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-rw-r--r--string/test-strncat.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/string/test-strncat.c b/string/test-strncat.c
index 55d6cc5762..26a6b5b91d 100644
--- a/string/test-strncat.c
+++ b/string/test-strncat.c
@@ -284,12 +284,23 @@ test_main (void)
       do_test (0, 0, 8, 8, n, SMALL_CHAR);
       do_test (0, 8, 8, 8, n, SMALL_CHAR);
 
+      do_test (0, 2, 2, 2, SIZE_MAX, SMALL_CHAR);
+      do_test (0, 0, 4, 4, SIZE_MAX, SMALL_CHAR);
+      do_test (4, 0, 4, 4, SIZE_MAX, BIG_CHAR);
+      do_test (0, 0, 8, 8, SIZE_MAX, SMALL_CHAR);
+      do_test (0, 8, 8, 8, SIZE_MAX, SMALL_CHAR);
+
       for (i = 1; i < 8; ++i)
 	{
 	  do_test (0, 0, 8 << i, 8 << i, n, SMALL_CHAR);
 	  do_test (8 - i, 2 * i, 8 << i, 8 << i, n, SMALL_CHAR);
 	  do_test (0, 0, 8 << i, 2 << i, n, SMALL_CHAR);
 	  do_test (8 - i, 2 * i, 8 << i, 2 << i, n, SMALL_CHAR);
+
+	  do_test (0, 0, 8 << i, 8 << i, SIZE_MAX, SMALL_CHAR);
+	  do_test (8 - i, 2 * i, 8 << i, 8 << i, SIZE_MAX, SMALL_CHAR);
+	  do_test (0, 0, 8 << i, 2 << i, SIZE_MAX, SMALL_CHAR);
+	  do_test (8 - i, 2 * i, 8 << i, 2 << i, SIZE_MAX, SMALL_CHAR);
 	}
 
       for (i = 1; i < 8; ++i)
@@ -297,6 +308,10 @@ test_main (void)
 	  do_test (i, 2 * i, 8 << i, 1, n, SMALL_CHAR);
 	  do_test (2 * i, i, 8 << i, 1, n, BIG_CHAR);
 	  do_test (i, i, 8 << i, 10, n, SMALL_CHAR);
+
+	  do_test (i, 2 * i, 8 << i, 1, SIZE_MAX, SMALL_CHAR);
+	  do_test (2 * i, i, 8 << i, 1, SIZE_MAX, BIG_CHAR);
+	  do_test (i, i, 8 << i, 10, SIZE_MAX, SMALL_CHAR);
 	}
     }