fix: Restore ParseErrorsWhitelist name for now

This will be removed in a future release, but is reintroduced here to not break backwards compatibility.

1 files changed, 8 insertions, 3 deletions

diff --git a/flag_test.go b/flag_test.go
index 31491c8..f8ee431 100644
--- a/flag_test.go
+++ b/flag_test.go
@@ -447,11 +447,11 @@ func testParseAll(f *FlagSet, t *testing.T) {
 	}
 }
 
-func testParseWithUnknownFlags(f *FlagSet, t *testing.T) {
+func testParseWithUnknownFlags(f *FlagSet, t *testing.T, setUnknownFlags func(f *FlagSet)) {
 	if f.Parsed() {
 		t.Error("f.Parse() = true before Parse")
 	}
-	f.ParseErrorsAllowlist.UnknownFlags = true
+	setUnknownFlags(f)
 
 	f.BoolP("boola", "a", false, "bool value")
 	f.BoolP("boolb", "b", false, "bool2 value")
@@ -649,7 +649,12 @@ func TestParseAll(t *testing.T) {
 
 func TestIgnoreUnknownFlags(t *testing.T) {
 	ResetForTesting(func() { t.Error("bad parse") })
-	testParseWithUnknownFlags(GetCommandLine(), t)
+	testParseWithUnknownFlags(GetCommandLine(), t, func(f *FlagSet) { f.ParseErrorsAllowlist.UnknownFlags = true })
+}
+
+func TestIgnoreUnknownFlagsBackwardsCompat(t *testing.T) {
+	ResetForTesting(func() { t.Error("bad parse") })
+	testParseWithUnknownFlags(GetCommandLine(), t, func(f *FlagSet) { f.ParseErrorsWhitelist.UnknownFlags = true })
 }
 
 func TestFlagSetParse(t *testing.T) {