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100 lines
2.2 KiB
Plaintext
100 lines
2.2 KiB
Plaintext
module sort_test @test;
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import std::math;
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import std::sort;
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import sort::check;
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import std::collections::list;
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fn void countingsort()
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{
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int[][] tcases = {
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{},
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{[0..128] = 10, [129..192] = 3},
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{[0..128] = 3, [129..192] = 2, [193..200] = 1},
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{[0..128] = 1, [129..192] = 2, [193..200] = 3},
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{[0..128] = 2, [129..192] = 1, [193..200] = 3},
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};
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foreach (tc : tcases)
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{
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sort::countingsort(tc);
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assert(check::int_ascending_sort(tc));
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}
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}
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fn void countingsort_with_ref()
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{
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int[][] tcases = {
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{},
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{[0..128] = 10, [129..192] = 3},
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{[0..128] = 3, [129..192] = 2, [193..200] = 1},
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{[0..128] = 1, [129..192] = 2, [193..200] = 3},
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{[0..128] = 2, [129..192] = 1, [193..200] = 3},
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};
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foreach (tc : tcases)
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{
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sort::countingsort(tc, &sort::key_int_ref);
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assert(check::int_ascending_sort(tc));
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}
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}
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fn void countingsort_with_value()
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{
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int[][] tcases = {
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{},
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{[0..128] = 10, [129..192] = 3},
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{[0..128] = 3, [129..192] = 2, [193..200] = 1},
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{[0..128] = 1, [129..192] = 2, [193..200] = 3},
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{[0..128] = 2, [129..192] = 1, [193..200] = 3},
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};
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foreach (tc : tcases)
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{
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sort::countingsort(tc, &sort::key_int_value);
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assert(check::int_ascending_sort(tc));
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}
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}
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fn void countingsort_with_lambda()
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{
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int[][] tcases =
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{
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{},
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{[0..128] = 10, [129..192] = 3},
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{[0..128] = 3, [129..192] = 2, [193..200] = 1},
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{[0..128] = 1, [129..192] = 2, [193..200] = 3},
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{[0..128] = 2, [129..192] = 1, [193..200] = 3},
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};
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foreach (tc : tcases)
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{
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sort::countingsort(tc, fn uint(int a) => ((uint)(a + int.min)));
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assert(check::int_ascending_sort(tc));
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}
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}
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alias CountingSortTestList = List{int};
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fn void countingsort_list()
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{
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CountingSortTestList list;
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list.push_all({ 2, 1, 3});
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sort::countingsort(&list, &sort::key_int_value);
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assert(check::int_ascending_sort(list.array_view()));
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}
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fn void countingsort_random_large_list()
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{
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Lcg128Random random;
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random::seed_entropy(&random);
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CountingSortTestList list;
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for (usz i = 0; i < 2048; i++)
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{
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list.push(random.next_int());
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}
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sort::countingsort(&list, &sort::key_int_value);
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assert(check::int_ascending_sort(list.array_view()));
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list.free();
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} |