Function TestClockWithDefaultStartTime

tstest/clock_test.go:85–142

(t *testing.T)

}

func TestClockWithDefaultStartTime(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name  string
		step  time.Duration
		wants []time.Duration // The return values of sequential calls to Now() after added to Start()
	}{
		{
			name: "increment-ms",
			step: 1000,
			wants: []time.Duration{
				0,
				1000,
				2000,
				3000,
			},
		},
		{
			name: "increment-second",
			step: time.Second,
			wants: []time.Duration{
				0 * time.Second,
				1 * time.Second,
				2 * time.Second,
				3 * time.Second,
			},
		},
		{
			name:  "no-increment",
			wants: []time.Duration{0, 0, 0, 0},
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()
			clock := NewClock(ClockOpts{
				Step: tt.step,
			})
			start := clock.GetStart()

			if step := clock.GetStep(); step != tt.step {
				t.Errorf("clock has step %v, want %v", step, tt.step)
			}

			for i := range tt.wants {
				want := start.Add(tt.wants[i])
				if got := clock.Now(); !got.Equal(want) {
					t.Errorf("step %v: clock.Now() = %v, want %v", i, got, tt.wants[i])
				}
				if got := clock.PeekNow(); !got.Equal(want) {
					t.Errorf("step %v: clock.PeekNow() = %v, want %v", i, got, tt.wants[i])
				}
			}
		})
	}
}