Function TestBufferedSeriesIteratorNoBadAt

storage/buffer_test.go:302–324

At() should not be called once Next() returns false.

(t *testing.T)

// At() should not be called once Next() returns false.
func TestBufferedSeriesIteratorNoBadAt(t *testing.T) {
	done := false

	m := &mockSeriesIterator{
		seek: func(int64) chunkenc.ValueType { return chunkenc.ValNone },
		at: func() (int64, float64) {
			require.False(t, done, "unexpectedly done")
			done = true
			return 0, 0
		},
		next: func() chunkenc.ValueType {
			if done {
				return chunkenc.ValNone
			}
			return chunkenc.ValFloat
		},
		err: func() error { return nil },
	}

	it := NewBufferIterator(m, 60)
	it.Next()
	it.Next()
}

func TestBufferedSeriesIteratorMixedHistograms(t *testing.T) {
	histograms := tsdbutil.GenerateTestHistograms(2)