ReadMatchesFromFile not implemented

The rest is done, and it's unit tests are green

EM-Qual/QualData.cs

@@ -38,9 +38,34 @@ public static class QualData
     /// <returns>True if the line could be parsed successfully; false otherwise</returns>
     public static bool TryParseMatch(string line, out Match? match)
     {
-        // TODO
         match = null;
-        return false;
+        
+        string[] parts = line.Split(';');
+        if (parts.Length != 4)
+        {
+            return false;
+        }
+
+        foreach (var part in parts)
+        {
+            if (part.Length == 0)
+            {
+                return false;
+            }
+        }
+
+        int[] goals = new int[2];
+        if (!int.TryParse(parts[2], out goals[0]) || !int.TryParse(parts[3], out goals[1]))
+        {
+            return false;
+        }
+        if(goals[0] < 0 || goals[1] < 0)
+        {
+            return false;
+        }
+        
+        match = new Match(new TeamResult(parts[0], goals[0]), new TeamResult(parts[1], goals[1]));
+        return true;
     }
 
     /// <summary>
@@ -71,8 +96,22 @@ public static class QualData
     /// <returns>An array of unique country names</returns>
     public static string[] ExtractUniqueCountryNames(Match[] matches)
     {
-        // TODO
-        return [];
+        string[] countryNames = [];
+        foreach (var match in matches)
+        {
+            TeamResult homeTeam = match.HomeTeam;
+            TeamResult guestTeam = match.GuestTeam;
+            if (!IsContained(homeTeam.TeamName, countryNames))
+            {
+                countryNames = countryNames.Append(homeTeam.TeamName).ToArray();
+            }
+            if (!IsContained(guestTeam.TeamName, countryNames))
+            {
+                countryNames = countryNames.Append(guestTeam.TeamName).ToArray();
+            }
+        }
+
+        return countryNames;
     }
 
     /// <summary>