From 3464700f6aecb3e2aa9098839d90672d6b3fa974 Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Fri, 28 Jun 2013 12:40:32 +0100 Subject: tests: Add test-bitops.c with some sextract tests Add some simple test cases for the new sextract32 and sextract64 functions. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 1372419632-5521-3-git-send-email-peter.maydell@linaro.org Signed-off-by: Anthony Liguori --- tests/Makefile | 2 ++ tests/test-bitops.c | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 77 insertions(+) create mode 100644 tests/test-bitops.c (limited to 'tests') diff --git a/tests/Makefile b/tests/Makefile index 425a9a8c4b..6c34eec1d2 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -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 diff --git a/tests/test-bitops.c b/tests/test-bitops.c new file mode 100644 index 0000000000..4e713e4e00 --- /dev/null +++ b/tests/test-bitops.c @@ -0,0 +1,75 @@ +/* + * 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 +#include +#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(); +} -- cgit v1.2.3