Commit 1a95404f authored by Emilio G. Cota's avatar Emilio G. Cota Committed by Richard Henderson
Browse files

qht: add test program 



Acked-by: default avatarSergey Fedorov <sergey.fedorov@linaro.org>
Reviewed-by: default avatarAlex Bennée <alex.bennee@linaro.org>
Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Signed-off-by: default avatarEmilio G. Cota <cota@braap.org>
Message-Id: <1465412133-3029-12-git-send-email-cota@braap.org>
Signed-off-by: default avatarRichard Henderson <rth@twiddle.net>
parent 2e11264a

tests/.gitignore

+1 −0
Original line number Diff line number Diff line
@@ -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

tests/Makefile.include

+5 −1
Original line number Diff line number Diff line
@@ -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\

tests/test-qht.c

0 → 100644
+159 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2016, Emilio G. Cota <cota@braap.org>

 *

 * License: GNU GPL, version 2 or later.

 *   See the COPYING file in the top-level directory.

 */

#include "qemu/osdep.h"

#include <glib.h>

#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();

}