tests: Add tests for assert_int_in_range()

src/cmocka.def

@@ -7,6 +7,7 @@ EXPORTS
     _assert_in_range
     _assert_in_set
     _assert_int_equal
+    _assert_int_in_range
     _assert_int_not_equal
     _assert_memory_equal
     _assert_memory_not_equal

tests/CMakeLists.txt

@@ -27,6 +27,7 @@ set(CMOCKA_TESTS
     test_assert_macros_fail
     test_assert_u_int
     test_assert_u_int_fail
+    test_assert_range
     test_basics
     test_skip
     test_stop

tests/test_assert_range.c

@@ -0,0 +1,25 @@
+#include "config.h"
+
+#include <stdarg.h>
+#include <stddef.h>
+#include <setjmp.h>
+#include <stdint.h>
+#include <cmocka.h>
+#include <cmocka_private.h>
+
+static void test_assert_int_in_range(void **state)
+{
+    (void)state; /* unused */
+    assert_int_in_range(0, 0, 1);
+    assert_int_in_range(1, 0, 1);
+    assert_int_in_range(0, -1, 1);
+    assert_int_in_range(0, INTMAX_MIN, INTMAX_MAX);
+}
+
+int main(void) {
+    const struct CMUnitTest range_tests[] = {
+        cmocka_unit_test(test_assert_int_in_range),
+    };
+
+    return cmocka_run_group_tests(range_tests, NULL, NULL);
+}