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-rw-r--r--tests/unit/test-cutils.c512
1 files changed, 512 insertions, 0 deletions
diff --git a/tests/unit/test-cutils.c b/tests/unit/test-cutils.c
index cd8fe7d940..0dc9429154 100644
--- a/tests/unit/test-cutils.c
+++ b/tests/unit/test-cutils.c
@@ -25,6 +25,8 @@
* THE SOFTWARE.
*/
+#include <math.h>
+
#include "qemu/osdep.h"
#include "qemu/cutils.h"
#include "qemu/units.h"
@@ -2789,6 +2791,487 @@ static void test_qemu_strtou64_full_erange_junk(void)
g_assert_cmpuint(res, ==, UINT64_MAX);
}
+static void test_qemu_strtod_simple(void)
+{
+ const char *str;
+ const char *endptr;
+ int err;
+ double res;
+
+ /* no radix or exponent */
+ str = "1";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpfloat(res, ==, 1.0);
+ g_assert_true(endptr == str + 1);
+
+ /* leading space and sign */
+ str = " -0.0";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpfloat(res, ==, -0.0);
+ g_assert_true(signbit(res));
+ g_assert_true(endptr == str + 5);
+
+ /* fraction only */
+ str = "+.5";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpfloat(res, ==, 0.5);
+ g_assert_true(endptr == str + 3);
+
+ /* exponent */
+ str = "1.e+1";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpfloat(res, ==, 10.0);
+ g_assert_true(endptr == str + 5);
+
+ /* hex without radix */
+ str = "0x10";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpfloat(res, ==, 16.0);
+ g_assert_true(endptr == str + 4);
+}
+
+static void test_qemu_strtod_einval(void)
+{
+ const char *str;
+ const char *endptr;
+ int err;
+ double res;
+
+ /* empty */
+ str = "";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 0.0);
+ g_assert_false(signbit(res));
+ g_assert_true(endptr == str);
+
+ /* NULL */
+ str = NULL;
+ endptr = "random";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 999.0);
+ g_assert_null(endptr);
+
+ /* not recognizable */
+ str = " junk";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 0.0);
+ g_assert_false(signbit(res));
+ g_assert_true(endptr == str);
+}
+
+static void test_qemu_strtod_erange(void)
+{
+ const char *str;
+ const char *endptr;
+ int err;
+ double res;
+
+ /* overflow */
+ str = "9e999";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -ERANGE);
+ g_assert_cmpfloat(res, ==, HUGE_VAL);
+ g_assert_true(endptr == str + 5);
+
+ str = "-9e+999";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -ERANGE);
+ g_assert_cmpfloat(res, ==, -HUGE_VAL);
+ g_assert_true(endptr == str + 7);
+
+ /* underflow */
+ str = "-9e-999";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -ERANGE);
+ g_assert_cmpfloat(res, >=, -DBL_MIN);
+ g_assert_cmpfloat(res, <=, -0.0);
+ g_assert_true(signbit(res));
+ g_assert_true(endptr == str + 7);
+}
+
+static void test_qemu_strtod_nonfinite(void)
+{
+ const char *str;
+ const char *endptr;
+ int err;
+ double res;
+
+ /* infinity */
+ str = "inf";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_true(isinf(res));
+ g_assert_false(signbit(res));
+ g_assert_true(endptr == str + 3);
+
+ str = "-infinity";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_true(isinf(res));
+ g_assert_true(signbit(res));
+ g_assert_true(endptr == str + 9);
+
+ /* not a number */
+ str = " NaN";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_true(isnan(res));
+ g_assert_true(endptr == str + 4);
+}
+
+static void test_qemu_strtod_trailing(void)
+{
+ const char *str;
+ const char *endptr;
+ int err;
+ double res;
+
+ /* trailing whitespace */
+ str = "1. ";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpfloat(res, ==, 1.0);
+ g_assert_true(endptr == str + 2);
+
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, NULL, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 1.0);
+
+ /* trailing e is not an exponent */
+ str = ".5e";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpfloat(res, ==, 0.5);
+ g_assert_true(endptr == str + 2);
+
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, NULL, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 0.5);
+
+ /* trailing ( not part of long NaN */
+ str = "nan(";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_true(isnan(res));
+ g_assert_true(endptr == str + 3);
+
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, NULL, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_true(isnan(res));
+}
+
+static void test_qemu_strtod_erange_junk(void)
+{
+ const char *str;
+ const char *endptr;
+ int err;
+ double res;
+
+ /* ERANGE with trailing junk... */
+ str = "1e-999junk";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -ERANGE);
+ g_assert_cmpfloat(res, <=, DBL_MIN);
+ g_assert_cmpfloat(res, >=, 0.0);
+ g_assert_false(signbit(res));
+ g_assert_true(endptr == str + 6);
+
+ /* ...has less priority than EINVAL when full parse not possible */
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, NULL, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 0.0);
+ g_assert_false(signbit(res));
+}
+
+static void test_qemu_strtod_finite_simple(void)
+{
+ const char *str;
+ const char *endptr;
+ int err;
+ double res;
+
+ /* no radix or exponent */
+ str = "1";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpfloat(res, ==, 1.0);
+ g_assert_true(endptr == str + 1);
+
+ /* leading space and sign */
+ str = " -0.0";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpfloat(res, ==, -0.0);
+ g_assert_true(signbit(res));
+ g_assert_true(endptr == str + 5);
+
+ /* fraction only */
+ str = "+.5";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpfloat(res, ==, 0.5);
+ g_assert_true(endptr == str + 3);
+
+ /* exponent */
+ str = "1.e+1";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpfloat(res, ==, 10.0);
+ g_assert_true(endptr == str + 5);
+
+ /* hex without radix */
+ str = "0x10";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpfloat(res, ==, 16.0);
+ g_assert_true(endptr == str + 4);
+}
+
+static void test_qemu_strtod_finite_einval(void)
+{
+ const char *str;
+ const char *endptr;
+ int err;
+ double res;
+
+ /* empty */
+ str = "";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 999.0);
+ g_assert_true(endptr == str);
+
+ /* NULL */
+ str = NULL;
+ endptr = "random";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 999.0);
+ g_assert_null(endptr);
+
+ /* not recognizable */
+ str = " junk";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 999.0);
+ g_assert_true(endptr == str);
+}
+
+static void test_qemu_strtod_finite_erange(void)
+{
+ const char *str;
+ const char *endptr;
+ int err;
+ double res;
+
+ /* overflow */
+ str = "9e999";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -ERANGE);
+ g_assert_cmpfloat(res, ==, HUGE_VAL);
+ g_assert_true(endptr == str + 5);
+
+ str = "-9e+999";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -ERANGE);
+ g_assert_cmpfloat(res, ==, -HUGE_VAL);
+ g_assert_true(endptr == str + 7);
+
+ /* underflow */
+ str = "-9e-999";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -ERANGE);
+ g_assert_cmpfloat(res, >=, -DBL_MIN);
+ g_assert_cmpfloat(res, <=, -0.0);
+ g_assert_true(signbit(res));
+ g_assert_true(endptr == str + 7);
+}
+
+static void test_qemu_strtod_finite_nonfinite(void)
+{
+ const char *str;
+ const char *endptr;
+ int err;
+ double res;
+
+ /* infinity */
+ str = "inf";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 999.0);
+ g_assert_true(endptr == str);
+
+ str = "-infinity";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 999.0);
+ g_assert_true(endptr == str);
+
+ /* not a number */
+ str = " NaN";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 999.0);
+ g_assert_true(endptr == str);
+}
+
+static void test_qemu_strtod_finite_trailing(void)
+{
+ const char *str;
+ const char *endptr;
+ int err;
+ double res;
+
+ /* trailing whitespace */
+ str = "1. ";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpfloat(res, ==, 1.0);
+ g_assert_true(endptr == str + 2);
+
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, NULL, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 999.0);
+
+ /* trailing e is not an exponent */
+ str = ".5e";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, 0);
+ g_assert_cmpfloat(res, ==, 0.5);
+ g_assert_true(endptr == str + 2);
+
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, NULL, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 999.0);
+
+ /* trailing ( not part of long NaN */
+ str = "nan(";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 999.0);
+ g_assert_true(endptr == str);
+
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, NULL, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 999.0);
+}
+
+static void test_qemu_strtod_finite_erange_junk(void)
+{
+ const char *str;
+ const char *endptr;
+ int err;
+ double res;
+
+ /* ERANGE with trailing junk... */
+ str = "1e-999junk";
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, &endptr, &res);
+ g_assert_cmpint(err, ==, -ERANGE);
+ g_assert_cmpfloat(res, <=, DBL_MIN);
+ g_assert_cmpfloat(res, >=, 0.0);
+ g_assert_false(signbit(res));
+ g_assert_true(endptr == str + 6);
+
+ /* ...has less priority than EINVAL when full parse not possible */
+ endptr = "somewhere";
+ res = 999;
+ err = qemu_strtod_finite(str, NULL, &res);
+ g_assert_cmpint(err, ==, -EINVAL);
+ g_assert_cmpfloat(res, ==, 999.0);
+}
+
static void test_qemu_strtosz_simple(void)
{
const char *str;
@@ -3631,6 +4114,35 @@ int main(int argc, char **argv)
g_test_add_func("/cutils/qemu_strtou64_full/erange_junk",
test_qemu_strtou64_full_erange_junk);
+ /* qemu_strtod() tests */
+ g_test_add_func("/cutils/qemu_strtod/simple",
+ test_qemu_strtod_simple);
+ g_test_add_func("/cutils/qemu_strtod/einval",
+ test_qemu_strtod_einval);
+ g_test_add_func("/cutils/qemu_strtod/erange",
+ test_qemu_strtod_erange);
+ g_test_add_func("/cutils/qemu_strtod/nonfinite",
+ test_qemu_strtod_nonfinite);
+ g_test_add_func("/cutils/qemu_strtod/trailing",
+ test_qemu_strtod_trailing);
+ g_test_add_func("/cutils/qemu_strtod/erange_junk",
+ test_qemu_strtod_erange_junk);
+
+ /* qemu_strtod_finite() tests */
+ g_test_add_func("/cutils/qemu_strtod_finite/simple",
+ test_qemu_strtod_finite_simple);
+ g_test_add_func("/cutils/qemu_strtod_finite/einval",
+ test_qemu_strtod_finite_einval);
+ g_test_add_func("/cutils/qemu_strtod_finite/erange",
+ test_qemu_strtod_finite_erange);
+ g_test_add_func("/cutils/qemu_strtod_finite/nonfinite",
+ test_qemu_strtod_finite_nonfinite);
+ g_test_add_func("/cutils/qemu_strtod_finite/trailing",
+ test_qemu_strtod_finite_trailing);
+ g_test_add_func("/cutils/qemu_strtod_finite/erange_junk",
+ test_qemu_strtod_finite_erange_junk);
+
+ /* qemu_strtosz() tests */
g_test_add_func("/cutils/strtosz/simple",
test_qemu_strtosz_simple);
g_test_add_func("/cutils/strtosz/hex",
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-28 15:17:14 +0000