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Commit88d038b

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m-maksyutintrekhleb
authored andcommitted
Fix the findEdge method of the graph (trekhleb#80)
* Fix LinkedList* Fix the prepend method for the LinkedList* Fix the remove method for the MinHeap* Correct a comment* Fix BST removal method* Fix the findEdge method of the graph
1 parent89fb0e6 commit88d038b

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2 files changed

+9
-2
lines changed

2 files changed

+9
-2
lines changed

‎src/data-structures/graph/Graph.js

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Original file line numberDiff line numberDiff line change
@@ -115,6 +115,9 @@ export default class Graph {
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*/
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findEdge(startVertex,endVertex){
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constvertex=this.getVertexByKey(startVertex.getKey());
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if(!vertex){
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returnnull;
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}
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returnvertex.findEdge(endVertex);
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}
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‎src/data-structures/graph/__test__/Graph.test.js

Lines changed: 6 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -87,9 +87,11 @@ describe('Graph', () => {
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constgraphEdgeAB=graph.findEdge(vertexA,vertexB);
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constgraphEdgeBA=graph.findEdge(vertexB,vertexA);
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constgraphEdgeAC=graph.findEdge(vertexB,vertexC);
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constgraphEdgeAC=graph.findEdge(vertexA,vertexC);
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constgraphEdgeCA=graph.findEdge(vertexC,vertexA);
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expect(graphEdgeAC).toBeNull();
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expect(graphEdgeCA).toBeNull();
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expect(graphEdgeAB).toEqual(edgeAB);
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expect(graphEdgeBA).toEqual(edgeAB);
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expect(graphEdgeAB.weight).toBe(10);
@@ -108,9 +110,11 @@ describe('Graph', () => {
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constgraphEdgeAB=graph.findEdge(vertexA,vertexB);
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constgraphEdgeBA=graph.findEdge(vertexB,vertexA);
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constgraphEdgeAC=graph.findEdge(vertexB,vertexC);
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constgraphEdgeAC=graph.findEdge(vertexA,vertexC);
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constgraphEdgeCA=graph.findEdge(vertexC,vertexA);
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expect(graphEdgeAC).toBeNull();
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expect(graphEdgeCA).toBeNull();
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expect(graphEdgeBA).toBeNull();
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expect(graphEdgeAB).toEqual(edgeAB);
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expect(graphEdgeAB.weight).toBe(10);

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