Handle empty strings correctly.

[gnulib.git] / tests / uninorm / test-u16-nfkc.c

diff --git a/tests/uninorm/test-u16-nfkc.c b/tests/uninorm/test-u16-nfkc.c
index aa7bc2c..df64804 100644 (file)
--- a/tests/uninorm/test-u16-nfkc.c
+++ b/tests/uninorm/test-u16-nfkc.c
@@ -103,6 +103,9 @@ check (const uint16_t *input, size_t input_length,
 void
 test_u16_nfkc (void)
 {
+  { /* Empty string.  */
+    ASSERT (check (NULL, 0, NULL, 0) == 0);
+  }
   { /* SPACE */
     static const uint16_t input[]    = { 0x0020 };
     ASSERT (check (input, SIZEOF (input), input, SIZEOF (input)) == 0);