require(testthat);
context("algo_0 R6 class");
test_that('algo_0: exhaustive output test', {
  #browser();
  a <- algo_0$new();
  expect_equal(a$exec(""), "0");
});
test_that('algo_0: test in composition', {
  #browser();
  composite <- algo_composite$new(0,1);
  a0 <- algo_0$new();
  composite$set_component(node = a0);
  composite$set_dag_edge(a0, "o1", composite, "o1");
  #composite$plot();
  expect_equal(composite$exec(""), "0");
});
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