/*
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******************************************************************************
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Project: OWA EPANET
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Version: 2.2
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Module: test_overflow.cpp
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Description: Tests EPANET toolkit api functions
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Authors: see AUTHORS
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Copyright: see AUTHORS
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License: see LICENSE
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Last Updated: 06/16/2019
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******************************************************************************
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*/
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/*
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Tests the EN_CANOVERFLOW option for Tank nodes
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*/
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#include <boost/test/unit_test.hpp>
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#include "test_toolkit.hpp"
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BOOST_AUTO_TEST_SUITE (test_overflow)
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BOOST_AUTO_TEST_CASE(test_tank_overflow)
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{
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int error = 0;
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int Nindex, Lindex;
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double level, spillage, spillage2, inflow;
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char testFile[] = "test_overflow.inp";
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EN_Project ph = NULL;
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error = EN_createproject(&ph);
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error = EN_open(ph, DATA_PATH_NET1, DATA_PATH_RPT, "");
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// Get index of the tank and its inlet/outlet pipe
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error = EN_getnodeindex(ph, (char *)"2", &Nindex);
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BOOST_REQUIRE(error == 0);
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error = EN_getlinkindex(ph, (char *)"110", &Lindex);
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BOOST_REQUIRE(error == 0);
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// Set initial & maximum level to 130
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error = EN_setnodevalue(ph, Nindex, EN_TANKLEVEL, 130);
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BOOST_REQUIRE(error == 0);
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error = EN_setnodevalue(ph, Nindex, EN_MAXLEVEL, 130);
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BOOST_REQUIRE(error == 0);
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// Set duration to 1 hr
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error = EN_settimeparam(ph, EN_DURATION, 3600);
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BOOST_REQUIRE(error == 0);
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// Solve hydraulics with default of no tank spillage allowed
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error = EN_solveH(ph);
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BOOST_REQUIRE(error == 0);
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// Check that tank remains full
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error = EN_getnodevalue(ph, Nindex, EN_TANKLEVEL, &level);
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BOOST_REQUIRE(error == 0);
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BOOST_REQUIRE(abs(level - 130.0) < 0.0001);
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// Check that there is no spillage
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error = EN_getnodevalue(ph, Nindex, EN_DEMAND, &spillage);
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BOOST_REQUIRE(error == 0);
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BOOST_REQUIRE(abs(spillage) < 0.0001);
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// Check that inflow link is closed
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error = EN_getlinkvalue(ph, Lindex, EN_FLOW, &inflow);
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BOOST_REQUIRE(error == 0);
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BOOST_REQUIRE(abs(inflow) < 0.0001);
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// Turn tank overflow option on
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error = EN_setnodevalue(ph, Nindex, EN_CANOVERFLOW, 1);
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BOOST_REQUIRE(error == 0);
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// Solve hydraulics again
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error = EN_solveH(ph);
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BOOST_REQUIRE(error == 0);
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// Check that tank remains full
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error = EN_getnodevalue(ph, Nindex, EN_TANKLEVEL, &level);
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BOOST_REQUIRE(error == 0);
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BOOST_REQUIRE(abs(level - 130.0) < 0.0001);
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// Check that there is spillage equal to tank inflow
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// (inflow has neg. sign since tank is start node of inflow pipe)
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error = EN_getnodevalue(ph, Nindex, EN_DEMAND, &spillage);
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BOOST_REQUIRE(error == 0);
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BOOST_REQUIRE(spillage > 0.0001);
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error = EN_getlinkvalue(ph, Lindex, EN_FLOW, &inflow);
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BOOST_REQUIRE(error == 0);
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BOOST_REQUIRE(abs(-inflow - spillage) < 0.0001);
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// Save project to file and then close it
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error = EN_saveinpfile(ph, testFile);
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BOOST_REQUIRE(error == 0);
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error = EN_close(ph);
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BOOST_REQUIRE(error == 0);
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// Re-open saved file & run it
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error = EN_open(ph, testFile, DATA_PATH_RPT, "");
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BOOST_REQUIRE(error == 0);
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error = EN_solveH(ph);
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BOOST_REQUIRE(error == 0);
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// Check that tank spillage has same value as before
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error = EN_getnodevalue(ph, Nindex, EN_DEMAND, &spillage2);
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BOOST_REQUIRE(error == 0);
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BOOST_REQUIRE(abs(spillage - spillage2) < 0.0001);
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// Clean up
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error = EN_close(ph);
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BOOST_REQUIRE(error == 0);
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error = EN_deleteproject(ph);
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BOOST_REQUIRE(error == 0);
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}
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BOOST_AUTO_TEST_SUITE_END()
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