From a1e2b672eacc00152b7047ea971474283b60bf1e Mon Sep 17 00:00:00 2001
From: Alex Flint <alex.flint@gmail.com>
Date: Tue, 4 Oct 2022 11:06:19 -0700
Subject: [PATCH] add a test to check that default values can be ignored if
 needed

---
 v2/parse_test.go | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/v2/parse_test.go b/v2/parse_test.go
index d323847..148bd09 100644
--- a/v2/parse_test.go
+++ b/v2/parse_test.go
@@ -805,18 +805,25 @@ func TestEnvironmentVariableIgnored(t *testing.T) {
 	assert.Equal(t, "", args.Foo)
 }
 
-// func TestDefaultValuesIgnored(t *testing.T) {
-// 	var args struct {
-// 		Foo string `default:"bad"`
-// 	}
+func TestDefaultValuesIgnored(t *testing.T) {
+	var args struct {
+		Foo string `default:"bad"`
+	}
 
-// 	p, err := NewParser(Config{IgnoreDefault: true}, &args)
-// 	require.NoError(t, err)
+	// just checking that default values are not automatically applied
+	// in ProcessCommandLine or ProcessEnvironment
 
-// 	err = p.Parse(nil)
-// 	assert.NoError(t, err)
-// 	assert.Equal(t, "", args.Foo)
-// }
+	p, err := NewParser(Config{}, &args)
+	require.NoError(t, err)
+
+	err = p.ProcessCommandLine(nil)
+	assert.NoError(t, err)
+
+	err = p.ProcessEnvironment(nil)
+	assert.NoError(t, err)
+
+	assert.Equal(t, "", args.Foo)
+}
 
 func TestEnvironmentVariableInSubcommand(t *testing.T) {
 	var args struct {