diff --git a/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building0Test.java b/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building0Test.java
index f0c5efe..1145cd4 100644
--- a/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building0Test.java
+++ b/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building0Test.java
@@ -16,8 +16,8 @@ class Building0Test {
         // Corretta creazione / esecuzione building card
         Building0 b0 = new Building0(1, 1);
         Player p = new Player("test");
+        p.addFood(b0.getPrice());
         b0.buy(p);
-        p.buildingCards.add(b0);
         b0.applyEffect(p);
 
         assertEquals(0, p.getFoodValue());
diff --git a/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building10Test.java b/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building10Test.java
new file mode 100644
index 0000000..80d673b
--- /dev/null
+++ b/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building10Test.java
@@ -0,0 +1,69 @@
+package it.polimi.ingsw.gc14.Model.Cards.Building.Effects;
+
+import it.polimi.ingsw.gc14.Model.Cards.TribeCard;
+import it.polimi.ingsw.gc14.Model.Cards.TribeCards.Characters.*;
+import it.polimi.ingsw.gc14.Model.Cards.TribeCards.Events.Hunt;
+import it.polimi.ingsw.gc14.Model.Player;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class Building10Test {
+
+    @Test
+    void applyEffect() {
+        Building10 b10 = new Building10(1, 1);
+        Player p = new Player("test");
+        p.addPrestige(b10.getPrice());
+        b10.buy(p);
+
+        int Era = 1;
+        int Nset = 2;
+
+        ArrayList<Artist> Artists = new ArrayList<>();
+        ArrayList<Builder> Builders = new ArrayList<>();
+        ArrayList<Gatherers> Gatherers = new ArrayList<>();
+        ArrayList<Hunter> Hunters = new ArrayList<>();
+        ArrayList<Inventor> Inventors = new ArrayList<>();
+        ArrayList<Shaman> Shamans = new ArrayList<>();
+
+        for(int i = 1; i < Nset; i++) {
+            Artists.add(new Artist(Era));
+            Builders.add(new Builder(Era, 0, 0));
+            Gatherers.add(new Gatherers(Era));
+            Hunters.add(new Hunter(Era, true));
+            Inventors.add(new Inventor(Era, 1));
+            Shamans.add(new Shaman(Era, 1));
+        }
+
+        p.artists.addAll(Artists);
+        p.builders.addAll(Builders);
+        p.gatherers.addAll(Gatherers);
+        p.hunters.addAll(Hunters);
+        p.inventors.addAll(Inventors);
+        p.shamans.addAll(Shamans);
+        b10.applyEffect(p);
+
+        assertEquals(Nset * 6, p.getFoodValue());
+    }
+
+    @Test
+    void applyEffectException() {
+        assertThrows(IllegalArgumentException.class, () -> {
+            Building10 b10 = new Building10(1, 1);
+            Player p = new Player("test");
+            b10.applyEffect(p);
+        });
+    }
+
+    @Test
+    void applyEffectMultiplePlayerException() {
+            Building10 b10 = new Building10(1, 1);
+            Player p1 = new Player("test1");
+            Player p2 = new Player("test2");
+            b10.buy(p1);
+            assertFalse(b10.buy(p2));
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building13Test.java b/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building13Test.java
index f3367e7..a645164 100644
--- a/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building13Test.java
+++ b/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building13Test.java
@@ -41,6 +41,8 @@ class Building13Test {
         Player p1 = new Player("gigi");
         p1.addPrestige(10);
         Building13 b1 = new Building13(1, 10);
+        b1.buy(p1);
+        p1.buildingCards.add(b1);
         b1.applyEffect(p1);
         assertEquals(35, p1.getPrestigeValue());
     }
diff --git a/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building8Test.java b/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building8Test.java
new file mode 100644
index 0000000..cf73767
--- /dev/null
+++ b/src/test/java/it/polimi/ingsw/gc14/Model/Cards/Building/Effects/Building8Test.java
@@ -0,0 +1,34 @@
+package it.polimi.ingsw.gc14.Model.Cards.Building.Effects;
+
+import it.polimi.ingsw.gc14.Model.Cards.TribeCards.Characters.Builder;
+import it.polimi.ingsw.gc14.Model.Player;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class Building8Test {
+
+    @Test
+    void applyEffect() {
+        Building8 b8 = new Building8(1, 1);
+        Player p = new Player("test");
+        p.addFood(b8.getPrice());
+        b8.buy(p);
+
+        int Era = 1;
+        int PrestigeMul = 1;
+        Builder builder1 = new Builder(Era, 1, PrestigeMul);
+        p.builders.add(builder1);
+
+        b8.applyEffect(p);
+
+        assertEquals(1, p.buildingCards.stream().filter(x -> x.getEffectId() == 8).count());
+        assertEquals(PrestigeMul * 2 * p.buildingCards.stream().filter(x -> x.getEffectId() == 8).count(), p.getPrestigeValue());
+
+        Builder b2 = new Builder(Era, 1, PrestigeMul);
+        p.builders.add(b2);
+        b8.applyEffect(p);
+
+        assertEquals(2 + 4, p.getPrestigeValue());
+    }
+}
\ No newline at end of file