time: add `IsCurrent`

1 files changed, 26 insertions, 1 deletions

diff --git a/time/time_test.go b/time/time_test.go
index 5bb6cb2..efb3078 100644
--- a/time/time_test.go
+++ b/time/time_test.go
@@ -3,7 +3,11 @@
 
 package time
 
-import "testing"
+import (
+	"fmt"
+	"testing"
+	"time"
+)
 
 func TestDurationToSeconds(t *testing.T) {
 	d, err := Duration("PT3H4M60S")
@@ -66,3 +70,24 @@ func TestDurationToSeconds(t *testing.T) {
 		return
 	}
 }
+
+func TestIsCurrent(t *testing.T) {
+	yes, err := IsCurrent("2022-08-07T01:00:00+00:00/PT1H")
+	if yes || err != nil {
+		t.Errorf("iscurrent failed: %v: %v", yes, err)
+		return
+	}
+
+	h, err := time.ParseDuration("-3600s")
+	if err != nil {
+		t.Errorf("-3600s parsing duration: %v", err)
+		return
+	}
+	ts := time.Now().Add(h).UTC().Format(time.RFC3339)
+	yes, err = IsCurrent(fmt.Sprintf("%s+00:00/PT2H", ts[:len(ts)-1]))
+	if !yes || err != nil {
+		t.Errorf("iscurrent failed: %v: %v", yes, err)
+		return
+	}
+
+}