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-rw-r--r--lib/libc/tests/string/wcscoll_test.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/lib/libc/tests/string/wcscoll_test.c b/lib/libc/tests/string/wcscoll_test.c
index 2f2472b..022ad8e 100644
--- a/lib/libc/tests/string/wcscoll_test.c
+++ b/lib/libc/tests/string/wcscoll_test.c
@@ -1,5 +1,7 @@
/*-
* Copyright (c) 2016 Baptiste Daroussin <bapt@FreeBSD.org>
+ * Copyright 2016 Tom Lane <tgl@sss.pgh.pa.us>
+ * Copyright 2017 Nexenta Systems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -30,6 +32,8 @@ __FBSDID("$FreeBSD$");
#include <wchar.h>
#include <locale.h>
#include <stdlib.h>
+#include <time.h>
+#include <errno.h>
#include <atf-c.h>
@@ -55,9 +59,98 @@ ATF_TC_BODY(russian_collation, tc)
"Bad collation, expected: '%ls' got '%ls'", res, c);
}
+#define NSTRINGS 2000
+#define MAXSTRLEN 20
+#define MAXXFRMLEN (MAXSTRLEN * 20)
+
+typedef struct {
+ char sval[MAXSTRLEN];
+ char xval[MAXXFRMLEN];
+} cstr;
+
+ATF_TC_WITHOUT_HEAD(strcoll_vs_strxfrm);
+ATF_TC_BODY(strcoll_vs_strxfrm, tc)
+{
+ cstr data[NSTRINGS];
+ char *curloc;
+ int i, j;
+
+ curloc = setlocale(LC_ALL, "en_US.UTF-8");
+ ATF_CHECK_MSG(curloc != NULL, "Fail to set locale");
+
+ /* Ensure new random() values on every run */
+ srandom((unsigned int) time(NULL));
+
+ /* Generate random UTF8 strings of length less than MAXSTRLEN bytes */
+ for (i = 0; i < NSTRINGS; i++) {
+ char *p;
+ int len;
+
+again:
+ p = data[i].sval;
+ len = 1 + (random() % (MAXSTRLEN - 1));
+ while (len > 0) {
+ int c;
+ /*
+ * Generate random printable char in ISO8859-1 range.
+ * Bias towards producing a lot of spaces.
+ */
+
+ if ((random() % 16) < 3) {
+ c = ' ';
+ } else {
+ do {
+ c = random() & 0xFF;
+ } while (!((c >= ' ' && c <= 127) ||
+ (c >= 0xA0 && c <= 0xFF)));
+ }
+
+ if (c <= 127) {
+ *p++ = c;
+ len--;
+ } else {
+ if (len < 2)
+ break;
+ /* Poor man's utf8-ification */
+ *p++ = 0xC0 + (c >> 6);
+ len--;
+ *p++ = 0x80 + (c & 0x3F);
+ len--;
+ }
+ }
+ *p = '\0';
+ /* strxfrm() each string as we produce it */
+ errno = 0;
+ ATF_CHECK_MSG(strxfrm(data[i].xval, data[i].sval,
+ MAXXFRMLEN) < MAXXFRMLEN, "strxfrm() result for %d-length "
+ " string exceeded %d bytes", (int)strlen(data[i].sval),
+ MAXXFRMLEN);
+
+ /*
+ * Amend strxfrm() failing on certain characters to be fixed and
+ * test later
+ */
+ if (errno != 0)
+ goto again;
+ }
+
+ for (i = 0; i < NSTRINGS; i++) {
+ for (j = 0; j < NSTRINGS; j++) {
+ int sr = strcoll(data[i].sval, data[j].sval);
+ int sx = strcmp(data[i].xval, data[j].xval);
+
+ ATF_CHECK_MSG(!((sr * sx < 0) ||
+ (sr * sx == 0 && sr + sx != 0)),
+ "%s: diff for \"%s\" and \"%s\"",
+ curloc, data[i].sval, data[j].sval);
+ }
+ }
+}
+
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, russian_collation);
+ ATF_TP_ADD_TC(tp, strcoll_vs_strxfrm);
return (atf_no_error());
}
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