3 files changed, 61 insertions, 3 deletions

diff --git a/tests/Makefile b/tests/Makefile
index c18898e..32b17b0 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -1,4 +1,4 @@
-CFLAGS+=-I../include/ -D_FORTIFY_SOURCE=3 -static -O2 -DPEDANTIC_CHECKS
+CFLAGS+=-I../include/ -D_FORTIFY_SOURCE=3 -static -O2 -DPEDANTIC_CHECKS -Wno-format
 
 COMPTIME_TARGETS= \
         test_memcpy_overwrite_under  \
@@ -12,6 +12,7 @@ RUNTIME_TARGETS= \
         test_FD_SET_negative         \
         test_FD_ISSET_SETSIZE        \
         test_FD_ISSET_negative       \
+        test_asprintf                \
         test_bcopy_dynamic_read      \
         test_bcopy_dynamic_write     \
         test_bcopy_static_read       \
@@ -126,11 +127,12 @@ RUNTIME_TARGETS= \
         test_ttyname_r_dynamic       \
         test_ttyname_r_static        \
         test_umask                   \
+        test_vasprintf               \
+        test_vfprintf                \
+        test_vprintf                 \
         test_vsnprintf_dynamic       \
         test_vsnprintf_static        \
         test_vsprintf                \
-        test_vfprintf                \
-        test_vprintf                 \
         test_wcscat_static_write     \
         test_wcscpy_static_write     \
         test_wcsncat_static_write    \
diff --git a/tests/test_asprintf.c b/tests/test_asprintf.c
new file mode 100644
index 0000000..a02d110
--- /dev/null
+++ b/tests/test_asprintf.c
@@ -0,0 +1,20 @@
+#define _GNU_SOURCE
+#include "common.h"
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char** argv) {
+    char* buf;
+    asprintf(&buf, "total: %d+%d=%d", 1, 2, 3);
+    puts(buf);
+    free(buf);
+
+#ifndef __clang__
+    asprintf(&buf, "total: %", 1);
+    assert(buf == NULL);
+#endif
+
+    return 0;
+}
diff --git a/tests/test_vasprintf.c b/tests/test_vasprintf.c
new file mode 100644
index 0000000..2f71714
--- /dev/null
+++ b/tests/test_vasprintf.c
@@ -0,0 +1,36 @@
+#define _GNU_SOURCE
+#include "common.h"
+
+#include <assert.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void test(const char *fmt, ...)
+{
+    char* buf;
+    va_list args;
+    va_start(args, fmt);
+    vasprintf(&buf, fmt, args);
+    va_end(args);
+    puts(buf);
+    free(buf);
+}
+
+void test2(const char *fmt, ...)
+{
+    char* buf;
+    va_list args;
+    va_start(args, fmt);
+    vasprintf(&buf, fmt, args);
+    va_end(args);
+    assert(buf == NULL);
+}
+
+int main(int argc, char** argv) {
+    test("Total: %d+%d=%d", 1, 2, 3);
+#ifndef __clang__
+    test2("Total: %", 1, 2, 3);
+#endif
+    return 0;
+}