR(EXP, ACT) \
LOK_ASSERT_EQUAL_MESSAGE((#EXP) << " != " << (#ACT), Util::toString(EXP), Util::toString(ACT))
#define LOK_ASSERT_FAIL(message) \
do \
{ \
TST_LOG("ERROR: Forced failure: " << (message)); \
LOK_ASSERT_IMPL(!"Forced failure: " #message); /* NOLINT(misc-static-assert) */ \
CPPUNIT_FAIL((message)); \
} while (false)