Squashed 'lib/mbedtls/external/mbedtls/' content from commit 2ca6c285a0dd

git-subtree-dir: lib/mbedtls/external/mbedtls
git-subtree-split: 2ca6c285a0dd3f33982dd57299012dacab1ff206
diff --git a/tests/suites/test_suite_error.function b/tests/suites/test_suite_error.function
new file mode 100644
index 0000000..4c38ab0
--- /dev/null
+++ b/tests/suites/test_suite_error.function
@@ -0,0 +1,21 @@
+/* BEGIN_HEADER */
+#include "mbedtls/error.h"
+/* END_HEADER */
+
+/* BEGIN_DEPENDENCIES
+ * depends_on:MBEDTLS_ERROR_C
+ * END_DEPENDENCIES
+ */
+
+/* BEGIN_CASE */
+void error_strerror(int code, char *result_str)
+{
+    char buf[500];
+
+    memset(buf, 0, sizeof(buf));
+
+    mbedtls_strerror(code, buf, 500);
+
+    TEST_ASSERT(strcmp(buf, result_str) == 0);
+}
+/* END_CASE */