More testing.

[disorder] / lib / t-syscalls.c

diff --git a/lib/t-syscalls.c b/lib/t-syscalls.c
new file mode 100644 (file)
index 0000000..6fcf413
--- /dev/null
+++ b/lib/t-syscalls.c
@@ -0,0 +1,103 @@
+/*
+ * This file is part of DisOrder.
+ * Copyright (C) 2008 Richard Kettlewell
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+#include "test.h"
+
+void test_syscalls(void) {
+  int p[2];
+  char buf[128], *e;
+  long n;
+  long long nn;
+  
+  printf("test_syscalls\n");
+
+  xpipe(p);
+  nonblock(p[1]);
+  memset(buf, 99, sizeof buf);
+  errno = 0;
+  while(write(p[1], buf, sizeof buf) > 0)
+    errno = 0;
+  insist(errno == EAGAIN);
+  memset(buf, 0, sizeof buf);
+  insist(read(p[0], buf, sizeof buf) == sizeof buf);
+  insist(buf[0] == 99);
+  insist(buf[(sizeof buf) - 1] == 99);
+
+  xclose(p[0]);
+  xclose(p[1]);
+  errno = 0;
+  insist(read(p[0], buf, sizeof buf) < 0);
+  insist(errno == EBADF);
+  errno = 0;
+  insist(write(p[1], buf, sizeof buf) < 0);
+  insist(errno == EBADF);
+
+  n = 0;
+  e = 0;
+  sprintf(buf, "%ld", LONG_MAX);
+  insist(xstrtol(&n, buf, &e, 0) == 0);
+  insist(n == LONG_MAX);
+  insist(e == buf + strlen(buf));
+
+  n = 0;
+  e = 0;
+  sprintf(buf, "%ld0", LONG_MAX);
+  insist(xstrtol(&n, buf, &e, 0) == ERANGE);
+  insist(n == LONG_MAX);
+  insist(e == buf + strlen(buf));
+
+  n = 0;
+  e = 0;
+  sprintf(buf, "%ldxyzzy", LONG_MAX);
+  insist(xstrtol(&n, buf, &e, 0) == 0);
+  insist(n == LONG_MAX);
+  insist(e != 0);
+  check_string(e, "xyzzy");
+
+  nn = 0;
+  e = 0;
+  sprintf(buf, "%lld", LLONG_MAX);
+  insist(xstrtoll(&nn, buf, &e, 0) == 0);
+  insist(nn == LLONG_MAX);
+  insist(e == buf + strlen(buf));
+
+  nn = 0;
+  e = 0;
+  sprintf(buf, "%lld0", LLONG_MAX);
+  insist(xstrtoll(&nn, buf, &e, 0) == ERANGE);
+  insist(nn == LLONG_MAX);
+  insist(e == buf + strlen(buf));
+
+  nn = 0;
+  e = 0;
+  sprintf(buf, "%lldxyzzy", LLONG_MAX);
+  insist(xstrtoll(&nn, buf, &e, 0) == 0);
+  insist(nn == LLONG_MAX);
+  insist(e != 0);
+  check_string(e, "xyzzy");  
+}
+
+/*
+Local Variables:
+c-basic-offset:2
+comment-column:40
+fill-column:79
+indent-tabs-mode:nil
+End:
+*/