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Clang: Add sources manager

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Indexing source files multiple times is unneeded overhead in many cases.
The source manager is a support class to handle that cases.

Change-Id: Id737eaa9a691c54563279562833493a221eb3431
Reviewed-by: Ivan Donchevskii <ivan.donchevskii@qt.io>
This commit is contained in:
Marco Bubke
2018-08-14 18:30:47 +02:00
parent 5077bf379d
commit 6a541fd692
4 changed files with 249 additions and 2 deletions
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139
tests/unit/unittest/sourcesmanager-test.cpp Normal file
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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "googletest.h"
#include <sourcesmanager.h>
namespace {
class SourcesManager : public testing::Test
{
protected:
ClangBackEnd::SourcesManager sources;
};
TEST_F(SourcesManager, TouchFilePathIdFirstTime)
{
ASSERT_FALSE(sources.alreadyParsed({1, 1}, 56));
}
TEST_F(SourcesManager, TouchFilePathIdTwoTimesWithSameTime)
{
sources.alreadyParsed({1, 1}, 56);
ASSERT_FALSE(sources.alreadyParsed({1, 1}, 56));
}
TEST_F(SourcesManager, TouchFilePathIdSecondTimeWithSameTime)
{
sources.alreadyParsed({1, 1}, 56);
sources.updateModifiedTimeStamps();
ASSERT_TRUE(sources.alreadyParsed({1, 1}, 56));
}
TEST_F(SourcesManager, TouchFilePathIdSecondTimeWithOlderTime)
{
sources.alreadyParsed({1, 1}, 56);
sources.updateModifiedTimeStamps();
ASSERT_TRUE(sources.alreadyParsed({1, 1}, 55));
}
TEST_F(SourcesManager, TouchFilePathIdSecondTimeWithNewerTime)
{
sources.alreadyParsed({1, 1}, 56);
sources.updateModifiedTimeStamps();
ASSERT_FALSE(sources.alreadyParsed({1, 1}, 57));
}
TEST_F(SourcesManager, MultipleFileIds)
{
sources.alreadyParsed({1, 1}, 455);
sources.alreadyParsed({1, 4}, 56);
sources.alreadyParsed({1, 3}, 85);
sources.alreadyParsed({1, 6}, 56);
sources.alreadyParsed({1, 2}, 45);
sources.updateModifiedTimeStamps();
ASSERT_TRUE(sources.alreadyParsed({1, 3}, 85));
}
TEST_F(SourcesManager, UpdateModifiedTimeStampsWithNewerTimeStamp)
{
sources.alreadyParsed({1, 1}, 455);
sources.alreadyParsed({1, 4}, 56);
sources.alreadyParsed({1, 3}, 85);
sources.alreadyParsed({1, 6}, 56);
sources.alreadyParsed({1, 2}, 45);
sources.updateModifiedTimeStamps();
sources.alreadyParsed({1, 3}, 86);
sources.updateModifiedTimeStamps();
ASSERT_TRUE(sources.alreadyParsed({1, 3}, 86));
}
TEST_F(SourcesManager, DontUpdateModifiedTimeStampsWithOlderTimeStamp)
{
sources.alreadyParsed({1, 1}, 455);
sources.alreadyParsed({1, 4}, 56);
sources.alreadyParsed({1, 3}, 85);
sources.alreadyParsed({1, 6}, 56);
sources.alreadyParsed({1, 2}, 45);
sources.updateModifiedTimeStamps();
sources.alreadyParsed({1, 3}, 84);
sources.updateModifiedTimeStamps();
ASSERT_TRUE(sources.alreadyParsed({1, 3}, 85));
}
TEST_F(SourcesManager, ZeroTime)
{
sources.alreadyParsed({1, 1}, 0);
sources.updateModifiedTimeStamps();
ASSERT_TRUE(sources.alreadyParsed({1, 1}, 0));
}
TEST_F(SourcesManager, TimeIsUpdated)
{
sources.alreadyParsed({1, 1}, 56);
sources.alreadyParsed({1, 1}, 57);
sources.updateModifiedTimeStamps();
ASSERT_TRUE(sources.alreadyParsed({1, 1}, 57));
}
}