UserJobGraph

Source: tests/jobgraph/UserJobGraph.cpp

// ========================================================================= //
// This file is part of MyraMath, copyright (c) 2014-2019 by Ryan A Chilton  //
// and distributed by MyraCore, LLC. See LICENSE.txt for license terms.      //
// ========================================================================= //

// JobGraph bits.
#include <myramath/jobgraph/UserJobGraph.h>
#include <myramath/jobgraph/graphviz.h>
#include <myramath/jobgraph/execute.h>
#include <myramath/jobgraph/verify.h>

// Reporting.
#include <tests/myratest.h>

using namespace myra;

ADD_TEST("UserJobGraph","[jobgraph]")
  {
  // Local variables.
  int x = 0;
  int y = 0;
  int z = 0;
  // Add jobs.
  UserJobGraph graph;
  uint64_t jx = graph.insert([&x](){ x=4; },"x=4");
  uint64_t jy = graph.insert([&y](){ y=5; },"y=5");
  uint64_t jsum = graph.insert([&x,&y,&z](){ z=x+y; },"z=x+y");
  uint64_t jprint = graph.insert([&z](){ myra::out() << "z = " << z << std::endl; }, "print z");
  // Add dependencies (edges) between jobs.
  graph.add_edge(jx,jsum);
  graph.add_edge(jy,jsum);
  graph.add_edge(jsum,jprint);
  // Check essential properties.
  verify(graph);
  graphviz(graph,"UserJobGraph.dot");
  // Run graph.
  execute(graph);
  // Verify z = 9.
  REQUIRE(z == 9);
  }

Results: [PASS]

z = 9

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