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Fixes problems with EN_addnode() (#543)

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See issue #542 . Also modifies unit test test_node to check that fixup works.
This commit is contained in:
Lew Rossman
2019-10-16 15:07:14 -04:00
committed by Sam Hatchett
parent 5f7fd55a36
commit 344700a136
2 changed files with 19 additions and 9 deletions
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18
src/epanet.c
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@@ -1734,6 +1734,9 @@ int DLLEXPORT EN_addnode(EN_Project p, char *id, int nodeType, int *index)
// Check if a node with same id already exists
if (EN_getnodeindex(p, id, &i) == 0) return 215;
// Check for valid node type
if (nodeType < EN_JUNCTION || nodeType > EN_TANK) return 251;
// Grow node-related arrays to accomodate the new node
size = (net->Nnodes + 2) * sizeof(Snode);
@@ -1746,18 +1749,20 @@ int DLLEXPORT EN_addnode(EN_Project p, char *id, int nodeType, int *index)
// Actions taken when a new Junction is added
if (nodeType == EN_JUNCTION)
{
// shift indices of non-Junction nodes at end of Node array
for (i = net->Nnodes; i > net->Njuncs; i--)
{
hashtable_update(net->NodeHashTable, net->Node[i].ID, i + 1);
net->Node[i + 1] = net->Node[i];
}
// set index of new Junction node
net->Njuncs++;
nIdx = net->Njuncs;
node = &net->Node[nIdx];
node->D = NULL;
adddemand(node, 0.0, 0, NULL);
// shift rest of Node array
for (i = net->Nnodes; i >= net->Njuncs; i--)
{
hashtable_update(net->NodeHashTable, net->Node[i].ID, i + 1);
net->Node[i + 1] = net->Node[i];
}
// shift indices of Tank array
for (i = 1; i <= net->Ntanks; i++)
{
@@ -1816,6 +1821,7 @@ int DLLEXPORT EN_addnode(EN_Project p, char *id, int nodeType, int *index)
strncpy(node->ID, id, MAXID);
// set default values for new node
node->Type = nodeType;
node->El = 0;
node->S = NULL;
node->C0 = 0;

10
tests/test_node.cpp
View File

@@ -25,17 +25,21 @@ BOOST_FIXTURE_TEST_CASE(test_adddelete_node, FixtureInitClose)
error = EN_addnode(ph, (char *)"N2", EN_JUNCTION, &index);
BOOST_REQUIRE(error == 0);
error = EN_addnode(ph, (char *)"N4", EN_TANK, &index);
BOOST_REQUIRE(error == 0);
error = EN_addnode(ph, (char *)"N3", EN_RESERVOIR, &index);
BOOST_REQUIRE(error == 0);
error = EN_addnode(ph, (char *)"N1", EN_JUNCTION, &index);
BOOST_REQUIRE(error == 0);
error = EN_getnodeindex(ph, (char *)"N1", &index);
BOOST_REQUIRE(error == 0);
BOOST_REQUIRE(index == 2);
error = EN_getnodeindex(ph, (char *)"N2", &index);
BOOST_REQUIRE(error == 0);
error = EN_deletenode(ph, index, EN_UNCONDITIONAL);
BOOST_REQUIRE(error == 0);
error = EN_addnode(ph, (char *)"N4", EN_TANK, &index);
BOOST_REQUIRE(error == 0);
error = EN_getnodeindex(ph, (char *)"N4", &index);
BOOST_REQUIRE(error == 0);
error = EN_deletenode(ph, index, EN_UNCONDITIONAL);