Merge pull request #1615 from abudevich/fix-csv-generate

Fix csv generate by limit

Author: kingthorin

src/main/java/net/datafaker/service/FakeValuesService.java

@@ -563,7 +563,7 @@ public String csv(String delimiter, char quote, boolean withHeader, int limit, S
         }
         Schema<String, String> schema = Schema.of(fields);
         return CsvTransformer.<String>builder().separator(delimiter).quote(quote).header(withHeader)
-            .build().generate(schema, limit + 1);
+            .build().generate(schema, limit);
     }
 
     /**

src/test/java/net/datafaker/FakerTest.java

@@ -189,8 +189,8 @@ void testLimitForCsvExpression(int limit) {
         String csvFullExpression = faker.expression("#{csv ';','\"','false','" + limit + "','first_name','#{Name.first_name}','last_name','#{Name.last_name}'}");
         String csvShortExpression = faker.expression("#{csv '" + limit + "','first_name','#{Name.first_name}','last_name','#{Name.last_name}'}");
 
-        int numberOfLinesFull = 0;
-        int numberOfLinesShort = 0;
+        int numberOfLinesFull = csvFullExpression.isEmpty() ? 0 : 1;
+        int numberOfLinesShort = numberOfLinesFull;
         for (int i = 0; i < csvFullExpression.length(); i++) {
             if (csvFullExpression.regionMatches(i, System.lineSeparator(), 0, System.lineSeparator().length())) {
                 numberOfLinesFull++;