[commons-csv] 02/03: Add testGetDuplicateHeaderMode()

[ggregory]

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ggregory pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-csv.git

commit b4799e799a8f1064890e4d7ce4754b0ded3eb0cd
Author: Gary Gregory <garydgreg...@gmail.com>
AuthorDate: Fri Oct 21 08:59:14 2022 -0400

    Add testGetDuplicateHeaderMode()
---
 src/test/java/org/apache/commons/csv/CSVFormatTest.java | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/test/java/org/apache/commons/csv/CSVFormatTest.java 
b/src/test/java/org/apache/commons/csv/CSVFormatTest.java
index 53591bd9..77849003 100644
--- a/src/test/java/org/apache/commons/csv/CSVFormatTest.java
+++ b/src/test/java/org/apache/commons/csv/CSVFormatTest.java
@@ -692,6 +692,16 @@ public class CSVFormatTest {
         
assertFalse(builder.setDuplicateHeaderMode(DuplicateHeaderMode.DISALLOW).build().getAllowDuplicateHeaderNames());
     }
 
+    @Test
+    public void testGetDuplicateHeaderMode() {
+        final Builder builder = CSVFormat.DEFAULT.builder();
+
+        assertEquals(DuplicateHeaderMode.ALLOW_ALL, 
builder.build().getDuplicateHeaderMode());
+        assertEquals(DuplicateHeaderMode.ALLOW_ALL, 
builder.setDuplicateHeaderMode(DuplicateHeaderMode.ALLOW_ALL).build().getDuplicateHeaderMode());
+        assertEquals(DuplicateHeaderMode.ALLOW_EMPTY, 
builder.setDuplicateHeaderMode(DuplicateHeaderMode.ALLOW_EMPTY).build().getDuplicateHeaderMode());
+        assertEquals(DuplicateHeaderMode.DISALLOW, 
builder.setDuplicateHeaderMode(DuplicateHeaderMode.DISALLOW).build().getDuplicateHeaderMode());
+    }
+
     @Test
     public void testGetHeader() {
         final String[] header = { "one", "two", "three" };