@Test
public void addGraph_overlap() {
UndirectedGraph<Integer, String> graph = Graphs.createUndirected(immutableGraph.config());
populateInputGraph(graph);
// Add an edge that is in 'graph' (overlap)
builder.addEdge(E12, N1, N2);
builder.addGraph(graph);
assertThat(builder.build()).isEqualTo(graph);
}
@Test
public void addGraph_inconsistentEdges() {
UndirectedGraph<Integer, String> graph = Graphs.createUndirected(immutableGraph.config());
populateInputGraph(graph);
builder.addEdge(E12, N5, N1);
try {
builder.addGraph(graph);
fail(
"Should have rejected a graph whose edge definitions were inconsistent with existing"
+ "builder state");
} catch (IllegalArgumentException expected) {
}
}
@Test
public void addGraph() {
UndirectedGraph<Integer, String> graph = Graphs.createUndirected(immutableGraph.config());
populateInputGraph(graph);
assertThat(builder.addGraph(graph).build()).isEqualTo(graph);
}
@Test
public void copyOf() {
UndirectedGraph<Integer, String> graph = Graphs.createUndirected(immutableGraph.config());
populateInputGraph(graph);
assertThat(ImmutableUndirectedGraph.copyOf(graph)).isEqualTo(graph);
}