accounts: add test to check appveyor/windows-timeout capabilities

accounts/ardvark_test.go

@@ -0,0 +1,53 @@
+package accounts
+
+import (
+	"fmt"
+	"testing"
+	"time"
+)
+
+func TestTimeOuts(t *testing.T) {
+	t.Log(testTimeouts(1 * time.Nanosecond))
+	t.Log(testTimeouts(1 * time.Microsecond))
+	t.Log(testTimeouts(100 * time.Microsecond))
+	t.Log(testTimeouts(1 * time.Millisecond))
+	t.Log(testTimeouts(10 * time.Millisecond))
+	t.Error("Nope")
+}
+
+func testTimeouts(want time.Duration) string {
+	var (
+		t0 time.Time
+		N  = 100
+	)
+	t0 = time.Now()
+	for i := 0; i < N; i++ {
+		time.Sleep(want)
+	}
+	duration0 := time.Since(t0) / time.Duration(N)
+
+	t0 = time.Now()
+	for i := 0; i < N; i++ {
+		<-time.After(want)
+	}
+	duration1 := time.Since(t0) / time.Duration(N)
+
+	t0 = time.Now()
+	timer := time.NewTimer(want)
+	for i := 0; i < N; i++ {
+		<-timer.C
+		timer.Reset(want)
+	}
+	duration2 := time.Since(t0) / time.Duration(N)
+
+	t0 = time.Now()
+	ticker := time.NewTicker(want)
+	for i := 0; i < N; i++ {
+		<-ticker.C
+	}
+	duration3 := time.Since(t0) / time.Duration(N)
+
+	result := fmt.Sprintf("Attempting: %v\ntime.Sleep: %v\ntime.After: %v\ntimer: %v\nticker: %v\n",
+		want, duration0, duration1, duration2, duration3)
+	return result
+}