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diff --git a/tests/unit/unittest/lastchangedrowid-test.cpp b/tests/unit/unittest/lastchangedrowid-test.cpp
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+++ b/tests/unit/unittest/lastchangedrowid-test.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2020 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 "mocksqlitedatabase.h"
+
+#include <lastchangedrowid.h>
+
+namespace {
+
+class LastChangedRowId : public testing::Test
+{
+protected:
+    NiceMock<MockSqliteDatabase> mockSqliteDatabase;
+    Sqlite::LastChangedRowId<1> lastRowId{mockSqliteDatabase, "main", "foo"};
+};
+
+TEST_F(LastChangedRowId, SetUpdateHookInContructor)
+{
+    EXPECT_CALL(mockSqliteDatabase, setUpdateHook(_, _));
+
+    Sqlite::LastChangedRowId<1> lastRowId{mockSqliteDatabase, "main", "foo"};
+}
+
+TEST_F(LastChangedRowId, ResetUpdateHookInDestructor)
+{
+    EXPECT_CALL(mockSqliteDatabase, resetUpdateHook());
+}
+
+TEST_F(LastChangedRowId, GetMinusOneAsRowIdIfNoCallbackWasCalled)
+{
+    ASSERT_THAT(lastRowId.lastRowId, -1);
+}
+
+TEST_F(LastChangedRowId, CallbackSetsLastRowId)
+{
+    lastRowId("main", "foo", 42);
+
+    ASSERT_THAT(lastRowId.lastRowId, 42);
+}
+
+TEST_F(LastChangedRowId, CallbackChecksDatabaseName)
+{
+    lastRowId("main", "foo", 33);
+
+    lastRowId("temp", "foo", 42);
+
+    ASSERT_THAT(lastRowId.lastRowId, 33);
+}
+
+TEST_F(LastChangedRowId, CallbackChecksTableName)
+{
+    lastRowId("main", "foo", 33);
+
+    lastRowId("main", "bar", 42);
+
+    ASSERT_THAT(lastRowId.lastRowId, 33);
+}
+
+TEST_F(LastChangedRowId, LastCallSetsRowId)
+{
+    lastRowId("main", "foo", 42);
+    lastRowId("main", "foo", 33);
+
+    lastRowId("main", "foo", 66);
+
+    ASSERT_THAT(lastRowId.lastRowId, 66);
+}
+
+TEST_F(LastChangedRowId, TakeLastRowId)
+{
+    lastRowId("main", "foo", 42);
+
+    auto id = lastRowId.takeLastRowId();
+
+    ASSERT_THAT(id, 42);
+}
+
+TEST_F(LastChangedRowId, TakeLastRowIdResetsRowIdToMinusOne)
+{
+    lastRowId("main", "foo", 42);
+    lastRowId.takeLastRowId();
+
+    auto id = lastRowId.takeLastRowId();
+
+    ASSERT_THAT(id, -1);
+}
+
+class LastChangedRowIdWithTwoTables : public testing::Test
+{
+protected:
+    NiceMock<MockSqliteDatabase> mockSqliteDatabase;
+
+    Sqlite::LastChangedRowId<2> lastRowId{mockSqliteDatabase, "main", "foo", "bar"};
+};
+
+TEST_F(LastChangedRowIdWithTwoTables, SetUpdateHookInContructor)
+{
+    EXPECT_CALL(mockSqliteDatabase, setUpdateHook(_, _));
+
+    Sqlite::LastChangedRowId<2> lastRowId{mockSqliteDatabase, "main", "foo", "bar"};
+}
+
+TEST_F(LastChangedRowIdWithTwoTables, ResetUpdateHookInDestructor)
+{
+    EXPECT_CALL(mockSqliteDatabase, resetUpdateHook());
+}
+
+TEST_F(LastChangedRowIdWithTwoTables, GetMinusOneAsRowIdIfNoCallbackWasCalled)
+{
+    ASSERT_THAT(lastRowId.lastRowId, -1);
+}
+
+TEST_F(LastChangedRowIdWithTwoTables, CallbackSetsLastRowIdFirstTable)
+{
+    lastRowId("main", "foo", 42);
+
+    ASSERT_THAT(lastRowId.lastRowId, 42);
+}
+
+TEST_F(LastChangedRowIdWithTwoTables, CallbackSetsLastRowIdSecondTable)
+{
+    lastRowId("main", "bar", 66);
+
+    ASSERT_THAT(lastRowId.lastRowId, 66);
+}
+
+TEST_F(LastChangedRowIdWithTwoTables, CallbackChecksDatabaseName)
+{
+    lastRowId("main", "foo", 33);
+
+    lastRowId("temp", "foo", 42);
+
+    ASSERT_THAT(lastRowId.lastRowId, 33);
+}
+
+TEST_F(LastChangedRowIdWithTwoTables, CallbackChecksTableName)
+{
+    lastRowId("main", "foo", 33);
+
+    lastRowId("main", "zoo", 42);
+
+    ASSERT_THAT(lastRowId.lastRowId, 33);
+}
+
+TEST_F(LastChangedRowIdWithTwoTables, LastCallSetsRowId)
+{
+    lastRowId("main", "foo", 42);
+
+    lastRowId("main", "bar", 66);
+
+    ASSERT_THAT(lastRowId.lastRowId, 66);
+}
+
+TEST_F(LastChangedRowIdWithTwoTables, TakeLastRowId)
+{
+    lastRowId("main", "foo", 42);
+
+    auto id = lastRowId.takeLastRowId();
+
+    ASSERT_THAT(id, 42);
+}
+
+TEST_F(LastChangedRowIdWithTwoTables, TakeLastRowIdResetsRowIdToMinusOne)
+{
+    lastRowId("main", "foo", 42);
+    lastRowId.takeLastRowId();
+
+    auto id = lastRowId.takeLastRowId();
+
+    ASSERT_THAT(id, -1);
+}
+
+class LastChangedRowIdWithThreeTables : public testing::Test
+{
+protected:
+    NiceMock<MockSqliteDatabase> mockSqliteDatabase;
+
+    Sqlite::LastChangedRowId<3> lastRowId{mockSqliteDatabase, "main", "foo", "bar", "too"};
+};
+
+TEST_F(LastChangedRowIdWithThreeTables, SetUpdateHookInContructor)
+{
+    EXPECT_CALL(mockSqliteDatabase, setUpdateHook(_, _));
+
+    Sqlite::LastChangedRowId<3> lastRowId{mockSqliteDatabase, "main", "foo", "bar", "too"};
+}
+
+TEST_F(LastChangedRowIdWithThreeTables, ResetUpdateHookInDestructor)
+{
+    EXPECT_CALL(mockSqliteDatabase, resetUpdateHook());
+}
+
+TEST_F(LastChangedRowIdWithThreeTables, GetMinusOneAsRowIdIfNoCallbackWasCalled)
+{
+    ASSERT_THAT(lastRowId.lastRowId, -1);
+}
+
+TEST_F(LastChangedRowIdWithThreeTables, CallbackSetsLastRowIdFirstTable)
+{
+    lastRowId("main", "foo", 42);
+
+    ASSERT_THAT(lastRowId.lastRowId, 42);
+}
+
+TEST_F(LastChangedRowIdWithThreeTables, CallbackSetsLastRowIdSecondTable)
+{
+    lastRowId("main", "bar", 42);
+
+    ASSERT_THAT(lastRowId.lastRowId, 42);
+}
+
+TEST_F(LastChangedRowIdWithThreeTables, CallbackSetsLastRowIdThirdTable)
+{
+    lastRowId("main", "too", 42);
+
+    ASSERT_THAT(lastRowId.lastRowId, 42);
+}
+
+TEST_F(LastChangedRowIdWithThreeTables, CallbackChecksDatabaseName)
+{
+    lastRowId("main", "foo", 33);
+
+    lastRowId("temp", "foo", 42);
+
+    ASSERT_THAT(lastRowId.lastRowId, 33);
+}
+
+TEST_F(LastChangedRowIdWithThreeTables, CallbackChecksTableName)
+{
+    lastRowId("main", "foo", 33);
+
+    lastRowId("main", "zoo", 42);
+
+    ASSERT_THAT(lastRowId.lastRowId, 33);
+}
+
+TEST_F(LastChangedRowIdWithThreeTables, LastCallSetsRowId)
+{
+    lastRowId("main", "bar", 42);
+    lastRowId("main", "too", 33);
+
+    lastRowId("main", "too", 66);
+
+    ASSERT_THAT(lastRowId.lastRowId, 66);
+}
+
+TEST_F(LastChangedRowIdWithThreeTables, TakeLastRowId)
+{
+    lastRowId("main", "foo", 42);
+
+    auto id = lastRowId.takeLastRowId();
+
+    ASSERT_THAT(id, 42);
+}
+
+TEST_F(LastChangedRowIdWithThreeTables, TakeLastRowIdResetsRowIdToMinusOne)
+{
+    lastRowId("main", "foo", 42);
+    lastRowId.takeLastRowId();
+
+    auto id = lastRowId.takeLastRowId();
+
+    ASSERT_THAT(id, -1);
+}
+
+class LastChangedRowIdWithNoDatabaseAndTable : public testing::Test
+{
+protected:
+    NiceMock<MockSqliteDatabase> mockSqliteDatabase;
+    Sqlite::LastChangedRowId<> lastRowId{mockSqliteDatabase};
+};
+
+TEST_F(LastChangedRowIdWithNoDatabaseAndTable, SetUpdateHookInContructor)
+{
+    EXPECT_CALL(mockSqliteDatabase, setUpdateHook(_, _));
+
+    Sqlite::LastChangedRowId<> lastRowId{mockSqliteDatabase};
+}
+
+TEST_F(LastChangedRowIdWithNoDatabaseAndTable, ResetUpdateHookInDestructor)
+{
+    EXPECT_CALL(mockSqliteDatabase, resetUpdateHook());
+}
+
+TEST_F(LastChangedRowIdWithNoDatabaseAndTable, GetMinusOneAsRowIdIfNoCallbackWasCalled)
+{
+    ASSERT_THAT(lastRowId.lastRowId, -1);
+}
+
+TEST_F(LastChangedRowIdWithNoDatabaseAndTable, CallbackSetsLastRowId)
+{
+    lastRowId(42);
+
+    ASSERT_THAT(lastRowId.lastRowId, 42);
+}
+
+TEST_F(LastChangedRowIdWithNoDatabaseAndTable, LastCallSetsRowId)
+{
+    lastRowId(42);
+    lastRowId(33);
+
+    lastRowId(66);
+
+    ASSERT_THAT(lastRowId.lastRowId, 66);
+}
+
+TEST_F(LastChangedRowIdWithNoDatabaseAndTable, TakeLastRowId)
+{
+    lastRowId(42);
+
+    auto id = lastRowId.takeLastRowId();
+
+    ASSERT_THAT(id, 42);
+}
+
+TEST_F(LastChangedRowIdWithNoDatabaseAndTable, TakeLastRowIdResetsRowIdToMinusOne)
+{
+    lastRowId(42);
+    lastRowId.takeLastRowId();
+
+    auto id = lastRowId.takeLastRowId();
+
+    ASSERT_THAT(id, -1);
+}
+
+class LastChangedRowIdWithNoTable : public testing::Test
+{
+protected:
+    NiceMock<MockSqliteDatabase> mockSqliteDatabase;
+    Sqlite::LastChangedRowId<> lastRowId{mockSqliteDatabase, "main"};
+};
+
+TEST_F(LastChangedRowIdWithNoTable, SetUpdateHookInContructor)
+{
+    EXPECT_CALL(mockSqliteDatabase, setUpdateHook(_, _));
+
+    Sqlite::LastChangedRowId<> lastRowId{mockSqliteDatabase, "main"};
+}
+
+TEST_F(LastChangedRowIdWithNoTable, ResetUpdateHookInDestructor)
+{
+    EXPECT_CALL(mockSqliteDatabase, resetUpdateHook());
+}
+
+TEST_F(LastChangedRowIdWithNoTable, GetMinusOneAsRowIdIfNoCallbackWasCalled)
+{
+    ASSERT_THAT(lastRowId.lastRowId, -1);
+}
+
+TEST_F(LastChangedRowIdWithNoTable, CallbackSetsLastRowId)
+{
+    lastRowId("main", 42);
+
+    ASSERT_THAT(lastRowId.lastRowId, 42);
+}
+
+TEST_F(LastChangedRowIdWithNoTable, CallbackChecksDatabaseName)
+{
+    lastRowId("main", 33);
+
+    lastRowId("temp", 42);
+
+    ASSERT_THAT(lastRowId.lastRowId, 33);
+}
+
+TEST_F(LastChangedRowIdWithNoTable, LastCallSetsRowId)
+{
+    lastRowId("main", 42);
+    lastRowId("main", 33);
+
+    lastRowId("main", 66);
+
+    ASSERT_THAT(lastRowId.lastRowId, 66);
+}
+
+TEST_F(LastChangedRowIdWithNoTable, TakeLastRowId)
+{
+    lastRowId("main", 42);
+
+    auto id = lastRowId.takeLastRowId();
+
+    ASSERT_THAT(id, 42);
+}
+
+TEST_F(LastChangedRowIdWithNoTable, TakeLastRowIdResetsRowIdToMinusOne)
+{
+    lastRowId("main", 42);
+    lastRowId.takeLastRowId();
+
+    auto id = lastRowId.takeLastRowId();
+
+    ASSERT_THAT(id, -1);
+}
+
+TEST_F(LastChangedRowIdWithNoTable, LastRowIdIsNotValidForNegativeValues)
+{
+    auto isValid = lastRowId.lastRowIdIsValid();
+
+    ASSERT_FALSE(isValid);
+}
+
+TEST_F(LastChangedRowIdWithNoTable, LastRowIdIsValidForNull)
+{
+    lastRowId("main", 0);
+
+    auto isValid = lastRowId.lastRowIdIsValid();
+
+    ASSERT_TRUE(isValid);
+}
+
+TEST_F(LastChangedRowIdWithNoTable, LastRowIdIsValidForPositiveValues)
+{
+    lastRowId("main", 777);
+
+    auto isValid = lastRowId.lastRowIdIsValid();
+
+    ASSERT_TRUE(isValid);
+}
+
+} // namespace