add test that calls `ptls_aead_encrypt_update` more than once
diff --git a/t/picotls.c b/t/picotls.c
index 14fa849..db7ee76 100644
--- a/t/picotls.c
+++ b/t/picotls.c
@@ -210,6 +210,53 @@
ptls_aead_free(c);
}
+static void test_ciphersuite_stream(ptls_cipher_suite_t *cs1, ptls_cipher_suite_t *cs2)
+{
+ const char *traffic_secret = "012345678901234567890123456789012345678901234567",
+ *text[] = {
+ "CHAPTER I.\n",
+ "Down the Rabbit-Hole\n",
+ "Alice was beginning to get very tired of sitting by her sister on the bank, and of having nothing to do: once "
+ "or twice she had peeped into the book her sister was reading, but it had no pictures or conversations in it, "
+ "“and what is the use of a book,” thought Alice “without pictures or conversations?”\n",
+ "So she was considering in her own mind (as well as she could, for the hot day made her feel very sleepy and "
+ "stupid), whether the pleasure of making a daisy-chain would be worth the trouble of getting up and picking the "
+ "daisies, when suddenly a White Rabbit with pink eyes ran close by her.\n",
+ NULL,
+ };
+ ptls_aead_context_t *c;
+ char enc[1024], dec[1024];
+ size_t enclen, declen;
+
+ /* encrypt */
+ c = ptls_aead_new(cs1->aead, cs1->hash, 1, traffic_secret, NULL);
+ assert(c != NULL);
+ ptls_aead_encrypt_init(c, 0, NULL, 0);
+ enclen = 0;
+ for (size_t i = 0; text[i] != NULL; ++i)
+ enclen += ptls_aead_encrypt_update(c, enc + enclen, text[i], strlen(text[i]));
+ enclen += ptls_aead_encrypt_final(c, enc + enclen);
+ ptls_aead_free(c);
+
+ /* decrypt */
+ c = ptls_aead_new(cs2->aead, cs2->hash, 0, traffic_secret, NULL);
+ declen = ptls_aead_decrypt(c, dec, enc, enclen, 0, NULL, 0);
+ ok(declen != SIZE_MAX);
+ ok(declen == enclen - cs1->aead->tag_size);
+ ptls_aead_free(c);
+
+ /* check text */
+ for (size_t i = 0, decoff = 0;; ++i) {
+ if (text[i] == NULL) {
+ ok(decoff == declen);
+ break;
+ }
+ ok(decoff + strlen(text[i]) <= declen);
+ ok(memcmp(dec + decoff, text[i], strlen(text[i])) == 0);
+ decoff += strlen(text[i]);
+ }
+}
+
static void test_aad_ciphersuite(ptls_cipher_suite_t *cs1, ptls_cipher_suite_t *cs2)
{
const char *traffic_secret = "012345678901234567890123456789012345678901234567", *src = "hello world", *aad = "my true aad";
@@ -372,6 +419,7 @@
*cs_peer = find_cipher(ctx_peer, PTLS_CIPHER_SUITE_AES_128_GCM_SHA256);
test_ciphersuite(cs, cs_peer);
+ test_ciphersuite_stream(cs, cs_peer);
test_aad_ciphersuite(cs, cs_peer);
test_aad96_ciphersuite(cs, cs_peer);
}
@@ -383,6 +431,7 @@
if (cs != NULL && cs_peer != NULL) {
test_ciphersuite(cs, cs_peer);
+ test_ciphersuite_stream(cs, cs_peer);
test_aad_ciphersuite(cs, cs_peer);
test_aad96_ciphersuite(cs, cs_peer);
}
@@ -395,6 +444,7 @@
if (cs != NULL && cs_peer != NULL) {
test_ciphersuite(cs, cs_peer);
+ test_ciphersuite_stream(cs, cs_peer);
test_aad_ciphersuite(cs, cs_peer);
test_aad96_ciphersuite(cs, cs_peer);
}
