Float64Flag.ValueFromContext() as convenient accessor

2022-04-22 15:55:37 +02:00
parent 9eae255aac
commit 5047beb001
2 changed files with 13 additions and 0 deletions
--- a/flag_test.go
+++ b/flag_test.go
@@ -1068,6 +1068,14 @@ func TestFloat64FlagApply_SetsAllNames(t *testing.T) {
 	expect(t, v, float64(43.33333))
 }

+func TestFloat64FlagValueFromContext(t *testing.T) {
+	set := flag.NewFlagSet("test", 0)
+	set.Float64("myflag", 1.23, "doc")
+	ctx := NewContext(nil, set, nil)
+	f := &Float64Flag{Name: "myflag"}
+	expect(t, f.ValueFromContext(ctx), 1.23)
+}
+
 var float64SliceFlagTests = []struct {
 	name     string
 	aliases  []string