prysm-pulse/testing/endtoend/params/params_test.go

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package params
import (
"testing"
"github.com/prysmaticlabs/prysm/testing/assert"
"github.com/prysmaticlabs/prysm/testing/require"
)
func Test_port(t *testing.T) {
var existingRegistrations []int
p, err := port(2000, 3, 0, &existingRegistrations)
require.NoError(t, err)
assert.Equal(t, 2000, p)
p, err = port(2000, 3, 1, &existingRegistrations)
require.NoError(t, err)
assert.Equal(t, 2016, p)
p, err = port(2000, 3, 2, &existingRegistrations)
require.NoError(t, err)
assert.Equal(t, 2032, p)
_, err = port(2000, 3, 2, &existingRegistrations)
assert.NotNil(t, err)
// We pass the last unavailable port
_, err = port(2047, 3, 0, &existingRegistrations)
assert.NotNil(t, err)
}