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-rw-r--r--src/test/test-json.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/src/test/test-json.c b/src/test/test-json.c
index 415ada22bf..d22485630a 100644
--- a/src/test/test-json.c
+++ b/src/test/test-json.c
@@ -1,7 +1,6 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <float.h>
-#include <math.h>
#include "alloc-util.h"
#include "escape.h"
@@ -9,6 +8,7 @@
#include "fileio.h"
#include "json-internal.h"
#include "json.h"
+#include "math-util.h"
#include "string-util.h"
#include "strv.h"
#include "tests.h"
@@ -239,9 +239,7 @@ static void test_zeroes(JsonVariant *v) {
assert_se(json_variant_integer(w) == 0);
assert_se(json_variant_unsigned(w) == 0U);
- DISABLE_WARNING_FLOAT_EQUAL;
- assert_se(json_variant_real(w) == 0.0L);
- REENABLE_WARNING;
+ assert_se(iszero_safe(json_variant_real(w)));
assert_se(json_variant_is_integer(w));
assert_se(json_variant_is_unsigned(w));
@@ -511,7 +509,7 @@ static void test_float_match(JsonVariant *v) {
const double delta = 0.0001;
assert_se(json_variant_is_array(v));
- assert_se(json_variant_elements(v) == 9);
+ assert_se(json_variant_elements(v) == 11);
assert_se(fabs(1.0 - (DBL_MIN / json_variant_real(json_variant_by_index(v, 0)))) <= delta);
assert_se(fabs(1.0 - (DBL_MAX / json_variant_real(json_variant_by_index(v, 1)))) <= delta);
assert_se(json_variant_is_null(json_variant_by_index(v, 2))); /* nan is not supported by json → null */
@@ -528,6 +526,12 @@ static void test_float_match(JsonVariant *v) {
assert_se(json_variant_is_real(json_variant_by_index(v, 8)) &&
json_variant_is_integer(json_variant_by_index(v, 8)) &&
json_variant_integer(json_variant_by_index(v, 8)) == -10);
+ assert_se(json_variant_is_real(json_variant_by_index(v, 9)) &&
+ !json_variant_is_integer(json_variant_by_index(v, 9)));
+ assert_se(fabs(1.0 - (DBL_MIN / 2 / json_variant_real(json_variant_by_index(v, 9)))) <= delta);
+ assert_se(json_variant_is_real(json_variant_by_index(v, 10)) &&
+ !json_variant_is_integer(json_variant_by_index(v, 10)));
+ assert_se(fabs(1.0 - (-DBL_MIN / 2 / json_variant_real(json_variant_by_index(v, 10)))) <= delta);
}
TEST(float) {
@@ -543,7 +547,9 @@ TEST(float) {
JSON_BUILD_REAL(HUGE_VAL),
JSON_BUILD_REAL(0),
JSON_BUILD_REAL(10),
- JSON_BUILD_REAL(-10))) >= 0);
+ JSON_BUILD_REAL(-10),
+ JSON_BUILD_REAL(DBL_MIN / 2),
+ JSON_BUILD_REAL(-DBL_MIN / 2))) >= 0);
json_variant_dump(v, JSON_FORMAT_COLOR|JSON_FORMAT_PRETTY, NULL, NULL);