Fix glob with empty pattern

[platform/upstream/glibc.git] / posix / ptestcases.h

diff --git a/posix/ptestcases.h b/posix/ptestcases.h
index 2819004..506b1cc 100644 (file)
--- a/posix/ptestcases.h
+++ b/posix/ptestcases.h
@@ -221,11 +221,18 @@
   { 1, 20, "a\\(.*b\\)c", "axcaxbbbcsxbbbbbbbbc",  },
   { 0, 0, "GA135", NULL, },
   { 1, 7, "\\(a\\(b\\(c\\(d\\(e\\)\\)\\)\\)\\)\\4", "abcdededede",  },
-  { 1, 2, "a\\(b\\)*c\\1", "acb",  },
+  { 0, 0, NULL, "POSIX does not really specify whether a\\(b\\)*c\\1 matches acb." },
+  { 0, 0, NULL, "back references are supposed to expand to the last match, but what" },
+  { 0, 0, NULL, "if there never was a match as in this case?" },
+  { -1, -1, "a\\(b\\)*c\\1", "acb",  },
   { 1, 11, "\\(a\\(b\\(c\\(d\\(e\\(f\\(g\\)h\\(i\\(j\\)\\)\\)\\)\\)\\)\\)\\)\\9", "abcdefghijjk",  },
   { 0, 0, "GA136", NULL, },
-  { 1, 2, "a\\(b\\)*c\\1", "acb",  },
-  { 4, 7, "a\\(b\\(c\\(d\\(f\\)*\\)\\)\\)\\4", "xYzabcdePQRST",  },
+  { 0, 0, NULL, "These two tests have the same problem as the test in GA135.  No match" },
+  { 0, 0, NULL, "of a subexpression, why should the back reference be usable?" },
+  { 0, 0, NULL, "1 2 a\\(b\\)*c\\1 acb" },
+  { 0, 0, NULL, "4 7 a\\(b\\(c\\(d\\(f\\)*\\)\\)\\)\\4¦xYzabcdePQRST" },
+  { -1, -1, "a\\(b\\)*c\\1", "acb",  },
+  { -1, -1, "a\\(b\\(c\\(d\\(f\\)*\\)\\)\\)\\4", "xYzabcdePQRST",  },
   { 0, 0, "GA137", NULL, },
   { -2, -2, "\\(a\\(b\\)\\)\\3", "foo",  },
   { -2, -2, "\\(a\\(b\\)\\)\\(a\\(b\\)\\)\\5", "foo",  },