add extra tests

.editorconfig

@@ -18,8 +18,8 @@
 root = true
 
 [*]
-indent_size = 4
-ij_continuation_indent_size = 8
+indent_size = 2
+ij_continuation_indent_size = 4
 indent_style = space
 trim_trailing_whitespace = true
 

log4j-api-scala_2.10/src/test/scala/org/apache/logging/log4j/scala/LoggerFunctionCallTest.scala

@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache license, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the license for the specific language governing permissions and
+ * limitations under the license.
+ */
+package org.apache.logging.log4j.scala
+
+import org.junit.runner.RunWith
+import org.scalatest.matchers.should.Matchers
+import org.scalatest.funsuite.AnyFunSuite
+import org.scalatestplus.junit.JUnitRunner
+
+@RunWith(classOf[JUnitRunner])
+class LoggerFunctionCallTest extends AnyFunSuite with Matchers {
+
+  val logger = Logger(classOf[LoggerFunctionCallTest])
+
+  test("interpolated call is not made if log level is not enabled") {
+    var logCount: Int = 0
+
+    def incrementAndGetLogCount(): Int = {
+      logCount += 1
+      logCount
+    }
+
+    logger.debug(s"logCount = ${incrementAndGetLogCount()}")
+    logCount shouldEqual 0
+  }
+
+  test("interpolated call is made if log level is enabled") {
+    var logCount: Int = 0
+
+    def incrementAndGetLogCount(): Int = {
+      logCount += 1
+      logCount
+    }
+
+    logger.error(s"logCount = ${incrementAndGetLogCount()}")
+    logCount shouldEqual 1
+  }
+
+}

log4j-api-scala_2.11/src/test/scala/org/apache/logging/log4j/scala/LoggerFunctionCallTest.scala

@@ -0,0 +1 @@
+../../../../../../../../../log4j-api-scala_2.10/src/test/scala/org/apache/logging/log4j/scala/LoggerFunctionCallTest.scala

log4j-api-scala_2.12/src/test/scala/org/apache/logging/log4j/scala/LoggerFunctionCallTest.scala

@@ -0,0 +1 @@
+../../../../../../../../../log4j-api-scala_2.10/src/test/scala/org/apache/logging/log4j/scala/LoggerFunctionCallTest.scala

log4j-api-scala_2.13/src/test/scala/org/apache/logging/log4j/scala/LoggerFunctionCallTest.scala

@@ -0,0 +1 @@
+../../../../../../../../../log4j-api-scala_2.10/src/test/scala/org/apache/logging/log4j/scala/LoggerFunctionCallTest.scala

log4j-api-scala_3/src/test/scala/org/apache/logging/log4j/scala/LoggerFunctionCallTest.scala

@@ -0,0 +1 @@
+../../../../../../../../../log4j-api-scala_2.10/src/test/scala/org/apache/logging/log4j/scala/LoggerFunctionCallTest.scala