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/**
* Copyright (C) 2019-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/platform/source_location_test.h"
namespace mongo {
namespace {
constexpr SourceLocation makeLocalFunctionSourceLocationForTest() {
return MONGO_SOURCE_LOCATION();
}
const SourceLocationHolder kLocation = MONGO_SOURCE_LOCATION_NO_FUNC();
struct StructWithDefaultInitContextMember {
const SourceLocationHolder location = MONGO_SOURCE_LOCATION_NO_FUNC();
};
#define CALL_MONGO_SOURCE_LOCATION() MONGO_SOURCE_LOCATION()
TEST(SourceLocation, CorrectLineNumber) {
using LineT = std::invoke_result_t<decltype(&SourceLocation::line), SourceLocation>;
ASSERT_EQ(MONGO_SOURCE_LOCATION().line(), static_cast<LineT>(__LINE__));
}
TEST(SourceLocation, InlineVariable) {
SourceLocationHolder inlineLocation1 = MONGO_SOURCE_LOCATION();
SourceLocationHolder inlineLocation2 = MONGO_SOURCE_LOCATION();
SourceLocationHolder inlineLocation3 = MONGO_SOURCE_LOCATION();
// Each location should have the same filename
ASSERT_EQ(inlineLocation1.file_name(), inlineLocation2.file_name());
ASSERT_EQ(inlineLocation1.file_name(), inlineLocation3.file_name());
// The line numbers for each location should increase monotonically when inline
ASSERT_LT(inlineLocation1.line(), inlineLocation2.line());
ASSERT_LT(inlineLocation2.line(), inlineLocation3.line());
unittest::log() << inlineLocation1;
unittest::log() << inlineLocation2;
unittest::log() << inlineLocation3;
}
TEST(SourceLocation, LocalFunction) {
SourceLocationHolder inlineLocation1 = MONGO_SOURCE_LOCATION();
SourceLocationHolder localFunctionLocation1 = makeLocalFunctionSourceLocationForTest();
SourceLocationHolder localFunctionLocation2 = makeLocalFunctionSourceLocationForTest();
// The inline location should have the same file name but a later line
ASSERT_EQ(inlineLocation1.file_name(), localFunctionLocation1.file_name());
ASSERT_GT(inlineLocation1.line(), localFunctionLocation1.line());
// The two local function locations should be identical
ASSERT_EQ(localFunctionLocation1, localFunctionLocation2);
unittest::log() << inlineLocation1;
unittest::log() << localFunctionLocation1;
unittest::log() << localFunctionLocation2;
}
TEST(SourceLocation, HeaderFunction) {
SourceLocationHolder inlineLocation1 = MONGO_SOURCE_LOCATION();
SourceLocationHolder headerLocation1 = makeHeaderSourceLocationForTest();
SourceLocationHolder headerLocation2 = makeHeaderSourceLocationForTest();
// The inline location should have a different file name
ASSERT_NE(inlineLocation1.file_name(), headerLocation1.file_name());
// The two header locations should be identical
ASSERT_EQ(headerLocation1, headerLocation2);
unittest::log() << inlineLocation1;
unittest::log() << headerLocation1;
unittest::log() << headerLocation2;
}
TEST(SourceLocation, GlobalVariable) {
SourceLocationHolder inlineLocation1 = MONGO_SOURCE_LOCATION();
// The inline location should have the same file name but a later line
ASSERT_EQ(inlineLocation1.file_name(), kLocation.file_name());
ASSERT_GT(inlineLocation1.line(), kLocation.line());
unittest::log() << inlineLocation1;
unittest::log() << kLocation;
}
TEST(SourceLocation, DefaultStructMember) {
SourceLocationHolder inlineLocation1 = MONGO_SOURCE_LOCATION();
StructWithDefaultInitContextMember obj1;
StructWithDefaultInitContextMember obj2;
// The inline location should have the same file name but a later line
ASSERT_EQ(inlineLocation1.file_name(), obj1.location.file_name());
ASSERT_GT(inlineLocation1.line(), obj1.location.line());
// The two default ctor'd struct member locations should be identical
ASSERT_EQ(obj1.location, obj2.location);
unittest::log() << inlineLocation1;
unittest::log() << obj1.location;
unittest::log() << obj2.location;
}
TEST(SourceLocation, Macro) {
SourceLocationHolder inlineLocation1 = MONGO_SOURCE_LOCATION();
SourceLocationHolder inlineLocation2 = CALL_MONGO_SOURCE_LOCATION();
// Each location should have the same filename
ASSERT_EQ(inlineLocation1.file_name(), inlineLocation2.file_name());
// The line numbers for each location should increase monotonically when inline
ASSERT_LT(inlineLocation1.line(), inlineLocation2.line());
unittest::log() << inlineLocation1;
unittest::log() << inlineLocation2;
}
TEST(SourceLocation, Constexpr) {
constexpr SourceLocationHolder inlineLocation1 = MONGO_SOURCE_LOCATION();
constexpr SourceLocationHolder inlineLocation2 = MONGO_SOURCE_LOCATION();
static_assert((inlineLocation1.line() + 1) == inlineLocation2.line());
static_assert(inlineLocation1.column() == inlineLocation2.column());
static_assert(areEqual(inlineLocation1.file_name(), inlineLocation2.file_name()));
static_assert(areEqual(inlineLocation1.function_name(), inlineLocation2.function_name()));
constexpr auto localFunctionLocation = makeLocalFunctionSourceLocationForTest();
static_assert(inlineLocation1.line() > localFunctionLocation.line());
static_assert(areEqual(inlineLocation1.file_name(), localFunctionLocation.file_name()));
static_assert(
!areEqual(inlineLocation1.function_name(), localFunctionLocation.function_name()));
constexpr auto headerLocation = makeHeaderSourceLocationForTest();
static_assert(!areEqual(inlineLocation1.file_name(), headerLocation.file_name()));
static_assert(!areEqual(inlineLocation1.function_name(), headerLocation.function_name()));
}
} // namespace
} // namespace mongo
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