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-rw-r--r--tests/unistr/test-u8-strchr.c149
1 files changed, 149 insertions, 0 deletions
diff --git a/tests/unistr/test-u8-strchr.c b/tests/unistr/test-u8-strchr.c
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+++ b/tests/unistr/test-u8-strchr.c
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+/* Test of u8_strchr() function.
+ Copyright (C) 2010-2015 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Paolo Bonzini <bonzini@gnu.org>, 2010. */
+
+#include <config.h>
+
+#include "unistr.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "zerosize-ptr.h"
+#include "macros.h"
+
+#define UNIT uint8_t
+#define U_UCTOMB u8_uctomb
+#define U32_TO_U u32_to_u8
+#define U_STRCHR u8_strchr
+#define U_SET u8_set
+#include "test-strchr.h"
+
+int
+main (void)
+{
+ test_strchr ();
+
+ /* Check that u8_strchr() does not read past the end of the string. */
+ {
+ char *page_boundary = (char *) zerosize_ptr ();
+
+ if (page_boundary != NULL)
+ {
+ UNIT *mem;
+
+ mem = (UNIT *) (page_boundary - 1 * sizeof (UNIT));
+ mem[0] = 0;
+ ASSERT (u8_strchr (mem, 0x55) == NULL);
+ ASSERT (u8_strchr (mem, 0x123) == NULL);
+ ASSERT (u8_strchr (mem, 0x3456) == NULL);
+ ASSERT (u8_strchr (mem, 0x23456) == NULL);
+
+ mem = (UNIT *) (page_boundary - 2 * sizeof (UNIT));
+ mem[0] = 0x50;
+ mem[1] = 0;
+ ASSERT (u8_strchr (mem, 0x55) == NULL);
+ ASSERT (u8_strchr (mem, 0x123) == NULL);
+ ASSERT (u8_strchr (mem, 0x3456) == NULL);
+ ASSERT (u8_strchr (mem, 0x23456) == NULL);
+
+ mem = (UNIT *) (page_boundary - 3 * sizeof (UNIT));
+ mem[0] = 0x50;
+ mem[1] = 0x50;
+ mem[2] = 0;
+ ASSERT (u8_strchr (mem, 0x55) == NULL);
+ ASSERT (u8_strchr (mem, 0x123) == NULL);
+ ASSERT (u8_strchr (mem, 0x3456) == NULL);
+ ASSERT (u8_strchr (mem, 0x23456) == NULL);
+
+ mem = (UNIT *) (page_boundary - 3 * sizeof (UNIT));
+ mem[0] = 0xC4; mem[1] = 0xA0; /* U+0120 */
+ mem[2] = 0;
+ ASSERT (u8_strchr (mem, 0x55) == NULL);
+ ASSERT (u8_strchr (mem, 0x123) == NULL);
+ ASSERT (u8_strchr (mem, 0x3456) == NULL);
+ ASSERT (u8_strchr (mem, 0x23456) == NULL);
+
+ mem = (UNIT *) (page_boundary - 3 * sizeof (UNIT));
+ mem[0] = 0xC5; mem[1] = 0xA3; /* U+0163 */
+ mem[2] = 0;
+ ASSERT (u8_strchr (mem, 0x55) == NULL);
+ ASSERT (u8_strchr (mem, 0x123) == NULL);
+ ASSERT (u8_strchr (mem, 0x3456) == NULL);
+ ASSERT (u8_strchr (mem, 0x23456) == NULL);
+
+ mem = (UNIT *) (page_boundary - 4 * sizeof (UNIT));
+ mem[0] = 0x50;
+ mem[1] = 0x50;
+ mem[2] = 0x50;
+ mem[3] = 0;
+ ASSERT (u8_strchr (mem, 0x55) == NULL);
+ ASSERT (u8_strchr (mem, 0x123) == NULL);
+ ASSERT (u8_strchr (mem, 0x3456) == NULL);
+ ASSERT (u8_strchr (mem, 0x23456) == NULL);
+
+ mem = (UNIT *) (page_boundary - 4 * sizeof (UNIT));
+ mem[0] = 0x50;
+ mem[1] = 0xC5; mem[2] = 0xA3; /* U+0163 */
+ mem[3] = 0;
+ ASSERT (u8_strchr (mem, 0x55) == NULL);
+ ASSERT (u8_strchr (mem, 0x123) == NULL);
+ ASSERT (u8_strchr (mem, 0x3456) == NULL);
+ ASSERT (u8_strchr (mem, 0x23456) == NULL);
+ ASSERT (u8_strchr (mem, 0x163) == mem + 1);
+
+ mem = (UNIT *) (page_boundary - 4 * sizeof (UNIT));
+ mem[0] = 0xE3; mem[1] = 0x91; mem[2] = 0x00; /* U+3450 */
+ mem[3] = 0;
+ ASSERT (u8_strchr (mem, 0x55) == NULL);
+ ASSERT (u8_strchr (mem, 0x123) == NULL);
+ ASSERT (u8_strchr (mem, 0x3456) == NULL);
+ ASSERT (u8_strchr (mem, 0x23456) == NULL);
+
+ mem = (UNIT *) (page_boundary - 4 * sizeof (UNIT));
+ mem[0] = 0xE3; mem[1] = 0x92; mem[2] = 0x96; /* U+3496 */
+ mem[3] = 0;
+ ASSERT (u8_strchr (mem, 0x55) == NULL);
+ ASSERT (u8_strchr (mem, 0x123) == NULL);
+ ASSERT (u8_strchr (mem, 0x3456) == NULL);
+ ASSERT (u8_strchr (mem, 0x23456) == NULL);
+
+ mem = (UNIT *) (page_boundary - 5 * sizeof (UNIT));
+ mem[0] = 0x50;
+ mem[1] = 0x50;
+ mem[2] = 0x50;
+ mem[3] = 0x50;
+ mem[4] = 0;
+ ASSERT (u8_strchr (mem, 0x55) == NULL);
+ ASSERT (u8_strchr (mem, 0x123) == NULL);
+ ASSERT (u8_strchr (mem, 0x3456) == NULL);
+ ASSERT (u8_strchr (mem, 0x23456) == NULL);
+
+ mem = (UNIT *) (page_boundary - 5 * sizeof (UNIT));
+ mem[0] = 0x50;
+ mem[1] = 0xE3; mem[2] = 0x92; mem[3] = 0x96; /* U+3496 */
+ mem[4] = 0;
+ ASSERT (u8_strchr (mem, 0x55) == NULL);
+ ASSERT (u8_strchr (mem, 0x123) == NULL);
+ ASSERT (u8_strchr (mem, 0x3456) == NULL);
+ ASSERT (u8_strchr (mem, 0x23456) == NULL);
+ ASSERT (u8_strchr (mem, 0x3496) == mem + 1);
+ }
+ }
+
+ return 0;
+}