1 files changed, 342 insertions, 0 deletions
diff --git a/tests/nghttp2_buf_test.c b/tests/nghttp2_buf_test.c
new file mode 100644
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--- /dev/null
+++ b/tests/nghttp2_buf_test.c
@@ -0,0 +1,342 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2014 Tatsuhiro Tsujikawa
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "nghttp2_buf_test.h"
+
+#include <CUnit/CUnit.h>
+
+#include "nghttp2_buf.h"
+#include "nghttp2_test_helper.h"
+
+void test_nghttp2_bufs_add(void) {
+  int rv;
+  nghttp2_bufs bufs;
+  uint8_t data[2048];
+  nghttp2_mem *mem;
+
+  mem = nghttp2_mem_default();
+
+  rv = nghttp2_bufs_init(&bufs, 1000, 3, mem);
+  CU_ASSERT(0 == rv);
+
+  CU_ASSERT(bufs.cur->buf.pos == bufs.cur->buf.last);
+
+  rv = nghttp2_bufs_add(&bufs, data, 493);
+  CU_ASSERT(0 == rv);
+  CU_ASSERT(493 == nghttp2_buf_len(&bufs.cur->buf));
+  CU_ASSERT(493 == nghttp2_bufs_len(&bufs));
+  CU_ASSERT(507 == nghttp2_bufs_cur_avail(&bufs));
+
+  rv = nghttp2_bufs_add(&bufs, data, 507);
+  CU_ASSERT(0 == rv);
+  CU_ASSERT(1000 == nghttp2_buf_len(&bufs.cur->buf));
+  CU_ASSERT(1000 == nghttp2_bufs_len(&bufs));
+  CU_ASSERT(bufs.cur == bufs.head);
+
+  rv = nghttp2_bufs_add(&bufs, data, 1);
+  CU_ASSERT(0 == rv);
+  CU_ASSERT(1 == nghttp2_buf_len(&bufs.cur->buf));
+  CU_ASSERT(1001 == nghttp2_bufs_len(&bufs));
+  CU_ASSERT(bufs.cur == bufs.head->next);
+
+  nghttp2_bufs_free(&bufs);
+}
+
+/* Test for GH-232, stack-buffer-overflow */
+void test_nghttp2_bufs_add_stack_buffer_overflow_bug(void) {
+  int rv;
+  nghttp2_bufs bufs;
+  uint8_t data[1024];
+  nghttp2_mem *mem;
+
+  mem = nghttp2_mem_default();
+
+  rv = nghttp2_bufs_init(&bufs, 100, 200, mem);
+  CU_ASSERT(0 == rv);
+
+  rv = nghttp2_bufs_add(&bufs, data, sizeof(data));
+
+  CU_ASSERT(0 == rv);
+  CU_ASSERT(sizeof(data) == nghttp2_bufs_len(&bufs));
+
+  nghttp2_bufs_free(&bufs);
+}
+
+void test_nghttp2_bufs_addb(void) {
+  int rv;
+  nghttp2_bufs bufs;
+  ssize_t i;
+  nghttp2_mem *mem;
+
+  mem = nghttp2_mem_default();
+
+  rv = nghttp2_bufs_init(&bufs, 1000, 3, mem);
+  CU_ASSERT(0 == rv);
+
+  rv = nghttp2_bufs_addb(&bufs, 14);
+  CU_ASSERT(0 == rv);
+  CU_ASSERT(1 == nghttp2_buf_len(&bufs.cur->buf));
+  CU_ASSERT(1 == nghttp2_bufs_len(&bufs));
+  CU_ASSERT(14 == *bufs.cur->buf.pos);
+
+  for (i = 0; i < 999; ++i) {
+    rv = nghttp2_bufs_addb(&bufs, 254);
+
+    CU_ASSERT(0 == rv);
+    CU_ASSERT((size_t)(i + 2) == nghttp2_buf_len(&bufs.cur->buf));
+    CU_ASSERT((size_t)(i + 2) == nghttp2_bufs_len(&bufs));
+    CU_ASSERT(254 == *(bufs.cur->buf.last - 1));
+    CU_ASSERT(bufs.cur == bufs.head);
+  }
+
+  rv = nghttp2_bufs_addb(&bufs, 253);
+  CU_ASSERT(0 == rv);
+  CU_ASSERT(1 == nghttp2_buf_len(&bufs.cur->buf));
+  CU_ASSERT(1001 == nghttp2_bufs_len(&bufs));
+  CU_ASSERT(253 == *(bufs.cur->buf.last - 1));
+  CU_ASSERT(bufs.cur == bufs.head->next);
+
+  rv = nghttp2_bufs_addb_hold(&bufs, 15);
+  CU_ASSERT(0 == rv);
+  CU_ASSERT(1 == nghttp2_buf_len(&bufs.cur->buf));
+  CU_ASSERT(1001 == nghttp2_bufs_len(&bufs));
+  CU_ASSERT(15 == *(bufs.cur->buf.last));
+
+  /* test fast version */
+
+  nghttp2_bufs_fast_addb(&bufs, 240);
+
+  CU_ASSERT(2 == nghttp2_buf_len(&bufs.cur->buf));
+  CU_ASSERT(1002 == nghttp2_bufs_len(&bufs));
+  CU_ASSERT(240 == *(bufs.cur->buf.last - 1));
+
+  nghttp2_bufs_fast_addb_hold(&bufs, 113);
+
+  CU_ASSERT(2 == nghttp2_buf_len(&bufs.cur->buf));
+  CU_ASSERT(1002 == nghttp2_bufs_len(&bufs));
+  CU_ASSERT(113 == *(bufs.cur->buf.last));
+
+  /* addb_hold when last == end */
+  bufs.cur->buf.last = bufs.cur->buf.end;
+
+  rv = nghttp2_bufs_addb_hold(&bufs, 19);
+  CU_ASSERT(0 == rv);
+  CU_ASSERT(0 == nghttp2_buf_len(&bufs.cur->buf));
+  CU_ASSERT(2000 == nghttp2_bufs_len(&bufs));
+  CU_ASSERT(19 == *(bufs.cur->buf.last));
+
+  nghttp2_bufs_free(&bufs);
+}
+
+void test_nghttp2_bufs_orb(void) {
+  int rv;
+  nghttp2_bufs bufs;
+  nghttp2_mem *mem;
+
+  mem = nghttp2_mem_default();
+
+  rv = nghttp2_bufs_init(&bufs, 1000, 3, mem);
+  CU_ASSERT(0 == rv);
+
+  *(bufs.cur->buf.last) = 0;
+
+  rv = nghttp2_bufs_orb_hold(&bufs, 15);
+  CU_ASSERT(0 == rv);
+  CU_ASSERT(0 == nghttp2_buf_len(&bufs.cur->buf));
+  CU_ASSERT(0 == nghttp2_bufs_len(&bufs));
+  CU_ASSERT(15 == *(bufs.cur->buf.last));
+
+  rv = nghttp2_bufs_orb(&bufs, 240);
+  CU_ASSERT(0 == rv);
+  CU_ASSERT(1 == nghttp2_buf_len(&bufs.cur->buf));
+  CU_ASSERT(1 == nghttp2_bufs_len(&bufs));
+  CU_ASSERT(255 == *(bufs.cur->buf.last - 1));
+
+  *(bufs.cur->buf.last) = 0;
+  nghttp2_bufs_fast_orb_hold(&bufs, 240);
+  CU_ASSERT(240 == *(bufs.cur->buf.last));
+
+  nghttp2_bufs_fast_orb(&bufs, 15);
+  CU_ASSERT(255 == *(bufs.cur->buf.last - 1));
+
+  nghttp2_bufs_free(&bufs);
+}
+
+void test_nghttp2_bufs_remove(void) {
+  int rv;
+  nghttp2_bufs bufs;
+  nghttp2_buf_chain *chain;
+  int i;
+  uint8_t *out;
+  ssize_t outlen;
+  nghttp2_mem *mem;
+
+  mem = nghttp2_mem_default();
+
+  rv = nghttp2_bufs_init(&bufs, 1000, 3, mem);
+  CU_ASSERT(0 == rv);
+
+  nghttp2_buf_shift_right(&bufs.cur->buf, 10);
+
+  rv = nghttp2_bufs_add(&bufs, "hello ", 6);
+  CU_ASSERT(0 == rv);
+
+  for (i = 0; i < 2; ++i) {
+    chain = bufs.cur;
+
+    rv = nghttp2_bufs_advance(&bufs);
+    CU_ASSERT(0 == rv);
+
+    CU_ASSERT(chain->next == bufs.cur);
+  }
+
+  rv = nghttp2_bufs_add(&bufs, "world", 5);
+  CU_ASSERT(0 == rv);
+
+  outlen = nghttp2_bufs_remove(&bufs, &out);
+  CU_ASSERT(11 == outlen);
+
+  CU_ASSERT(0 == memcmp("hello world", out, (size_t)outlen));
+  CU_ASSERT(11 == nghttp2_bufs_len(&bufs));
+
+  mem->free(out, NULL);
+  nghttp2_bufs_free(&bufs);
+}
+
+void test_nghttp2_bufs_reset(void) {
+  int rv;
+  nghttp2_bufs bufs;
+  nghttp2_buf_chain *ci;
+  size_t offset = 9;
+  nghttp2_mem *mem;
+
+  mem = nghttp2_mem_default();
+
+  rv = nghttp2_bufs_init3(&bufs, 250, 3, 1, offset, mem);
+  CU_ASSERT(0 == rv);
+
+  rv = nghttp2_bufs_add(&bufs, "foo", 3);
+  CU_ASSERT(0 == rv);
+
+  rv = nghttp2_bufs_advance(&bufs);
+  CU_ASSERT(0 == rv);
+
+  rv = nghttp2_bufs_add(&bufs, "bar", 3);
+  CU_ASSERT(0 == rv);
+
+  CU_ASSERT(6 == nghttp2_bufs_len(&bufs));
+
+  nghttp2_bufs_reset(&bufs);
+
+  CU_ASSERT(0 == nghttp2_bufs_len(&bufs));
+  CU_ASSERT(bufs.cur == bufs.head);
+
+  for (ci = bufs.head; ci; ci = ci->next) {
+    CU_ASSERT((ssize_t)offset == ci->buf.pos - ci->buf.begin);
+    CU_ASSERT(ci->buf.pos == ci->buf.last);
+  }
+
+  CU_ASSERT(bufs.head->next == NULL);
+
+  nghttp2_bufs_free(&bufs);
+}
+
+void test_nghttp2_bufs_advance(void) {
+  int rv;
+  nghttp2_bufs bufs;
+  int i;
+  nghttp2_mem *mem;
+
+  mem = nghttp2_mem_default();
+
+  rv = nghttp2_bufs_init(&bufs, 250, 3, mem);
+  CU_ASSERT(0 == rv);
+
+  for (i = 0; i < 2; ++i) {
+    rv = nghttp2_bufs_advance(&bufs);
+    CU_ASSERT(0 == rv);
+  }
+
+  rv = nghttp2_bufs_advance(&bufs);
+  CU_ASSERT(NGHTTP2_ERR_BUFFER_ERROR == rv);
+
+  nghttp2_bufs_free(&bufs);
+}
+
+void test_nghttp2_bufs_next_present(void) {
+  int rv;
+  nghttp2_bufs bufs;
+  nghttp2_mem *mem;
+
+  mem = nghttp2_mem_default();
+
+  rv = nghttp2_bufs_init(&bufs, 250, 3, mem);
+  CU_ASSERT(0 == rv);
+
+  CU_ASSERT(0 == nghttp2_bufs_next_present(&bufs));
+
+  rv = nghttp2_bufs_advance(&bufs);
+  CU_ASSERT(0 == rv);
+
+  nghttp2_bufs_rewind(&bufs);
+
+  CU_ASSERT(0 == nghttp2_bufs_next_present(&bufs));
+
+  bufs.cur = bufs.head->next;
+
+  rv = nghttp2_bufs_addb(&bufs, 1);
+  CU_ASSERT(0 == rv);
+
+  nghttp2_bufs_rewind(&bufs);
+
+  CU_ASSERT(0 != nghttp2_bufs_next_present(&bufs));
+
+  nghttp2_bufs_free(&bufs);
+}
+
+void test_nghttp2_bufs_realloc(void) {
+  int rv;
+  nghttp2_bufs bufs;
+  nghttp2_mem *mem;
+
+  mem = nghttp2_mem_default();
+
+  rv = nghttp2_bufs_init3(&bufs, 266, 3, 1, 10, mem);
+  CU_ASSERT(0 == rv);
+
+  /* Create new buffer to see that these buffers are deallocated on
+     realloc */
+  rv = nghttp2_bufs_advance(&bufs);
+  CU_ASSERT(0 == rv);
+
+  rv = nghttp2_bufs_realloc(&bufs, 522);
+  CU_ASSERT(0 == rv);
+
+  CU_ASSERT(512 == nghttp2_bufs_cur_avail(&bufs));
+
+  rv = nghttp2_bufs_realloc(&bufs, 9);
+  CU_ASSERT(NGHTTP2_ERR_INVALID_ARGUMENT == rv);
+
+  nghttp2_bufs_free(&bufs);
+}