[Cleanup] Update timeoutat.TimeoutAt to remove extraneous go func

Also, add a test for timeoutat.TimeoutAt.

1 files changed, 27 insertions, 0 deletions

diff --git a/timeoutat/timeoutat_test.go b/timeoutat/timeoutat_test.go
new file mode 100644
index 0000000..b0c91fe
--- /dev/null
+++ b/timeoutat/timeoutat_test.go
@@ -0,0 +1,27 @@
+package timeoutat
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/network-quality/goresponsiveness/debug"
+)
+
+func TestTimeoutAt(t *testing.T) {
+	testTime := 5 * time.Second
+	testTimeLimit := 6 * time.Second
+
+	now := time.Now()
+	select {
+	case <-TimeoutAt(context.Background(), time.Now().Add(testTime), debug.NoDebug):
+
+	}
+	then := time.Now()
+
+	actualTime := then.Sub(now)
+
+	if actualTime >= testTimeLimit {
+		t.Fatalf("Should have taken 5 seconds but it really took %v!", actualTime)
+	}
+}