From 1a95404fbd34f4ed66fa2450869fb3b384b0a97b Mon Sep 17 00:00:00 2001 From: "Emilio G. Cota" Date: Wed, 8 Jun 2016 14:55:29 -0400 Subject: qht: add test program MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Acked-by: Sergey Fedorov Reviewed-by: Alex Bennée Reviewed-by: Richard Henderson Signed-off-by: Emilio G. Cota Message-Id: <1465412133-3029-12-git-send-email-cota@braap.org> Signed-off-by: Richard Henderson --- tests/.gitignore | 1 + tests/Makefile.include | 6 +- tests/test-qht.c | 159 +++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 165 insertions(+), 1 deletion(-) create mode 100644 tests/test-qht.c diff --git a/tests/.gitignore b/tests/.gitignore index 7c0d156b74..ffde5d2b83 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -50,6 +50,7 @@ test-qdev-global-props test-qemu-opts test-qdist test-qga +test-qht test-qmp-commands test-qmp-commands.h test-qmp-event diff --git a/tests/Makefile.include b/tests/Makefile.include index 294894558e..429d384842 100644 --- a/tests/Makefile.include +++ b/tests/Makefile.include @@ -72,6 +72,8 @@ check-unit-y += tests/test-rcu-list$(EXESUF) gcov-files-test-rcu-list-y = util/rcu.c check-unit-y += tests/test-qdist$(EXESUF) gcov-files-test-qdist-y = util/qdist.c +check-unit-y += tests/test-qht$(EXESUF) +gcov-files-test-qht-y = util/qht.c check-unit-y += tests/test-bitops$(EXESUF) check-unit-$(CONFIG_HAS_GLIB_SUBPROCESS_TESTS) += tests/test-qdev-global-props$(EXESUF) check-unit-y += tests/check-qom-interface$(EXESUF) @@ -397,7 +399,8 @@ test-obj-y = tests/check-qint.o tests/check-qstring.o tests/check-qdict.o \ tests/test-x86-cpuid.o tests/test-mul64.o tests/test-int128.o \ tests/test-opts-visitor.o tests/test-qmp-event.o \ tests/rcutorture.o tests/test-rcu-list.o \ - tests/test-qdist.o + tests/test-qdist.o \ + tests/test-qht.o $(test-obj-y): QEMU_INCLUDES += -Itests QEMU_CFLAGS += -I$(SRC_PATH)/tests @@ -437,6 +440,7 @@ tests/test-int128$(EXESUF): tests/test-int128.o tests/rcutorture$(EXESUF): tests/rcutorture.o $(test-util-obj-y) tests/test-rcu-list$(EXESUF): tests/test-rcu-list.o $(test-util-obj-y) tests/test-qdist$(EXESUF): tests/test-qdist.o $(test-util-obj-y) +tests/test-qht$(EXESUF): tests/test-qht.o $(test-util-obj-y) tests/test-qdev-global-props$(EXESUF): tests/test-qdev-global-props.o \ hw/core/qdev.o hw/core/qdev-properties.o hw/core/hotplug.o\ diff --git a/tests/test-qht.c b/tests/test-qht.c new file mode 100644 index 0000000000..c8eb9305ed --- /dev/null +++ b/tests/test-qht.c @@ -0,0 +1,159 @@ +/* + * Copyright (C) 2016, Emilio G. Cota + * + * License: GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ +#include "qemu/osdep.h" +#include +#include "qemu/qht.h" + +#define N 5000 + +static struct qht ht; +static int32_t arr[N * 2]; + +static bool is_equal(const void *obj, const void *userp) +{ + const int32_t *a = obj; + const int32_t *b = userp; + + return *a == *b; +} + +static void insert(int a, int b) +{ + int i; + + for (i = a; i < b; i++) { + uint32_t hash; + + arr[i] = i; + hash = i; + + qht_insert(&ht, &arr[i], hash); + } +} + +static void rm(int init, int end) +{ + int i; + + for (i = init; i < end; i++) { + uint32_t hash; + + hash = arr[i]; + g_assert_true(qht_remove(&ht, &arr[i], hash)); + } +} + +static void check(int a, int b, bool expected) +{ + struct qht_stats stats; + int i; + + for (i = a; i < b; i++) { + void *p; + uint32_t hash; + int32_t val; + + val = i; + hash = i; + p = qht_lookup(&ht, is_equal, &val, hash); + g_assert_true(!!p == expected); + } + qht_statistics_init(&ht, &stats); + if (stats.used_head_buckets) { + g_assert_cmpfloat(qdist_avg(&stats.chain), >=, 1.0); + } + g_assert_cmpuint(stats.head_buckets, >, 0); + qht_statistics_destroy(&stats); +} + +static void count_func(struct qht *ht, void *p, uint32_t hash, void *userp) +{ + unsigned int *curr = userp; + + (*curr)++; +} + +static void check_n(size_t expected) +{ + struct qht_stats stats; + + qht_statistics_init(&ht, &stats); + g_assert_cmpuint(stats.entries, ==, expected); + qht_statistics_destroy(&stats); +} + +static void iter_check(unsigned int count) +{ + unsigned int curr = 0; + + qht_iter(&ht, count_func, &curr); + g_assert_cmpuint(curr, ==, count); +} + +static void qht_do_test(unsigned int mode, size_t init_entries) +{ + qht_init(&ht, 0, mode); + + insert(0, N); + check(0, N, true); + check_n(N); + check(-N, -1, false); + iter_check(N); + + rm(101, 102); + check_n(N - 1); + insert(N, N * 2); + check_n(N + N - 1); + rm(N, N * 2); + check_n(N - 1); + insert(101, 102); + check_n(N); + + rm(10, 200); + check_n(N - 190); + insert(150, 200); + check_n(N - 190 + 50); + insert(10, 150); + check_n(N); + + rm(1, 2); + check_n(N - 1); + qht_reset_size(&ht, 0); + check_n(0); + check(0, N, false); + + qht_destroy(&ht); +} + +static void qht_test(unsigned int mode) +{ + qht_do_test(mode, 0); + qht_do_test(mode, 1); + qht_do_test(mode, 2); + qht_do_test(mode, 8); + qht_do_test(mode, 16); + qht_do_test(mode, 8192); + qht_do_test(mode, 16384); +} + +static void test_default(void) +{ + qht_test(0); +} + +static void test_resize(void) +{ + qht_test(QHT_MODE_AUTO_RESIZE); +} + +int main(int argc, char *argv[]) +{ + g_test_init(&argc, &argv, NULL); + g_test_add_func("/qht/mode/default", test_default); + g_test_add_func("/qht/mode/resize", test_resize); + return g_test_run(); +} -- cgit v1.2.3