aboutsummaryrefslogtreecommitdiff
path: root/libio/tst-fopenloc2.c
diff options
context:
space:
mode:
Diffstat (limited to 'libio/tst-fopenloc2.c')
-rw-r--r--libio/tst-fopenloc2.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/libio/tst-fopenloc2.c b/libio/tst-fopenloc2.c
new file mode 100644
index 0000000000..5ddd63446b
--- /dev/null
+++ b/libio/tst-fopenloc2.c
@@ -0,0 +1,116 @@
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <wchar.h>
+
+
+static const struct
+{
+ const char *enc;
+ const char *data;
+ size_t datalen;
+ const wchar_t *expected;
+ size_t expectedlen;
+} tests[] =
+ {
+ { "UCS-4LE", "a\0\0\0b\0\0\0", 8, L"ab", 2 },
+ { "UCS-4BE", "\0\0\0a\0\0\0b", 8, L"ab", 2 },
+ };
+#define ntests (sizeof (tests) / sizeof (tests[0]))
+
+
+static int do_test (void);
+#define TEST_FUNCTION do_test ()
+
+static void prepare (void);
+#define PREPARE(argc, argv) prepare ();
+
+#include "../test-skeleton.c"
+
+
+static int fd;
+static char *tmpname;
+
+
+static void
+prepare (void)
+{
+ fd = create_temp_file ("tst-fopenloc2", &tmpname);
+ if (fd == -1)
+ {
+ puts ("cannot open temp file");
+ exit (1);
+ }
+}
+
+
+static int
+do_test (void)
+{
+ for (int i = 0; i < ntests; ++i)
+ {
+ if (ftruncate (fd, 0) != 0)
+ {
+ printf ("ftruncate in round %d failed\n", i + 1);
+ return 1;
+ }
+
+ if (TEMP_FAILURE_RETRY (write (fd, tests[i].data, tests[i].datalen))
+ != tests[i].datalen)
+ {
+ printf ("write in round %d failed\n", i + 1);
+ return 1;
+ }
+
+ if (lseek (fd, 0, SEEK_SET) != 0)
+ {
+ printf ("lseek in round %d failed\n", i + 1);
+ return 1;
+ }
+
+ char *ccs;
+ if (asprintf (&ccs, "r,ccs=%s", tests[i].enc) == -1)
+ {
+ printf ("asprintf in round %d failed\n", i + 1);
+ return 1;
+ }
+
+ FILE *fp = fopen (tmpname, ccs);
+ if (fp == NULL)
+ {
+ printf ("fopen in round %d failed\n", i + 1);
+ return 1;
+ }
+
+#define LINELEN 100
+ wchar_t line[LINELEN];
+ if (fgetws (line, LINELEN, fp) != line)
+ {
+ printf ("fgetws in round %d failed\n", i + 1);
+ return 1;
+ }
+
+ if (wcslen (line) != tests[i].expectedlen)
+ {
+ printf ("round %d: expected length %zu, got length %zu\n",
+ i + 1, tests[i].expectedlen, wcslen (line));
+ return 1;
+ }
+
+ if (wcscmp (tests[i].expected, line) != 0)
+ {
+ printf ("round %d: expected L\"%ls\", got L\"%ls\"\n",
+ i + 1, tests[i].expected, line);
+ return 1;
+ }
+
+ fclose (fp);
+
+ free (ccs);
+ }
+
+ close (fd);
+
+ return 0;
+}