Test for dontShowNullForMissingCommandDescription

cbeust · Oct 4, 2023 · 5902f52 · 5902f52
1 parent d5e14a9
commit 5902f52
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/src/test/java/com/beust/jcommander/DefaultUsageFormatterTest.java b/src/test/java/com/beust/jcommander/DefaultUsageFormatterTest.java
@@ -391,4 +391,18 @@ class Arg {
         c.getUsageFormatter().usage(sb);
         Assert.assertTrue(sb.toString().contains("Default: <empty string>"));
     }
+
+    @Test
+    public void dontShowNullForMissingCommandDescription() {
+        // given
+        class Command {}
+        JCommander jc = JCommander.newBuilder().addCommand("testCommand", new Command()).build();
+        StringBuilder sb = new StringBuilder();
+
+        // when
+        jc.getUsageFormatter().usage(sb);
+
+        // then
+        Assert.assertFalse(sb.toString().contains("null"));
+    }
 }