Add test for LtsTimelineClassic EventTools.cpp

- Add test_eventtools.cpp with 9 tests
- Test time conversion, validation, position/time calculation
- Test draw methods with EXPECT_NO_THROW
- Follow policy naming convention

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

qt6-after/qt6-migrated-benchmark/tests/test_eventtools.cpp

@@ -0,0 +1,105 @@
+#include "Lts/Common/LtsTimelineClassic/Event.h"
+#include "Lts/Common/LtsTimelineClassic/EventGraphic.h"
+#include "Lts/Common/LtsTimelineClassic/EventTools.h"
+
+#include <QPainter>
+#include <QPixmap>
+#include <gtest/gtest.h>
+
+namespace LtsTimelineClassic
+{
+
+class EventToolsTest : public ::testing::Test
+{
+  protected:
+    void SetUp() override {}
+
+    void TearDown() override {}
+};
+
+TEST(EventToolsTest, FromMsecsToSecondsConvertsCorrectly)
+{
+    qint64 result = EventTools::fromMsecsToSeconds(5000);
+    EXPECT_EQ(result, 5);
+}
+
+TEST(EventToolsTest, FromSecondsToMsecsConvertsCorrectly)
+{
+    qint64 result = EventTools::fromSecondsToMsecs(5);
+    EXPECT_EQ(result, 5000);
+}
+
+TEST(EventToolsTest, SetValuesMakesValidWithPositiveRange)
+{
+    EventTools::setValues(10, 100, 0, 50);
+    EXPECT_TRUE(EventTools::isValid());
+}
+
+TEST(EventToolsTest, GetEventPositionReturnsCorrectPosition)
+{
+    EventTools::setValues(0, 1000, 0, 500);
+    EventTools::setSection(0, 1000);
+
+    int pos = EventTools::getEventPosition(500);
+    EXPECT_GE(pos, 0);
+}
+
+TEST(EventToolsTest, GetEventTimeReturnsCorrectTime)
+{
+    EventTools::setValues(0, 1000, 0, 500);
+    EventTools::setSection(0, 1000);
+
+    qint64 time = EventTools::getEventTime(500);
+    EXPECT_GE(time, 0);
+}
+
+TEST(EventToolsTest, DrawMarkLinesDoesNotCrash)
+{
+    EventTools::setValues(0, 1000, 0, 500);
+    EventTools::setSection(0, 1000);
+
+    Event event1(0, 100, Qt::red);
+    Event event2(500, 100, Qt::blue);
+
+    EventList eventList;
+    eventList.append(&event1);
+    eventList.append(&event2);
+
+    QPixmap pixmap(800, 600);
+    QPainter painter(&pixmap);
+
+    EXPECT_NO_THROW(EventTools::drawMarkLines(&painter, eventList, 600));
+}
+
+TEST(EventToolsTest, DrawEventsDoesNotCrash)
+{
+    EventTools::setValues(0, 1000, 0, 500);
+    EventTools::setSection(0, 1000);
+
+    Event event1(0, 100, Qt::red);
+    EventGraphic graphic1(&event1);
+
+    EventGraphicList graphicList;
+    graphicList.append(&graphic1);
+
+    QPixmap pixmap(800, 600);
+    QPainter painter(&pixmap);
+
+    EXPECT_NO_THROW(EventTools::drawEvents(&painter, graphicList, 0));
+}
+
+TEST(EventToolsTest, GetAdjustedMinReturnsZeroWhenInvalid)
+{
+    EventTools::setValues(0, 0, 0, 0);
+    qint64 min = EventTools::getAdjustedMin();
+    EXPECT_EQ(min, 0);
+}
+
+TEST(EventToolsTest, GetTimelineMinReturnsZeroWhenInvalid)
+{
+    EventTools::setValues(0, 0, 0, 0);
+    qint64 min = EventTools::getTimelineMin();
+    EXPECT_EQ(min, 0);
+}
+
+} // namespace LtsTimelineClassic