core/scriptmodel: add expression model for unique lists

src/core/test/scriptmodel.hpp

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <qdebug.h>
+#include <qobject.h>
+#include <qtmetamacros.h>
+#include <qtypes.h>
+
+struct ModelOperation {
+	enum Enum : quint8 {
+		Insert,
+		Remove,
+		Move,
+	};
+
+	ModelOperation(Enum operation, qint32 index, qint32 length, qint32 destIndex = -1)
+	    : operation(operation)
+	    , index(index)
+	    , length(length)
+	    , destIndex(destIndex) {}
+
+	Enum operation;
+	qint32 index = 0;
+	qint32 length = 0;
+	qint32 destIndex = -1;
+
+	[[nodiscard]] bool operator==(const ModelOperation& other) const;
+};
+
+QDebug& operator<<(QDebug& debug, const ModelOperation& op);
+
+class TestScriptModel: public QObject {
+	Q_OBJECT;
+
+private slots:
+	static void unique_data(); // NOLINT
+	static void unique();
+};