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nghttp2/tests/nghttp2_hd_test.c

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/*
* nghttp2 - HTTP/2.0 C Library
*
* Copyright (c) 2013 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_hd_test.h"
#include <stdio.h>
#include <assert.h>
#include <CUnit/CUnit.h>
#include "nghttp2_hd.h"
#include "nghttp2_frame.h"
#define MAKE_NV(NAME, VALUE) \
{ (uint8_t*)NAME, (uint8_t*)VALUE, strlen(NAME), strlen(VALUE) }
static void assert_nv_equal(nghttp2_nv *a, nghttp2_nv *b, size_t len)
{
size_t i;
for(i = 0; i < len; ++i, ++a, ++b) {
CU_ASSERT(nghttp2_nv_equal(a, b));
}
}
void test_nghttp2_hd_deflate(void)
{
nghttp2_hd_context deflater, inflater;
nghttp2_nv nva1[] = {MAKE_NV(":path", "/my-example/index.html"),
MAKE_NV(":scheme", "https"),
MAKE_NV("hello", "world")};
nghttp2_nv nva2[] = {MAKE_NV(":path", "/script.js"),
MAKE_NV(":scheme", "https")};
size_t nv_offset = 12;
uint8_t *buf = NULL;
size_t buflen = 0;
nghttp2_nv *resnva;
ssize_t blocklen;
CU_ASSERT(0 == nghttp2_hd_deflate_init(&deflater, NGHTTP2_HD_SIDE_CLIENT));
CU_ASSERT(0 == nghttp2_hd_inflate_init(&inflater, NGHTTP2_HD_SIDE_SERVER));
blocklen = nghttp2_hd_deflate_hd(&deflater, &buf, &buflen, nv_offset, nva1,
sizeof(nva1)/sizeof(nghttp2_nv));
CU_ASSERT(blocklen > 0);
nghttp2_hd_end_headers(&deflater);
CU_ASSERT(3 == nghttp2_hd_inflate_hd(&inflater, &resnva, buf + nv_offset,
blocklen));
assert_nv_equal(nva1, resnva, 3);
nghttp2_nv_array_del(resnva);
nghttp2_hd_end_headers(&inflater);
CU_ASSERT(2 == inflater.refsetlen);
/* Second headers */
blocklen = nghttp2_hd_deflate_hd(&deflater, &buf, &buflen, nv_offset, nva2,
sizeof(nva2)/sizeof(nghttp2_nv));
CU_ASSERT(blocklen > 0);
nghttp2_hd_end_headers(&deflater);
CU_ASSERT(2 == nghttp2_hd_inflate_hd(&inflater, &resnva, buf + nv_offset,
blocklen));
assert_nv_equal(nva2, resnva, 2);
nghttp2_nv_array_del(resnva);
nghttp2_hd_end_headers(&inflater);
free(buf);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
}
void test_nghttp2_hd_inflate_indname_inc(void)
{
nghttp2_hd_context inflater;
uint8_t *buf = NULL;
size_t buflen = 0;
size_t offset = 0;
nghttp2_nv nv = MAKE_NV("user-agent", "nghttp2");
nghttp2_nv *resnva;
nghttp2_hd_inflate_init(&inflater, NGHTTP2_HD_SIDE_SERVER);
CU_ASSERT(0 == nghttp2_hd_emit_indname_block(&buf, &buflen, &offset,
inflater.hd_table[12],
nv.value, nv.valuelen,
1));
CU_ASSERT(1 == nghttp2_hd_inflate_hd(&inflater, &resnva, buf, offset));
assert_nv_equal(&nv, resnva, 1);
CU_ASSERT(39 == inflater.hd_tablelen);
assert_nv_equal(&nv, &inflater.hd_table[inflater.hd_tablelen-1]->nv, 1);
nghttp2_nv_array_del(resnva);
free(buf);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_indname_inc_eviction(void)
{
nghttp2_hd_context inflater;
uint8_t *buf = NULL;
size_t buflen = 0;
size_t offset = 0;
/* Default header table capacity is 1592. Adding 2547 bytes,
including overhead, to the table evicts first entry.
use name ":host" which index 2 and value length 2510. */
uint8_t value[2510];
nghttp2_nv *resnva;
nghttp2_hd_inflate_init(&inflater, NGHTTP2_HD_SIDE_SERVER);
CU_ASSERT(0 == nghttp2_hd_emit_indname_block(&buf, &buflen, &offset,
inflater.hd_table[2],
value, sizeof(value), 1));
CU_ASSERT(1 == nghttp2_hd_inflate_hd(&inflater, &resnva, buf, offset));
CU_ASSERT(5 == resnva[0].namelen);
CU_ASSERT(0 == memcmp(":host", resnva[0].name, resnva[0].namelen));
CU_ASSERT(sizeof(value) == resnva[0].valuelen);
nghttp2_nv_array_del(resnva);
nghttp2_hd_end_headers(&inflater);
CU_ASSERT(38 == inflater.hd_tablelen);
CU_ASSERT(37 == inflater.refset[0]->index);
free(buf);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_newname_inc(void)
{
nghttp2_hd_context inflater;
uint8_t *buf = NULL;
size_t buflen = 0;
size_t offset = 0;
nghttp2_nv nv = MAKE_NV("x-rel", "nghttp2");
nghttp2_nv *resnva;
nghttp2_hd_inflate_init(&inflater, NGHTTP2_HD_SIDE_SERVER);
CU_ASSERT(0 == nghttp2_hd_emit_literal_block(&buf, &buflen, &offset,
&nv, 1));
CU_ASSERT(1 == nghttp2_hd_inflate_hd(&inflater, &resnva, buf, offset));
assert_nv_equal(&nv, resnva, 1);
CU_ASSERT(39 == inflater.hd_tablelen);
assert_nv_equal(&nv, &inflater.hd_table[inflater.hd_tablelen-1]->nv, 1);
nghttp2_nv_array_del(resnva);
free(buf);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_indname_subst(void)
{
nghttp2_hd_context inflater;
uint8_t *buf = NULL;
size_t buflen = 0;
size_t offset = 0;
nghttp2_nv nv = MAKE_NV("user-agent", "nghttp2");
nghttp2_nv *resnva;
nghttp2_hd_inflate_init(&inflater, NGHTTP2_HD_SIDE_SERVER);
CU_ASSERT(0 == nghttp2_hd_emit_subst_indname_block(&buf, &buflen, &offset,
inflater.hd_table[12],
nv.value, nv.valuelen,
12));
CU_ASSERT(1 == nghttp2_hd_inflate_hd(&inflater, &resnva, buf, offset));
assert_nv_equal(&nv, resnva, 1);
CU_ASSERT(38 == inflater.hd_tablelen);
assert_nv_equal(&nv, &inflater.hd_table[12]->nv, 1);
nghttp2_nv_array_del(resnva);
free(buf);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_indname_subst_eviction(void)
{
nghttp2_hd_context inflater;
uint8_t *buf = NULL;
size_t buflen = 0;
size_t offset = 0;
/* Default header table capacity is 1592. Adding 2547 bytes,
including overhead, to the table evicts first entry.
use name ":host" which index 2 and value length 2510. */
uint8_t value[2510];
nghttp2_nv *resnva;
nghttp2_hd_inflate_init(&inflater, NGHTTP2_HD_SIDE_SERVER);
CU_ASSERT(0 == nghttp2_hd_emit_subst_indname_block(&buf, &buflen, &offset,
inflater.hd_table[2],
value, sizeof(value), 2));
CU_ASSERT(1 == nghttp2_hd_inflate_hd(&inflater, &resnva, buf, offset));
CU_ASSERT(5 == resnva[0].namelen);
CU_ASSERT(0 == memcmp(":host", resnva[0].name, resnva[0].namelen));
CU_ASSERT(sizeof(value) == resnva[0].valuelen);
nghttp2_nv_array_del(resnva);
nghttp2_hd_end_headers(&inflater);
CU_ASSERT(37 == inflater.hd_tablelen);
CU_ASSERT(1 == inflater.refset[0]->index);
free(buf);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_indname_subst_eviction_neg(void)
{
nghttp2_hd_context inflater;
uint8_t *buf = NULL;
size_t buflen = 0;
size_t offset = 0;
/* Default header table capacity is 1592. Adding 2548 bytes,
including overhead, to the table evicts first entry.
use name ":host" which index 2 and value length 2511. */
uint8_t value[2511];
nghttp2_nv *resnva;
nghttp2_hd_inflate_init(&inflater, NGHTTP2_HD_SIDE_SERVER);
/* Try to substitute index 0, but it will be evicted */
CU_ASSERT(0 == nghttp2_hd_emit_subst_indname_block(&buf, &buflen, &offset,
inflater.hd_table[2],
value, sizeof(value), 0));
CU_ASSERT(1 == nghttp2_hd_inflate_hd(&inflater, &resnva, buf, offset));
CU_ASSERT(5 == resnva[0].namelen);
CU_ASSERT(0 == memcmp(":host", resnva[0].name, resnva[0].namelen));
CU_ASSERT(sizeof(value) == resnva[0].valuelen);
nghttp2_nv_array_del(resnva);
nghttp2_hd_end_headers(&inflater);
CU_ASSERT(37 == inflater.hd_tablelen);
CU_ASSERT(0 == inflater.refset[0]->index);
free(buf);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_newname_subst(void)
{
nghttp2_hd_context inflater;
uint8_t *buf = NULL;
size_t buflen = 0;
size_t offset = 0;
nghttp2_nv nv = MAKE_NV("x-rel", "nghttp2");
nghttp2_nv *resnva;
nghttp2_hd_inflate_init(&inflater, NGHTTP2_HD_SIDE_SERVER);
CU_ASSERT(0 == nghttp2_hd_emit_subst_literal_block(&buf, &buflen, &offset,
&nv, 1));
CU_ASSERT(1 == nghttp2_hd_inflate_hd(&inflater, &resnva, buf, offset));
assert_nv_equal(&nv, resnva, 1);
CU_ASSERT(38 == inflater.hd_tablelen);
assert_nv_equal(&nv, &inflater.hd_table[1]->nv, 1);
nghttp2_nv_array_del(resnva);
free(buf);
nghttp2_hd_inflate_free(&inflater);
}
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