From 8d11c6c8213f46f0fa19826917c255edd5d43cb1 Mon Sep 17 00:00:00 2001 From: mzuenni Date: Sun, 28 Jul 2024 22:54:40 +0200 Subject: Test (#4) * update * moved content in subdir * rename file * add test setup * add test setup * add github action * automaticly test all cpp files * timeout after 10s * setulimit and dont zero memory * test build pdf * install latexmk * update * update * ngerman * fonts * removed old code * add first test * added tests * test in sorted order * more tests * simplified test * more tests * fix suffix tree * fixes and improvements * done ust lst directly * fix swap * add links to pdf * fix constants * add primorial * add comment * various improvements * more tests * added missing stuf * more tests * fix tests * more tests * more tests * more tests * fix recursion? * test trie * more tests * only use python temporarily for listings * only use python temporarily for listings * more tests * fix longestCommonSubstring * more tests * more tests * made code more similiar * fix? * more tests * more tests * more tests * add ahoCorasick test + limit 4GB stack size * more tests * fix test * add additional test * more tests * more tests * fix? * better fix * fix virtual tree * more tests * more tests * recursive closest pair * more tests * decrease limit * new tests * more tests * fix name * more tests * add test * new test * more tests * more tests * more tests * more tests * new test and content * new code * new code * larger tests * fix and test * new test * new test * update pdf * remove comments * new test * more tests * more testcases * more tests * increased limit * more tests * more tests * more tests * new tests * more tests * shortened code * new test * add basic tests for bigint * more tests * removed old files * new test * ignore some files * more auto more ccw * fix test * more tests * fix * new tests * more tests * more tests * stronger test * actually verify delaunay... * more tests * fix header * more tests * run tests parallel? * test parralel? * add --missing * separate workflows * test * is the pdf checked? * separate workflows * fix workflow * more workflows --------- Co-authored-by: Yidi --- test/graph/havelHakimi.cpp | 65 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 test/graph/havelHakimi.cpp (limited to 'test/graph/havelHakimi.cpp') diff --git a/test/graph/havelHakimi.cpp b/test/graph/havelHakimi.cpp new file mode 100644 index 0000000..71476ec --- /dev/null +++ b/test/graph/havelHakimi.cpp @@ -0,0 +1,65 @@ +#include "../util.h" +#include + +void stress_test() { + ll queries = 0; + for (int tries = 0; tries < 200'000; tries++) { + int n = Random::integer(1, 30); + int m = Random::integer(0, n*(n-1) / 2 + 1); + Graph g(n); + g.erdosRenyi(m); + + vector expected(n); + for (int i = 0; i < n; i++) expected[i] = g.deg(i); + + auto res = havelHakimi(expected); + if (sz(res) != n) cerr << "error: wrong number of nodes" << FAIL; + vector> rev(n); + vector got(n); + for (int i = 0; i < n; i++) { + got[i] = sz(res[i]); + for (int j : res[i]) { + if (j < 0 || j >= n) cerr << "error: invalid edge" << FAIL; + rev[j].push_back(i); + } + } + + for (int i = 0; i < n; i++) { + sort(all(res[i])); + sort(all(rev[i])); + if (res[i] != rev[i]) cerr << "error: graph is directed" << FAIL; + for (int j : res[i]) if (j == i) cerr << "error: graph has loop" << FAIL; + for (int j = 1; j < sz(res[i]); j++) { + if (res[i][j] == res[i][j-1]) cerr << "error: multiedge" << FAIL; + } + } + + if (expected != got) cerr << "error" << FAIL; + queries += n; + } + cerr << "tested random queries: " << queries << endl; +} + +constexpr int N = 200'000; +constexpr int M = 1'000'000; +void performance_test() { + timer t; + Graph g(N); + g.erdosRenyi(M); + + vector expected(N); + for (int i = 0; i < N; i++) expected[i] = g.deg(i); + + t.start(); + auto res = havelHakimi(expected); + t.stop(); + hash_t hash = 0; + for (auto& v : res) hash += sz(v); + if (t.time > 500) cerr << "too slow: " << t.time << FAIL; + cerr << "tested performance: " << t.time << "ms (hash: " << hash << ")" << endl; +} + +int main() { + stress_test(); + performance_test(); +} -- cgit v1.2.3