Commit 3464700f authored by Peter Maydell's avatar Peter Maydell Committed by Anthony Liguori
Browse files

tests: Add test-bitops.c with some sextract tests 



Add some simple test cases for the new sextract32
and sextract64 functions.

Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Message-id: 1372419632-5521-3-git-send-email-peter.maydell@linaro.org
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent 2dc6bebd

tests/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -47,6 +47,7 @@ gcov-files-test-mul64-y = util/host-utils.c 
check-unit-y += tests/test-int128$(EXESUF)

# all code tested by test-int128 is inside int128.h

gcov-files-test-int128-y =

check-unit-y += tests/test-bitops$(EXESUF)



check-block-$(CONFIG_POSIX) += tests/qemu-iotests-quick.sh
@@ -125,6 +126,7 @@ tests/test-qmp-commands$(EXESUF): tests/test-qmp-commands.o tests/test-qmp-marsh 
tests/test-visitor-serialization$(EXESUF): tests/test-visitor-serialization.o $(test-qapi-obj-y) libqemuutil.a libqemustub.a



tests/test-mul64$(EXESUF): tests/test-mul64.o libqemuutil.a

tests/test-bitops$(EXESUF): tests/test-bitops.o libqemuutil.a



libqos-obj-y = tests/libqos/pci.o tests/libqos/fw_cfg.o

libqos-obj-y += tests/libqos/i2c.o

tests/test-bitops.c

0 → 100644
+75 −0
Original line number Diff line number Diff line 
/*

 * Test bitops routines

 *

 * This work is licensed under the terms of the GNU LGPL, version 2 or later.

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

 *

 */



#include <glib.h>

#include <stdint.h>

#include "qemu/bitops.h"



typedef struct {

    uint32_t value;

    int start;

    int length;

    int32_t result;

} S32Test;



typedef struct {

    uint64_t value;

    int start;

    int length;

    int64_t result;

} S64Test;



static const S32Test test_s32_data[] = {

    { 0x38463983, 4, 4, -8 },

    { 0x38463983, 12, 8, 0x63 },

    { 0x38463983, 0, 32, 0x38463983 },

};



static const S64Test test_s64_data[] = {

    { 0x8459826734967223, 60, 4, -8 },

    { 0x8459826734967223, 0, 64, 0x8459826734967223 },

};



static void test_sextract32(void)

{

    int i;



    for (i = 0; i < ARRAY_SIZE(test_s32_data); i++) {

        const S32Test *test = &test_s32_data[i];

        int32_t r = sextract32(test->value, test->start, test->length);



        g_assert_cmpint(r, ==, test->result);

    }

}



static void test_sextract64(void)

{

    int i;



    for (i = 0; i < ARRAY_SIZE(test_s32_data); i++) {

        const S32Test *test = &test_s32_data[i];

        int64_t r = sextract64(test->value, test->start, test->length);



        g_assert_cmpint(r, ==, test->result);

    }



    for (i = 0; i < ARRAY_SIZE(test_s64_data); i++) {

        const S64Test *test = &test_s64_data[i];

        int64_t r = sextract64(test->value, test->start, test->length);



        g_assert_cmpint(r, ==, test->result);

    }

}



int main(int argc, char **argv)

{

    g_test_init(&argc, &argv, NULL);

    g_test_add_func("/bitops/sextract32", test_sextract32);

    g_test_add_func("/bitops/sextract64", test_sextract64);

    return g_test_run();

}