Proxy ItemStack to CraftItemStack

paper-server/src/test/java/io/papermc/paper/configuration/ConfigurationSectionTest.java

@@ -0,0 +1,53 @@
+package io.papermc.paper.configuration;
+
+import org.bukkit.Material;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.support.environment.VanillaFeature;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public abstract class ConfigurationSectionTest {
+    public abstract ConfigurationSection getConfigurationSection();
+
+    @Test
+    public void testGetItemStack_String() {
+        ConfigurationSection section = getConfigurationSection();
+        String key = "exists";
+        ItemStack value = new ItemStack(Material.ACACIA_WOOD, 50);
+
+        section.set(key, value);
+
+        assertEquals(value, section.getItemStack(key));
+        assertNull(section.getString("doesntExist"));
+    }
+
+    @Test
+    public void testGetItemStack_String_ItemStack() {
+        ConfigurationSection section = getConfigurationSection();
+        String key = "exists";
+        ItemStack value = new ItemStack(Material.ACACIA_WOOD, 50);
+        ItemStack def = new ItemStack(Material.STONE, 1);
+
+        section.set(key, value);
+
+        assertEquals(value, section.getItemStack(key, def));
+        assertEquals(def, section.getItemStack("doesntExist", def));
+    }
+
+    @Test
+    public void testIsItemStack() {
+        ConfigurationSection section = getConfigurationSection();
+        String key = "exists";
+        ItemStack value = new ItemStack(Material.ACACIA_WOOD, 50);
+
+        section.set(key, value);
+
+        assertTrue(section.isItemStack(key));
+        assertFalse(section.isItemStack("doesntExist"));
+    }
+}