Add test for native - not sure this is correct

sconfig/native/src/main/scala/java/net/URLConnection.scala

@@ -1,16 +1,14 @@
 package java.net
 
-import scalanative.annotation.stub
-
 class URLConnection {
-  @stub
+
   def getLastModified(): scala.Long = ???
-  @stub
+
   def connect(): Unit = ???
-  @stub
+
   def getContentType(): String = ???
-  @stub
+
   def getInputStream(): java.io.InputStream = ???
-  @stub
+
   def setRequestProperty(key: String, value: String): Unit = ???
 }

sconfig/native/src/test/scala/org/ekrich/config/impl/ConfigDocumentFactoryJvmTest.scala

@@ -0,0 +1,44 @@
+package org.ekrich.config.impl
+
+import java.io.{BufferedReader, FileReader}
+
+import org.ekrich.config.parser._
+import org.junit.Assert._
+import org.junit.Test
+
+import FileUtils._
+
+class ConfigDocumentFactoryJvmTest extends TestUtils {
+
+  @Test
+  def configDocumentFileParse: Unit = {
+    val configDocument =
+      ConfigDocumentFactory.parseFile(resourceFile("/test03.conf"))
+    val fileReader = new BufferedReader(
+      new FileReader("src/test/resources/test03.conf")
+    )
+    var line = fileReader.readLine()
+    val sb = new StringBuilder()
+    while (line != null) {
+      sb.append(line)
+      sb.append("\n")
+      line = fileReader.readLine()
+    }
+    fileReader.close()
+    val fileText = sb.toString()
+    assertEquals(fileText, defaultLineEndingsToUnix(configDocument.render))
+  }
+
+  private def defaultLineEndingsToUnix(s: String): String =
+    s.replaceAll(System.lineSeparator(), "\n")
+
+  @Test
+  def configDocumentReaderParse: Unit = {
+    val configDocument = ConfigDocumentFactory.parseReader(
+      new FileReader(resourceFile("/test03.conf"))
+    )
+    val configDocumentFile =
+      ConfigDocumentFactory.parseFile(resourceFile("/test03.conf"))
+    assertEquals(configDocumentFile.render, configDocument.render)
+  }
+}