tests/unit/test_typetraits.c: Add tests for typetraits.h macros

Suggested-by: "Serge E. Hallyn" <serge@hallyn.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>

diff --git a/tests/unit/Makefile.am b/tests/unit/Makefile.am
index d89367a3702f23a8dd4bcdaba80beb93c72651f2..21490f15dbf753f66f891e08d6019257d5e20972 100644 (file)
--- a/tests/unit/Makefile.am
+++ b/tests/unit/Makefile.am
@@ -10,6 +10,7 @@ check_PROGRAMS = \
     test_sprintf \
     test_strncpy \
     test_strtcpy \
+    test_typetraits \
     test_xasprintf \
     test_zustr2stp
 
@@ -115,6 +116,18 @@ test_strtcpy_LDADD = \
     $(CMOCKA_LIBS) \
     $(NULL)
 
+test_typetraits_SOURCES = \
+    test_typetraits.c \
+    $(NULL)
+test_typetraits_CFLAGS = \
+    $(AM_CFLAGS) \
+    $(NULL)
+test_typetraits_LDFLAGS = \
+    $(NULL)
+test_typetraits_LDADD = \
+    $(CMOCKA_LIBS) \
+    $(NULL)
+
 test_xasprintf_SOURCES = \
     ../../lib/string/sprintf.c \
     test_xasprintf.c \

diff --git a/tests/unit/test_typetraits.c b/tests/unit/test_typetraits.c
new file mode 100644 (file)
index 0000000..4aeb616
--- /dev/null
+++ b/tests/unit/test_typetraits.c
@@ -0,0 +1,55 @@
+// SPDX-FileCopyrightText: 2024, Alejandro Colomar <alx@kernel.org>
+// SPDX-License-Identifier: BSD-3-Clause
+
+
+#include <config.h>
+
+#include <stdarg.h>  // Required by <cmocka.h>
+#include <stddef.h>  // Required by <cmocka.h>
+#include <setjmp.h>  // Required by <cmocka.h>
+#include <stdint.h>  // Required by <cmocka.h>
+#include <cmocka.h>
+
+#include "typetraits.h"
+
+
+static void test_type_max(void **state);
+static void test_type_min(void **state);
+
+
+int
+main(void)
+{
+       const struct CMUnitTest  tests[] = {
+               cmocka_unit_test(test_type_max),
+               cmocka_unit_test(test_type_min),
+       };
+
+       return cmocka_run_group_tests(tests, NULL, NULL);
+}
+
+
+static void
+test_type_max(void **state)
+{
+       assert_true(type_max(long) == LONG_MAX);
+       assert_true(type_max(unsigned long) == ULONG_MAX);
+       assert_true(type_max(int) == INT_MAX);
+       assert_true(type_max(unsigned short) == USHRT_MAX);
+       assert_true(type_max(char) == CHAR_MAX);
+       assert_true(type_max(signed char) == SCHAR_MAX);
+       assert_true(type_max(unsigned char) == UCHAR_MAX);
+}
+
+
+static void
+test_type_min(void **state)
+{
+       assert_true(type_min(long) == LONG_MIN);
+       assert_true(type_min(unsigned long) == 0);
+       assert_true(type_min(int) == INT_MIN);
+       assert_true(type_min(unsigned short) == 0);
+       assert_true(type_min(char) == CHAR_MIN);
+       assert_true(type_min(signed char) == SCHAR_MIN);
+       assert_true(type_min(unsigned char) == 0);
+}