rfc822: new module.

[ccan] / ccan / rfc822 / test / run-unfold.c

diff --git a/ccan/rfc822/test/run-unfold.c b/ccan/rfc822/test/run-unfold.c
new file mode 100644 (file)
index 0000000..b952926
--- /dev/null
+++ b/ccan/rfc822/test/run-unfold.c
@@ -0,0 +1,121 @@
+#include <ccan/foreach/foreach.h>
+#include <ccan/failtest/failtest_override.h>
+#include <ccan/failtest/failtest.h>
+#include <ccan/tap/tap.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define CCAN_RFC822_DEBUG
+
+#include <ccan/rfc822/rfc822.h>
+
+#include <ccan/rfc822/rfc822.c>
+
+#include "testdata.h"
+#include "helper.h"
+
+#define UNFOLDED " This is a string with\tlots of \tplaces to fold"
+#define FOLD_POINTS 11
+
+#define BEFORE "Date: Tue, 22 Feb 2011 00:15:59 +1100\n" \
+       "From: Mister From <from@example.com>\n" \
+       "To: Mizz To <to@example.org>\n" \
+       "Subject:"
+
+#define AFTER "Message-ID: <20110221131559.GA28327@example>\n" \
+       "\n" \
+       "body"
+
+static struct bytestring fold_and_assemble(int foldat, int crlf, int truncated)
+{
+       char *buf, *p;
+       int i, n = 0;
+
+       buf = talloc_array(NULL, char, strlen(BEFORE) + strlen(AFTER) + 3*strlen(UNFOLDED) + 2);
+       if (!buf)
+               exit(0);
+
+       memcpy(buf, BEFORE, strlen(BEFORE));
+
+       p = buf + strlen(BEFORE);
+
+       for (i = 0; i < strlen(UNFOLDED); i++) {
+               if (rfc822_iswsp(UNFOLDED[i])) {
+                       n++;
+                       if ((foldat == -1) || (foldat == n)) {
+                               if (crlf)
+                                       *p++ = '\r';
+                               *p++ = '\n';
+                       }
+               }
+               *p++ = UNFOLDED[i];
+       }
+
+       if (!truncated) {
+               if (crlf)
+                       *p++ = '\r';
+               *p++ = '\n';
+
+               memcpy(p, AFTER, strlen(AFTER));
+               p += strlen(AFTER);
+       }
+
+       return bytestring(buf, p - buf);
+}
+
+static void check_folded_header(const char *buf, size_t len)
+{
+       struct rfc822_msg *msg;
+       struct rfc822_header *hdr;
+       struct bytestring hunfold;
+
+       msg = rfc822_start(NULL, buf, len);
+       allocation_failure_check();
+
+       hdr = rfc822_first_header(msg);
+       allocation_failure_check();
+       hdr = rfc822_next_header(msg, hdr);
+       allocation_failure_check();
+       hdr = rfc822_next_header(msg, hdr);
+       allocation_failure_check();
+
+       /* This is the one we care about */
+       hdr = rfc822_next_header(msg, hdr);
+       allocation_failure_check();
+
+       ok(hdr && (rfc822_header_errors(msg, hdr) == 0), "Folded header valid");
+       allocation_failure_check();
+
+       hunfold = rfc822_header_unfolded_value(msg, hdr);
+       allocation_failure_check();
+
+       ok(hunfold.len == strlen(UNFOLDED), "Unfolded length %d, should be %d",
+          hunfold.len, strlen(UNFOLDED));
+       ok1(memcmp(hunfold.ptr, UNFOLDED, hunfold.len) == 0);
+
+       rfc822_free(msg);
+       allocation_failure_check();
+}
+
+int main(int argc, char *argv[])
+{
+       struct bytestring msgbuf;
+       int crlf, truncated, i;
+
+       failtest_setup(argc, argv);
+
+       plan_tests(3 * 2 * 2 * (FOLD_POINTS + 2));
+
+       foreach_int(crlf, 0, 1) {
+               foreach_int(truncated, 0, 1) {
+                       for (i = -1; i <= FOLD_POINTS; i++) {
+                               msgbuf = fold_and_assemble(i, crlf, truncated);
+                               check_folded_header(msgbuf.ptr, msgbuf.len);
+                               talloc_free(msgbuf.ptr);
+                       }
+               }
+       }
+
+       /* This exits depending on whether all tests passed */
+       failtest_exit(exit_status());
+}