git/t/t0071-sort.sh

#!/bin/sh

test_description='verify sort functions'

TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh

test_expect_success 'DEFINE_LIST_SORT_DEBUG' '
	test-tool mergesort test
'

test_done
test-mergesort: add test subcommand Adapt the qsort certification program from "Engineering a Sort Function" by Bentley and McIlroy for testing our linked list sort function. It generates several lists with various distribution patterns and counts the number of operations llist_mergesort() needs to order them. It compares the result to the output of a trusted sort function (qsort(1)) and also checks if the sort is stable. Also add a test script that makes use of the new subcommand. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2021-10-01 09:12:27 +00:00			`#!/bin/sh`

			`test_description='verify sort functions'`

leak tests: mark "sort" test as passing SANITIZE=leak Mark a test that was recently added in e031e9719d2 (test-mergesort: add test subcommand, 2021-10-01) as passing with SANITIZE=leak. It will now be listed as running under the "GIT_TEST_PASSING_SANITIZE_LEAK=true" test mode (the "linux-leaks" CI target). Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2021-10-30 22:24:11 +00:00			`TEST_PASSES_SANITIZE_LEAK=true`
test-mergesort: add test subcommand Adapt the qsort certification program from "Engineering a Sort Function" by Bentley and McIlroy for testing our linked list sort function. It generates several lists with various distribution patterns and counts the number of operations llist_mergesort() needs to order them. It compares the result to the output of a trusted sort function (qsort(1)) and also checks if the sort is stable. Also add a test script that makes use of the new subcommand. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2021-10-01 09:12:27 +00:00			`. ./test-lib.sh`

test-mergesort: use DEFINE_LIST_SORT_DEBUG Define a typed sort function using DEFINE_LIST_SORT_DEBUG for the mergesort sanity check instead of using llist_mergesort(). This gets rid of the next pointer accessor functions and improves the performance at the cost of slightly bigger object text. Before: Benchmark 1: t/helper/test-tool mergesort test Time (mean ± σ): 108.4 ms ± 0.2 ms [User: 106.7 ms, System: 1.2 ms] Range (min … max): 108.0 ms … 108.8 ms 27 runs __TEXT __DATA __OBJC others dec hex 6251 276 0 23172 29699 7403 t/helper/test-mergesort.o With this patch: Benchmark 1: t/helper/test-tool mergesort test Time (mean ± σ): 94.0 ms ± 0.2 ms [User: 92.4 ms, System: 1.1 ms] Range (min … max): 93.7 ms … 94.5 ms 31 runs __TEXT __DATA __OBJC others dec hex 6407 276 0 24701 31384 7a98 t/helper/test-mergesort.o Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2022-07-16 16:56:32 +00:00			`test_expect_success 'DEFINE_LIST_SORT_DEBUG' '`
test-mergesort: add test subcommand Adapt the qsort certification program from "Engineering a Sort Function" by Bentley and McIlroy for testing our linked list sort function. It generates several lists with various distribution patterns and counts the number of operations llist_mergesort() needs to order them. It compares the result to the output of a trusted sort function (qsort(1)) and also checks if the sort is stable. Also add a test script that makes use of the new subcommand. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2021-10-01 09:12:27 +00:00			`test-tool mergesort test`
			`'`

			`test_done`