diff --git a/tools/chatgui/CMakeLists.txt b/tools/chatgui/CMakeLists.txt
index 92c91a95..b2921621 100644
--- a/tools/chatgui/CMakeLists.txt
+++ b/tools/chatgui/CMakeLists.txt
@@ -469,6 +469,11 @@ endif()
 
 enable_testing()
 
+add_executable(test_channel_delegate tests/test_channel_delegate.cpp src/channeldelegate.cpp)
+target_link_libraries(test_channel_delegate PRIVATE ${QT_LIBS} ${QT_TEST_LIB} utun pthread ${CMAKE_DL_LIBS})
+add_test(NAME test_channel_delegate COMMAND test_channel_delegate)
+set_tests_properties(test_channel_delegate PROPERTIES ENVIRONMENT "QT_QPA_PLATFORM=offscreen" TIMEOUT 15)
+
 add_executable(test_single_instance tests/test_single_instance.cpp src/single_instance.cpp)
 target_link_libraries(test_single_instance PRIVATE ${QT_LIBS} ${QT_TEST_LIB} utun pthread ${CMAKE_DL_LIBS})
 if(WIN32)
diff --git a/tools/chatgui/tests/test_channel_delegate.cpp b/tools/chatgui/tests/test_channel_delegate.cpp
new file mode 100644
index 00000000..052143b5
--- /dev/null
+++ b/tools/chatgui/tests/test_channel_delegate.cpp
@@ -0,0 +1,100 @@
+/* Рисование настоящего делегата: границы строки, pixel-шрифты и цвета состояния. */
+#include "../src/channeldelegate.h"
+#include <QtTest>
+#include <QPainter>
+#include <QScopeGuard>
+#include <QStandardItemModel>
+
+class ChannelDelegateTest : public QObject {
+    Q_OBJECT
+private slots:
+    void bounds_data() {
+        QTest::addColumn<int>("width");
+        QTest::addColumn<bool>("section");
+        QTest::addColumn<bool>("pixelFont");
+        for (int width : {16, 80, 240}) {
+            for (bool section : {false, true}) {
+                for (bool pixelFont : {false, true})
+                    QTest::newRow(qPrintable(QString("%1-section%2-pixel%3").arg(width).arg(section).arg(pixelFont)))
+                        << width << section << pixelFont;
+            }
+        }
+    }
+
+    void bounds() {
+        QFETCH(int, width); QFETCH(bool, section); QFETCH(bool, pixelFont);
+        QStandardItemModel model(1, 1);
+        const QModelIndex index = model.index(0, 0);
+        model.setData(index, QString(500, 'N'), ChannelNameRole);
+        model.setData(index, QString(500, 'W') + ": body\nsecond line", ChannelLastMessageRole);
+        model.setData(index, 100, ChannelUnreadCountRole);
+        model.setData(index, 10, ChannelPeersOnlineRole);
+        model.setData(index, section, ChannelIsSectionRole);
+        QStyleOptionViewItem option;
+        option.rect = QRect(20, 20, width, 56);
+        option.font = QApplication::font();
+        if (pixelFont) option.font.setPixelSize(14);
+        option.state = QStyle::State_Enabled | QStyle::State_Selected;
+        QImage image(600, 120, QImage::Format_ARGB32_Premultiplied);
+        const QColor sentinel(17, 41, 73);
+        image.fill(sentinel);
+        QPainter painter(&image);
+        painter.setPen(Qt::magenta);
+        painter.setFont(option.font);
+        painter.setClipRect(image.rect().adjusted(1, 1, -1, -1));
+        const QRegion clip = painter.clipRegion();
+        const QFont font = painter.font();
+        const QPen pen = painter.pen();
+        static QStringList fontWarnings;
+        fontWarnings.clear();
+        const auto oldHandler = qInstallMessageHandler([](QtMsgType type, const QMessageLogContext &, const QString &text) {
+            if (type == QtWarningMsg && text.startsWith("QFont::")) fontWarnings.append(text);
+        });
+        auto restoreHandler = qScopeGuard([&] { qInstallMessageHandler(oldHandler); });
+        ChannelDelegate delegate;
+        delegate.paint(&painter, option, index);
+        QCOMPARE(painter.clipRegion(), clip);
+        QCOMPARE(painter.font(), font);
+        QCOMPARE(painter.pen(), pen);
+        painter.end();
+        QVERIFY2(fontWarnings.isEmpty(), qPrintable(fontWarnings.join('\n')));
+        for (int y = 0; y < image.height(); y++) {
+            for (int x = 0; x < image.width(); x++) {
+                if (!option.rect.contains(x, y))
+                    QVERIFY2(image.pixelColor(x, y) == sentinel, qPrintable(QString("paint escaped row at %1,%2").arg(x).arg(y)));
+            }
+        }
+        QCOMPARE(delegate.sizeHint(option, index), QSize(200, 56));
+    }
+
+    void statusColors() {
+        QStandardItemModel model(1, 1);
+        const QModelIndex index = model.index(0, 0);
+        QStyleOptionViewItem option;
+        option.rect = QRect(0, 0, 240, 56);
+        option.font = QApplication::font();
+        ChannelDelegate delegate;
+        const auto render = [&] {
+            QImage image(option.rect.size(), QImage::Format_ARGB32_Premultiplied);
+            image.fill(Qt::transparent);
+            QPainter painter(&image);
+            delegate.paint(&painter, option, index);
+            return image;
+        };
+        model.setData(index, 1, ChannelPeersOnlineRole);
+        QCOMPARE(render().pixelColor(1, 28), QColor("#4CAF50"));
+        model.setData(index, 0, ChannelPeersOnlineRole);
+        model.setData(index, true, ChannelAutoConnectActiveRole);
+        QCOMPARE(render().pixelColor(1, 28), QColor("#FFC107"));
+        model.setData(index, false, ChannelAutoConnectActiveRole);
+        QCOMPARE(render().pixelColor(1, 28), option.palette.base().color());
+        model.setData(index, "dm:conversation", ChannelChannelIdRole);
+        model.setData(index, false, ChannelDmOnlineRole);
+        QCOMPARE(render().pixelColor(16, 14), QColor("#E53935"));
+        model.setData(index, true, ChannelDmOnlineRole);
+        QCOMPARE(render().pixelColor(16, 14), QColor("#4CAF50"));
+    }
+};
+
+QTEST_MAIN(ChannelDelegateTest)
+#include "test_channel_delegate.moc"