Reuse FileUtils in tests

Author: garydgregory

src/test/java/org/apache/commons/csv/PerformanceTest.java

@@ -33,6 +33,7 @@
 import java.nio.file.Paths;
 import java.util.zip.GZIPInputStream;
 
+import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.IOUtils;
 
 /**
@@ -82,7 +83,7 @@ private static class Stats {
 
     private static final String TEST_RESRC = "org/apache/commons/csv/perf/worldcitiespop.txt.gz";
 
-    private static final File BIG_FILE = new File(System.getProperty("java.io.tmpdir"), "worldcitiespop.txt");
+    private static final File BIG_FILE = new File(FileUtils.getTempDirectoryPath(), "worldcitiespop.txt");
 
     private static Reader createReader() throws IOException {
         return new InputStreamReader(new FileInputStream(BIG_FILE), StandardCharsets.ISO_8859_1);

src/test/java/org/apache/commons/csv/perf/PerformanceTest.java

@@ -31,6 +31,7 @@
 import org.apache.commons.csv.CSVFormat;
 import org.apache.commons.csv.CSVParser;
 import org.apache.commons.csv.CSVRecord;
+import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.IOUtils;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
@@ -45,7 +46,7 @@ public class PerformanceTest {
 
     private static final String TEST_RESRC = "org/apache/commons/csv/perf/worldcitiespop.txt.gz";
 
-    private static final File BIG_FILE = new File(System.getProperty("java.io.tmpdir"), "worldcitiespop.txt");
+    private static final File BIG_FILE = new File(FileUtils.getTempDirectoryPath(), "worldcitiespop.txt");
     @BeforeAll
     public static void setUpClass() throws FileNotFoundException, IOException {
         if (BIG_FILE.exists()) {