test(dsl): add modern graph algorithm cases#815
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Summary
Expected results
CC
The current implementation propagates the minimum string label through incoming edges. Each vertex therefore reports the minimum ID in its forward-reachable set: 1->1, 2->2, 3->3, 4->3, 5->5, and 6->3.
WCC
Treating the edges as undirected makes all six vertices connected, so every vertex reports component 1.
KCore
For k=2, vertices 2, 5, and 6 have degree 1 and are removed. Vertices 1, 3, and 4 form a triangle and remain with degree 2.
Tests
Related to #794