Fix: Make graph truly bidirectional as stated

This commit is contained in:
2025-11-13 17:29:00 -08:00
parent 08242437db
commit e6f5a570a8

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@@ -4,18 +4,20 @@ export default {
// - The function must accept a graph, a start node, and an end node.
// - You MUST use a dynamic import() to load the 'js-priority-queue' library from a CDN for the priority queue.
// - The function should return the total weight of the shortest path, or Infinity if no path exists.
// - Graph format: { 'A': { 'B': 1, 'C': 4 }, 'B': { ... }, ... }`,
// - Graph format: { 'A': { 'B': 1, 'C': 4 }, 'B': { 'A': 1, ... }, ... } (edges are bidirectional, both directions listed)`,
runTest: async (findShortestPath) => {
const assert = {
strictEqual: (a, e, m) => { if (a !== e) throw new Error(m || `FAIL: ${a} !== ${e}`) },
};
const graph = {
A: { B: 2, C: 5 }, B: { A: 2, C: 6, D: 1, E: 3 }, C: { A: 5, B: 6, F: 8 },
D: { B: 1, E: 4 }, E: { B: 3, D: 4, F: 2 }, F: { C: 8, E: 2 }
A: { B: 2, C: 5 },
B: { A: 2, C: 6, D: 1, E: 3 },
C: { A: 5, B: 6, F: 8 },
D: { B: 1, E: 4 },
E: { B: 3, D: 4, F: 2 },
F: { C: 8, E: 2 }
};
const dist = await findShortestPath(graph, 'A', 'F');
assert.strictEqual(dist, 7, "Test Failed: Path A to F should be 7.");
}
};