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Modified dumbbell test to show error in scc. #234

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Modified dumbbell test to show error in scc. #234

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95a4d49
Modified dumbbell test to show error in scc.
ehein6 Jun 7, 2017
1633380
Actually run scc test.
ehein6 Jun 7, 2017
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2 changes: 2 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -189,6 +189,7 @@ add_test(StingerHitsTest ${CMAKE_BINARY_DIR}/bin/stinger_hits_test)
add_test(StingerDiameterTest ${CMAKE_BINARY_DIR}/bin/stinger_diameter_test)
add_test(StingerIndependentSetsTest ${CMAKE_BINARY_DIR}/bin/stinger_independent_sets_test)
add_test(StingerShortestPathsTest ${CMAKE_BINARY_DIR}/bin/stinger_shortest_paths)
add_test(StingerStreamingConnectedComponentsTest ${CMAKE_BINARY_DIR}/bin/stinger_streaming_connected_components_test)

find_program(BASH bash REQUIRED)
add_test(
Expand All @@ -212,4 +213,5 @@ add_custom_target(check
stinger_diameter_test
stinger_independent_sets_test
stinger_shortest_paths
stinger_streaming_connected_components_test
)
45 changes: 21 additions & 24 deletions src/tests/streaming_connected_components_test/scc_test.cpp
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
#include <stinger_net/stinger_alg.h>
#include "scc_test.h"

#define restrict
Expand Down Expand Up @@ -82,37 +83,33 @@ TEST_F(SCCTest, UndirectedGraph) {


TEST_F(SCCTest, UndirectedGraphDumbbell) {
stinger_insert_edge_pair(S, 0, 0, 1, 1, 1);
stinger_insert_edge_pair(S, 0, 0, 2, 1, 1);
stinger_insert_edge_pair(S, 0, 0, 3, 1, 1);
stinger_insert_edge_pair(S, 0, 1, 2, 1, 1);
stinger_insert_edge_pair(S, 0, 1, 3, 1, 1);
stinger_insert_edge_pair(S, 0, 2, 3, 1, 1);

stinger_insert_edge_pair(S, 0, 3, 4, 1, 1);

stinger_insert_edge_pair(S, 0, 4, 5, 1, 1);
stinger_insert_edge_pair(S, 0, 4, 6, 1, 1);
stinger_insert_edge_pair(S, 0, 4, 7, 1, 1);
stinger_insert_edge_pair(S, 0, 5, 6, 1, 1);
stinger_insert_edge_pair(S, 0, 5, 7, 1, 1);

int64_t nv = stinger_max_nv(S);
stinger_scc_internal scc_internal;
stinger_scc_initialize_internals(S,nv,&scc_internal,4);
stinger_connected_components_stats stats;
stinger_scc_reset_stats(&stats);

stinger_edge_update insertion,deletion;
insertion.source = 6;
insertion.destination = 7;
deletion.source = 3;
deletion.destination = 4;

stinger_insert_edge_pair(S, 0, insertion.source, insertion.destination, 1, 2);
// Insert (1,2)
stinger_edge_update insertion = {0};
insertion.source = 1; insertion.destination = 2;
stinger_insert_edge_pair(S, 0, insertion.source, insertion.destination, 1, 1);
stinger_scc_insertion(S, nv, scc_internal, &stats, &insertion, 1);

// Insert (2,3)
insertion.source = 2; insertion.destination = 3;
stinger_insert_edge_pair(S, 0, insertion.source, insertion.destination, 1, 1);
stinger_scc_insertion(S, nv, scc_internal, &stats, &insertion, 1);

// Insert (3,4)
insertion.source = 3; insertion.destination = 4;
stinger_insert_edge_pair(S, 0, insertion.source, insertion.destination, 1, 1);
stinger_scc_insertion(S, nv, scc_internal, &stats, &insertion, 1);

// Now we have a simple chain, 1-2-3-4
// We delete (2,3) breaking the chain into two components 1-2 3-4
stinger_edge_update deletion = {0};
deletion.source = 2; deletion.destination = 3;
stinger_remove_edge_pair(S, 0, deletion.source, deletion.destination);

stinger_scc_insertion(S,nv,scc_internal,&stats,&insertion,1);
stinger_scc_deletion(S,nv,scc_internal,&stats,&deletion,1);

const int64_t* actual_components = stinger_scc_get_components(scc_internal);
Expand Down