Imported Upstream version 0.10

1 files changed, 73 insertions, 0 deletions

diff --git a/tests/portable/mkstemp-t.c b/tests/portable/mkstemp-t.c
new file mode 100644
index 0000000..54701f7
--- /dev/null
+++ b/tests/portable/mkstemp-t.c
@@ -0,0 +1,73 @@
+/*
+ * mkstemp test suite.
+ *
+ * Written by Russ Allbery <rra@stanford.edu>
+ * Copyright 2002, 2004, 2008, 2009
+ *     Board of Trustees, Leland Stanford Jr. University
+ *
+ * See LICENSE for licensing terms.
+ */
+
+#include <config.h>
+#include <portable/system.h>
+
+#include <errno.h>
+#include <sys/stat.h>
+
+#include <tests/tap/basic.h>
+
+int test_mkstemp(char *template);
+
+int
+main(void)
+{
+    int fd;
+    char template[] = "tsXXXXXXX";
+    char tooshort[] = "XXXXX";
+    char bad1[] = "/foo/barXXXXX";
+    char bad2[] = "/foo/barXXXXXX.out";
+    char buffer[256];
+    struct stat st1, st2;
+    ssize_t length;
+
+    plan(20);
+
+    /* First, test a few error messages. */
+    errno = 0;
+    is_int(-1, test_mkstemp(tooshort), "too short of template");
+    is_int(EINVAL, errno, "...with correct errno");
+    is_string("XXXXX", tooshort, "...and template didn't change");
+    errno = 0;
+    is_int(-1, test_mkstemp(bad1), "bad template");
+    is_int(EINVAL, errno, "...with correct errno");
+    is_string("/foo/barXXXXX", bad1, "...and template didn't change");
+    errno = 0;
+    is_int(-1, test_mkstemp(bad2), "template doesn't end in XXXXXX");
+    is_int(EINVAL, errno, "...with correct errno");
+    is_string("/foo/barXXXXXX.out", bad2, "...and template didn't change");
+    errno = 0;
+
+    /* Now try creating a real file. */
+    fd = test_mkstemp(template);
+    ok(fd >= 0, "mkstemp works with valid template");
+    ok(strcmp(template, "tsXXXXXXX") != 0, "...and template changed");
+    ok(strncmp(template, "tsX", 3) == 0, "...and didn't touch first X");
+    ok(access(template, F_OK) == 0, "...and the file exists");
+
+    /* Make sure that it's the same file as template refers to now. */
+    ok(stat(template, &st1) == 0, "...and stat of template works");
+    ok(fstat(fd, &st2) == 0, "...and stat of open file descriptor works");
+    ok(st1.st_ino == st2.st_ino, "...and they're the same file");
+    unlink(template);
+
+    /* Make sure the open mode is correct. */
+    length = strlen(template);
+    is_int(length, write(fd, template, length), "write to open file works");
+    ok(lseek(fd, 0, SEEK_SET) == 0, "...and rewind works");
+    is_int(length, read(fd, buffer, length), "...and the data is there");
+    buffer[length] = '\0';
+    is_string(template, buffer, "...and matches what we wrote");
+    close(fd);
+
+    return 0;
+}