Added new Configuration classes

src/test/java/org/bukkit/configuration/file/YamlConfigurationTest.java

@@ -0,0 +1,62 @@
+package org.bukkit.configuration.file;
+
+import java.util.Map;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+public  class YamlConfigurationTest extends FileConfigurationTest {
+    @Override
+    public YamlConfiguration getConfig() {
+        return new YamlConfiguration();
+    }
+    
+    @Override
+    public String getTestValuesString() {
+        return "integer: -2147483648\n" +
+            "string: String Value\n" +
+            "long: 9223372036854775807\n" +
+            "true-boolean: true\n" +
+            "false-boolean: false\n" +
+            "vector:\n" +
+            "  ==: Vector\n" +
+            "  x: 12345.67\n" +
+            "  y: 64.0\n" +
+            "  z: -12345.6789\n" +
+            "list:\n" + 
+            "- 1\n" + 
+            "- 2\n" + 
+            "- 3\n" + 
+            "- 4\n" + 
+            "- 5\n";
+    }
+
+    @Test
+    public void testSaveToStringWithheader() {
+        YamlConfiguration config = getConfig();
+        config.options().header("This is a sample\nheader.");
+        
+        for (Map.Entry<String, Object> entry : getTestValues().entrySet()) {
+            config.set(entry.getKey(), entry.getValue());
+        }
+        
+        String result = config.saveToString();
+        String expected = "# This is a sample\n# header.\n" + getTestValuesString();
+        
+        assertEquals(expected, result);
+    }
+
+    @Test
+    public void testSaveToStringWithIndent() {
+        YamlConfiguration config = getConfig();
+        config.options().indent(9);
+        
+        config.set("section.key", 1);
+        
+        String result = config.saveToString();
+        String expected = "section:\n         key: 1\n";
+        
+        System.out.println(result);
+        
+        assertEquals(expected, result);
+    }
+}