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nghttp2/tests/nghttp2_hd_test.c

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/*
* nghttp2 - HTTP/2 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"
#include "nghttp2_test_helper.h"
#define GET_TABLE_ENT(context, index) nghttp2_hd_table_get(context, index)
void test_nghttp2_hd_deflate(void)
{
nghttp2_hd_deflater deflater;
nghttp2_hd_inflater 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")};
nghttp2_nv nva3[] = {MAKE_NV("cookie", "k1=v1"),
MAKE_NV("cookie", "k2=v2"),
MAKE_NV("via", "proxy")};
nghttp2_nv nva4[] = {MAKE_NV(":path", "/style.css"),
MAKE_NV("cookie", "k1=v1"),
MAKE_NV("cookie", "k1=v1")};
nghttp2_nv nva5[] = {MAKE_NV(":path", "/style.css"),
MAKE_NV("x-nghttp2", "")};
nghttp2_bufs bufs;
ssize_t blocklen;
nva_out out;
int rv;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
CU_ASSERT(0 == nghttp2_hd_deflate_init(&deflater));
CU_ASSERT(0 == nghttp2_hd_inflate_init(&inflater));
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva1, ARRLEN(nva1));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(3 == out.nvlen);
assert_nv_equal(nva1, out.nva, 3);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
/* Second headers */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva2, ARRLEN(nva2));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(2 == out.nvlen);
assert_nv_equal(nva2, out.nva, 2);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
/* Third headers, including same header field name, but value is not
the same. */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva3, ARRLEN(nva3));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(3 == out.nvlen);
assert_nv_equal(nva3, out.nva, 3);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
/* Fourth headers, including duplicate header fields. */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva4, ARRLEN(nva4));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(3 == out.nvlen);
assert_nv_equal(nva4, out.nva, 3);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
/* Fifth headers includes empty value */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva5, ARRLEN(nva5));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(2 == out.nvlen);
assert_nv_equal(nva5, out.nva, 2);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
/* Cleanup */
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
}
void test_nghttp2_hd_deflate_same_indexed_repr(void)
{
nghttp2_hd_deflater deflater;
nghttp2_hd_inflater inflater;
nghttp2_nv nva1[] = {MAKE_NV("cookie", "alpha"),
MAKE_NV("cookie", "alpha")};
nghttp2_nv nva2[] = {MAKE_NV("cookie", "alpha"),
MAKE_NV("cookie", "alpha"),
MAKE_NV("cookie", "alpha")};
nghttp2_bufs bufs;
ssize_t blocklen;
nva_out out;
int rv;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
CU_ASSERT(0 == nghttp2_hd_deflate_init(&deflater));
CU_ASSERT(0 == nghttp2_hd_inflate_init(&inflater));
/* Encode 2 same headers. Emit 1 literal reprs and 1 index repr. */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva1, ARRLEN(nva1));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(2 == out.nvlen);
assert_nv_equal(nva1, out.nva, 2);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
/* Encode 3 same headers. This time, emits 3 index reprs. */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva2, ARRLEN(nva2));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen == 3);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(3 == out.nvlen);
assert_nv_equal(nva2, out.nva, 3);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
/* Cleanup */
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
}
void test_nghttp2_hd_inflate_indexed(void)
{
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
nghttp2_nv nv = MAKE_NV(":path", "/");
nva_out out;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_inflate_init(&inflater);
nghttp2_bufs_addb(&bufs, (1 << 7) | 4);
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(1 == blocklen);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv, out.nva, 1);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
/* index = 0 is error */
nghttp2_bufs_addb(&bufs, 1 << 7);
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(1 == blocklen);
CU_ASSERT(NGHTTP2_ERR_HEADER_COMP == inflate_hd(&inflater, &out, &bufs, 0));
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_indname_noinc(void)
{
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
nghttp2_nv nv[] = {
/* Huffman */
MAKE_NV("user-agent", "nghttp2"),
/* Expecting no huffman */
MAKE_NV("user-agent", "x")
};
size_t i;
nva_out out;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_inflate_init(&inflater);
for(i = 0; i < ARRLEN(nv); ++i) {
CU_ASSERT(0 == nghttp2_hd_emit_indname_block(&bufs, 57, &nv[i], 0));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv[i], out.nva, 1);
CU_ASSERT(0 == inflater.ctx.hd_table.len);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
}
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_indname_inc(void)
{
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
nghttp2_nv nv = MAKE_NV("user-agent", "nghttp2");
nva_out out;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_inflate_init(&inflater);
CU_ASSERT(0 == nghttp2_hd_emit_indname_block(&bufs, 57, &nv, 1));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv, out.nva, 1);
CU_ASSERT(1 == inflater.ctx.hd_table.len);
assert_nv_equal
(&nv,
&GET_TABLE_ENT
(&inflater.ctx,
NGHTTP2_STATIC_TABLE_LENGTH + inflater.ctx.hd_table.len-1)->nv, 1);
nva_out_reset(&out);
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_indname_inc_eviction(void)
{
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
uint8_t value[1024];
nva_out out;
nghttp2_nv nv;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_inflate_init(&inflater);
memset(value, '0', sizeof(value));
nv.value = value;
nv.valuelen = sizeof(value);
nv.flags = NGHTTP2_NV_FLAG_NONE;
CU_ASSERT(0 == nghttp2_hd_emit_indname_block(&bufs, 14, &nv, 1));
CU_ASSERT(0 == nghttp2_hd_emit_indname_block(&bufs, 15, &nv, 1));
CU_ASSERT(0 == nghttp2_hd_emit_indname_block(&bufs, 16, &nv, 1));
CU_ASSERT(0 == nghttp2_hd_emit_indname_block(&bufs, 17, &nv, 1));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(4 == out.nvlen);
CU_ASSERT(14 == out.nva[0].namelen);
CU_ASSERT(0 == memcmp("accept-charset", out.nva[0].name, out.nva[0].namelen));
CU_ASSERT(sizeof(value) == out.nva[0].valuelen);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
CU_ASSERT(3 == inflater.ctx.hd_table.len);
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_newname_noinc(void)
{
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
nghttp2_nv nv[] = {
/* Expecting huffman for both */
MAKE_NV("my-long-content-length", "nghttp2"),
/* Expecting no huffman for both */
MAKE_NV("x", "y"),
/* Huffman for key only */
MAKE_NV("my-long-content-length", "y"),
/* Huffman for value only */
MAKE_NV("x", "nghttp2")
};
size_t i;
nva_out out;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_inflate_init(&inflater);
for(i = 0; i < ARRLEN(nv); ++i) {
CU_ASSERT(0 == nghttp2_hd_emit_newname_block(&bufs, &nv[i], 0));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv[i], out.nva, 1);
CU_ASSERT(0 == inflater.ctx.hd_table.len);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
}
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_newname_inc(void)
{
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
nghttp2_nv nv = MAKE_NV("x-rel", "nghttp2");
nva_out out;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_inflate_init(&inflater);
CU_ASSERT(0 == nghttp2_hd_emit_newname_block(&bufs, &nv, 1));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv, out.nva, 1);
CU_ASSERT(1 == inflater.ctx.hd_table.len);
assert_nv_equal
(&nv,
&GET_TABLE_ENT
(&inflater.ctx,
NGHTTP2_STATIC_TABLE_LENGTH + inflater.ctx.hd_table.len-1)->nv, 1);
nva_out_reset(&out);
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_clearall_inc(void)
{
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
nghttp2_nv nv;
uint8_t value[4060];
nva_out out;
bufs_large_init(&bufs, 8192);
nva_out_init(&out);
/* Total 4097 bytes space required to hold this entry */
nv.name = (uint8_t*)"alpha";
nv.namelen = strlen((char*)nv.name);
memset(value, '0', sizeof(value));
nv.value = value;
nv.valuelen = sizeof(value);
nv.flags = NGHTTP2_NV_FLAG_NONE;
nghttp2_hd_inflate_init(&inflater);
CU_ASSERT(0 == nghttp2_hd_emit_newname_block(&bufs, &nv, 1));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv, out.nva, 1);
CU_ASSERT(0 == inflater.ctx.hd_table.len);
nva_out_reset(&out);
/* Do it again */
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv, out.nva, 1);
CU_ASSERT(0 == inflater.ctx.hd_table.len);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
/* This time, 4096 bytes space required, which is just fits in the
header table */
nv.valuelen = sizeof(value) - 1;
CU_ASSERT(0 == nghttp2_hd_emit_newname_block(&bufs, &nv, 1));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv, out.nva, 1);
CU_ASSERT(1 == inflater.ctx.hd_table.len);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_inflate_zero_length_huffman(void)
{
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
/* Literal header without indexing - new name */
uint8_t data[] = { 0x40, 0x01, 0x78 /* 'x' */, 0x80 };
nva_out out;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_bufs_add(&bufs, data, sizeof(data));
/* /\* Literal header without indexing - new name *\/ */
/* ptr[0] = 0x40; */
/* ptr[1] = 1; */
/* ptr[2] = 'x'; */
/* ptr[3] = 0x80; */
nghttp2_hd_inflate_init(&inflater);
CU_ASSERT(4 == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(1 == out.nvlen);
CU_ASSERT(1 == out.nva[0].namelen);
CU_ASSERT('x' == out.nva[0].name[0]);
CU_ASSERT(NULL == out.nva[0].value);
CU_ASSERT(0 == out.nva[0].valuelen);
nva_out_reset(&out);
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
}
void test_nghttp2_hd_ringbuf_reserve(void)
{
nghttp2_hd_deflater deflater;
nghttp2_hd_inflater inflater;
nghttp2_nv nv;
nghttp2_bufs bufs;
nva_out out;
int i;
ssize_t rv;
ssize_t blocklen;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nv.flags = NGHTTP2_NV_FLAG_NONE;
nv.name = (uint8_t*)"a";
nv.namelen = strlen((const char*)nv.name);
nv.valuelen = 4;
nv.value = malloc(nv.valuelen);
memset(nv.value, 0, nv.valuelen);
nghttp2_hd_deflate_init2(&deflater, 8000);
nghttp2_hd_inflate_init(&inflater);
nghttp2_hd_inflate_change_table_size(&inflater, 8000);
nghttp2_hd_deflate_change_table_size(&deflater, 8000);
for(i = 0; i < 150; ++i) {
memcpy(nv.value, &i, sizeof(i));
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, &nv, 1);
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(1 == out.nvlen);
assert_nv_equal(&nv, out.nva, 1);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
}
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
free(nv.value);
}
void test_nghttp2_hd_change_table_size(void)
{
nghttp2_hd_deflater deflater;
nghttp2_hd_inflater inflater;
nghttp2_nv nva[] = { MAKE_NV("alpha", "bravo"),
MAKE_NV("charlie", "delta") };
nghttp2_nv nva2[] = { MAKE_NV(":path", "/") };
nghttp2_bufs bufs;
ssize_t rv;
nva_out out;
ssize_t blocklen;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_deflate_init(&deflater);
nghttp2_hd_inflate_init(&inflater);
/* inflater changes notifies 8000 max header table size */
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, 8000));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, 8000));
CU_ASSERT(4096 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(8000 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(8000 == inflater.settings_hd_table_bufsize_max);
/* This will emit encoding context update with header table size 4096 */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, 2);
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(2 == deflater.ctx.hd_table.len);
CU_ASSERT(4096 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(2 == inflater.ctx.hd_table.len);
CU_ASSERT(4096 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(8000 == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
/* inflater changes header table size to 1024 */
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, 1024));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, 1024));
CU_ASSERT(1024 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(1024 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(1024 == inflater.settings_hd_table_bufsize_max);
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, 2);
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(2 == deflater.ctx.hd_table.len);
CU_ASSERT(1024 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(2 == inflater.ctx.hd_table.len);
CU_ASSERT(1024 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(1024 == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
/* inflater changes header table size to 0 */
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, 0));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, 0));
CU_ASSERT(0 == deflater.ctx.hd_table.len);
CU_ASSERT(0 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(0 == inflater.ctx.hd_table.len);
CU_ASSERT(0 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(0 == inflater.settings_hd_table_bufsize_max);
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, 2);
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(0 == deflater.ctx.hd_table.len);
CU_ASSERT(0 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(0 == inflater.ctx.hd_table.len);
CU_ASSERT(0 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(0 == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
/* Check table buffer is expanded */
frame_pack_bufs_init(&bufs);
nghttp2_hd_deflate_init2(&deflater, 8192);
nghttp2_hd_inflate_init(&inflater);
/* First inflater changes header table size to 8000 */
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, 8000));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, 8000));
CU_ASSERT(8000 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(8000 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(8000 == inflater.settings_hd_table_bufsize_max);
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, 2);
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(2 == deflater.ctx.hd_table.len);
CU_ASSERT(8000 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(2 == inflater.ctx.hd_table.len);
CU_ASSERT(8000 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(8000 == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, 16383));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, 16383));
CU_ASSERT(8192 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(16383 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(16383 == inflater.settings_hd_table_bufsize_max);
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, 2);
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(2 == deflater.ctx.hd_table.len);
CU_ASSERT(8192 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(2 == inflater.ctx.hd_table.len);
CU_ASSERT(8192 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(16383 == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
/* Lastly, check the error condition */
rv = nghttp2_hd_emit_table_size(&bufs, 25600);
CU_ASSERT(rv == 0);
CU_ASSERT(NGHTTP2_ERR_HEADER_COMP == inflate_hd(&inflater, &out, &bufs, 0));
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
/* Check that encoder can handle the case where its allowable buffer
size is less than default size, 4096 */
nghttp2_hd_deflate_init2(&deflater, 1024);
nghttp2_hd_inflate_init(&inflater);
CU_ASSERT(1024 == deflater.ctx.hd_table_bufsize_max);
/* This emits context update with buffer size 1024 */
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, 2);
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(2 == deflater.ctx.hd_table.len);
CU_ASSERT(1024 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(2 == inflater.ctx.hd_table.len);
CU_ASSERT(1024 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(4096 == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
/* Check that table size UINT32_MAX can be received */
nghttp2_hd_deflate_init2(&deflater, UINT32_MAX);
nghttp2_hd_inflate_init(&inflater);
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, UINT32_MAX));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, UINT32_MAX));
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, 2);
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(UINT32_MAX == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(UINT32_MAX == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(UINT32_MAX == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
/* Check that context update emitted twice */
nghttp2_hd_deflate_init2(&deflater, 4096);
nghttp2_hd_inflate_init(&inflater);
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, 0));
CU_ASSERT(0 == nghttp2_hd_inflate_change_table_size(&inflater, 3000));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, 0));
CU_ASSERT(0 == nghttp2_hd_deflate_change_table_size(&deflater, 3000));
CU_ASSERT(0 == deflater.min_hd_table_bufsize_max);
CU_ASSERT(3000 == deflater.ctx.hd_table_bufsize_max);
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva2, 1);
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(3 < blocklen);
CU_ASSERT(3000 == deflater.ctx.hd_table_bufsize_max);
CU_ASSERT(UINT32_MAX == deflater.min_hd_table_bufsize_max);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(3000 == inflater.ctx.hd_table_bufsize_max);
CU_ASSERT(3000 == inflater.settings_hd_table_bufsize_max);
nva_out_reset(&out);
nghttp2_bufs_reset(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
nghttp2_bufs_free(&bufs);
}
static void check_deflate_inflate(nghttp2_hd_deflater *deflater,
nghttp2_hd_inflater *inflater,
nghttp2_nv *nva, size_t nvlen)
{
nghttp2_bufs bufs;
ssize_t blocklen;
nva_out out;
int rv;
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
rv = nghttp2_hd_deflate_hd_bufs(deflater, &bufs, nva, nvlen);
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen >= 0);
CU_ASSERT(blocklen == inflate_hd(inflater, &out, &bufs, 0));
CU_ASSERT(nvlen == out.nvlen);
assert_nv_equal(nva, out.nva, nvlen);
nva_out_reset(&out);
nghttp2_bufs_free(&bufs);
}
void test_nghttp2_hd_deflate_inflate(void)
{
nghttp2_hd_deflater deflater;
nghttp2_hd_inflater inflater;
nghttp2_nv nv1[] = {
MAKE_NV(":status", "200 OK"),
MAKE_NV("access-control-allow-origin", "*"),
MAKE_NV("cache-control", "private, max-age=0, must-revalidate"),
MAKE_NV("content-length", "76073"),
MAKE_NV("content-type", "text/html"),
MAKE_NV("date", "Sat, 27 Jul 2013 06:22:12 GMT"),
MAKE_NV("expires", "Sat, 27 Jul 2013 06:22:12 GMT"),
MAKE_NV("server", "Apache"),
MAKE_NV("vary", "foobar"),
MAKE_NV("via", "1.1 alphabravo (squid/3.x.x), 1.1 nghttpx"),
MAKE_NV("x-cache", "MISS from alphabravo"),
MAKE_NV("x-cache-action", "MISS"),
MAKE_NV("x-cache-age", "0"),
MAKE_NV("x-cache-lookup", "MISS from alphabravo:3128"),
MAKE_NV("x-lb-nocache", "true"),
};
nghttp2_nv nv2[] = {
MAKE_NV(":status", "304 Not Modified"),
MAKE_NV("age", "0"),
MAKE_NV("cache-control", "max-age=56682045"),
MAKE_NV("content-type", "text/css"),
MAKE_NV("date", "Sat, 27 Jul 2013 06:22:12 GMT"),
MAKE_NV("expires", "Thu, 14 May 2015 07:22:57 GMT"),
MAKE_NV("last-modified", "Tue, 14 May 2013 07:22:15 GMT"),
MAKE_NV("vary", "Accept-Encoding"),
MAKE_NV("via", "1.1 alphabravo (squid/3.x.x), 1.1 nghttpx"),
MAKE_NV("x-cache", "HIT from alphabravo"),
MAKE_NV("x-cache-lookup", "HIT from alphabravo:3128")
};
nghttp2_nv nv3[] = {
MAKE_NV(":status", "304 Not Modified"),
MAKE_NV("age", "0"),
MAKE_NV("cache-control", "max-age=56682072"),
MAKE_NV("content-type", "text/css"),
MAKE_NV("date", "Sat, 27 Jul 2013 06:22:12 GMT"),
MAKE_NV("expires", "Thu, 14 May 2015 07:23:24 GMT"),
MAKE_NV("last-modified", "Tue, 14 May 2013 07:22:13 GMT"),
MAKE_NV("vary", "Accept-Encoding"),
MAKE_NV("via", "1.1 alphabravo (squid/3.x.x), 1.1 nghttpx"),
MAKE_NV("x-cache", "HIT from alphabravo"),
MAKE_NV("x-cache-lookup", "HIT from alphabravo:3128"),
};
nghttp2_nv nv4[] = {
MAKE_NV(":status", "304 Not Modified"),
MAKE_NV("age", "0"),
MAKE_NV("cache-control", "max-age=56682022"),
MAKE_NV("content-type", "text/css"),
MAKE_NV("date", "Sat, 27 Jul 2013 06:22:12 GMT"),
MAKE_NV("expires", "Thu, 14 May 2015 07:22:34 GMT"),
MAKE_NV("last-modified", "Tue, 14 May 2013 07:22:14 GMT"),
MAKE_NV("vary", "Accept-Encoding"),
MAKE_NV("via", "1.1 alphabravo (squid/3.x.x), 1.1 nghttpx"),
MAKE_NV("x-cache", "HIT from alphabravo"),
MAKE_NV("x-cache-lookup", "HIT from alphabravo:3128"),
};
nghttp2_nv nv5[] = {
MAKE_NV(":status", "304 Not Modified"),
MAKE_NV("age", "0"),
MAKE_NV("cache-control", "max-age=4461139"),
MAKE_NV("content-type", "application/x-javascript"),
MAKE_NV("date", "Sat, 27 Jul 2013 06:22:12 GMT"),
MAKE_NV("expires", "Mon, 16 Sep 2013 21:34:31 GMT"),
MAKE_NV("last-modified", "Thu, 05 May 2011 09:15:59 GMT"),
MAKE_NV("vary", "Accept-Encoding"),
MAKE_NV("via", "1.1 alphabravo (squid/3.x.x), 1.1 nghttpx"),
MAKE_NV("x-cache", "HIT from alphabravo"),
MAKE_NV("x-cache-lookup", "HIT from alphabravo:3128"),
};
nghttp2_nv nv6[] = {
MAKE_NV(":status", "304 Not Modified"),
MAKE_NV("age", "0"),
MAKE_NV("cache-control", "max-age=18645951"),
MAKE_NV("content-type", "application/x-javascript"),
MAKE_NV("date", "Sat, 27 Jul 2013 06:22:12 GMT"),
MAKE_NV("expires", "Fri, 28 Feb 2014 01:48:03 GMT"),
MAKE_NV("last-modified", "Tue, 12 Jul 2011 16:02:59 GMT"),
MAKE_NV("vary", "Accept-Encoding"),
MAKE_NV("via", "1.1 alphabravo (squid/3.x.x), 1.1 nghttpx"),
MAKE_NV("x-cache", "HIT from alphabravo"),
MAKE_NV("x-cache-lookup", "HIT from alphabravo:3128"),
};
nghttp2_nv nv7[] = {
MAKE_NV(":status", "304 Not Modified"),
MAKE_NV("age", "0"),
MAKE_NV("cache-control", "max-age=31536000"),
MAKE_NV("content-type", "application/javascript"),
MAKE_NV("date", "Sat, 27 Jul 2013 06:22:12 GMT"),
MAKE_NV("etag", "\"6807-4dc5b54e0dcc0\""),
MAKE_NV("expires", "Wed, 21 May 2014 08:32:17 GMT"),
MAKE_NV("last-modified", "Fri, 10 May 2013 11:18:51 GMT"),
MAKE_NV("via", "1.1 alphabravo (squid/3.x.x), 1.1 nghttpx"),
MAKE_NV("x-cache", "HIT from alphabravo"),
MAKE_NV("x-cache-lookup", "HIT from alphabravo:3128"),
};
nghttp2_nv nv8[] = {
MAKE_NV(":status", "304 Not Modified"),
MAKE_NV("age", "0"),
MAKE_NV("cache-control", "max-age=31536000"),
MAKE_NV("content-type", "application/javascript"),
MAKE_NV("date", "Sat, 27 Jul 2013 06:22:12 GMT"),
MAKE_NV("etag", "\"41c6-4de7d28585b00\""),
MAKE_NV("expires", "Thu, 12 Jun 2014 10:00:58 GMT"),
MAKE_NV("last-modified", "Thu, 06 Jun 2013 14:30:36 GMT"),
MAKE_NV("via", "1.1 alphabravo (squid/3.x.x), 1.1 nghttpx"),
MAKE_NV("x-cache", "HIT from alphabravo"),
MAKE_NV("x-cache-lookup", "HIT from alphabravo:3128"),
};
nghttp2_nv nv9[] = {
MAKE_NV(":status", "304 Not Modified"),
MAKE_NV("age", "0"),
MAKE_NV("cache-control", "max-age=31536000"),
MAKE_NV("content-type", "application/javascript"),
MAKE_NV("date", "Sat, 27 Jul 2013 06:22:12 GMT"),
MAKE_NV("etag", "\"19d6e-4dc5b35a541c0\""),
MAKE_NV("expires", "Wed, 21 May 2014 08:32:18 GMT"),
MAKE_NV("last-modified", "Fri, 10 May 2013 11:10:07 GMT"),
MAKE_NV("via", "1.1 alphabravo (squid/3.x.x), 1.1 nghttpx"),
MAKE_NV("x-cache", "HIT from alphabravo"),
MAKE_NV("x-cache-lookup", "HIT from alphabravo:3128"),
};
nghttp2_nv nv10[] = {
MAKE_NV(":status", "304 Not Modified"),
MAKE_NV("age", "0"),
MAKE_NV("cache-control", "max-age=56682045"),
MAKE_NV("content-type", "text/css"),
MAKE_NV("date", "Sat, 27 Jul 2013 06:22:12 GMT"),
MAKE_NV("expires", "Thu, 14 May 2015 07:22:57 GMT"),
MAKE_NV("last-modified", "Tue, 14 May 2013 07:21:53 GMT"),
MAKE_NV("vary", "Accept-Encoding"),
MAKE_NV("via", "1.1 alphabravo (squid/3.x.x), 1.1 nghttpx"),
MAKE_NV("x-cache", "HIT from alphabravo"),
MAKE_NV("x-cache-lookup", "HIT from alphabravo:3128"),
};
nghttp2_hd_deflate_init(&deflater);
nghttp2_hd_inflate_init(&inflater);
check_deflate_inflate(&deflater, &inflater, nv1, ARRLEN(nv1));
check_deflate_inflate(&deflater, &inflater, nv2, ARRLEN(nv2));
check_deflate_inflate(&deflater, &inflater, nv3, ARRLEN(nv3));
check_deflate_inflate(&deflater, &inflater, nv4, ARRLEN(nv4));
check_deflate_inflate(&deflater, &inflater, nv5, ARRLEN(nv5));
check_deflate_inflate(&deflater, &inflater, nv6, ARRLEN(nv6));
check_deflate_inflate(&deflater, &inflater, nv7, ARRLEN(nv7));
check_deflate_inflate(&deflater, &inflater, nv8, ARRLEN(nv8));
check_deflate_inflate(&deflater, &inflater, nv9, ARRLEN(nv9));
check_deflate_inflate(&deflater, &inflater, nv10, ARRLEN(nv10));
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
}
void test_nghttp2_hd_no_index(void)
{
nghttp2_hd_deflater deflater;
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
ssize_t blocklen;
nghttp2_nv nva[] = {
MAKE_NV(":method", "GET"),
MAKE_NV(":method", "POST"),
MAKE_NV(":path", "/foo"),
MAKE_NV("version", "HTTP/1.1"),
MAKE_NV(":method", "GET"),
};
size_t i;
nva_out out;
int rv;
/* 1st :method: GET can be indexable, last one is not */
for(i = 1; i < ARRLEN(nva); ++i) {
nva[i].flags = NGHTTP2_NV_FLAG_NO_INDEX;
}
frame_pack_bufs_init(&bufs);
nva_out_init(&out);
nghttp2_hd_deflate_init(&deflater);
nghttp2_hd_inflate_init(&inflater);
rv = nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, ARRLEN(nva));
blocklen = nghttp2_bufs_len(&bufs);
CU_ASSERT(0 == rv);
CU_ASSERT(blocklen > 0);
CU_ASSERT(blocklen == inflate_hd(&inflater, &out, &bufs, 0));
CU_ASSERT(ARRLEN(nva) == out.nvlen);
assert_nv_equal(nva, out.nva, ARRLEN(nva));
CU_ASSERT(out.nva[0].flags == NGHTTP2_NV_FLAG_NONE);
for(i = 1; i < ARRLEN(nva); ++i) {
CU_ASSERT(out.nva[i].flags == NGHTTP2_NV_FLAG_NO_INDEX);
}
nva_out_reset(&out);
nghttp2_bufs_free(&bufs);
nghttp2_hd_inflate_free(&inflater);
nghttp2_hd_deflate_free(&deflater);
}
void test_nghttp2_hd_deflate_bound(void)
{
nghttp2_hd_deflater deflater;
nghttp2_nv nva[] = {
MAKE_NV(":method", "GET"),
MAKE_NV("alpha", "bravo")
};
nghttp2_bufs bufs;
size_t bound, bound2;
frame_pack_bufs_init(&bufs);
nghttp2_hd_deflate_init(&deflater);
bound = nghttp2_hd_deflate_bound(&deflater, nva, ARRLEN(nva));
CU_ASSERT(6 + 6 * 2 * 2 +
nva[0].namelen + nva[0].valuelen +
nva[1].namelen + nva[1].valuelen
== bound);
nghttp2_hd_deflate_hd_bufs(&deflater, &bufs, nva, ARRLEN(nva));
CU_ASSERT(bound > (size_t)nghttp2_bufs_len(&bufs));
bound2 = nghttp2_hd_deflate_bound(&deflater, nva, ARRLEN(nva));
CU_ASSERT(bound == bound2);
nghttp2_bufs_free(&bufs);
nghttp2_hd_deflate_free(&deflater);
}
void test_nghttp2_hd_public_api(void)
{
nghttp2_hd_deflater *deflater;
nghttp2_hd_inflater *inflater;
nghttp2_nv nva[] = {
MAKE_NV("alpha", "bravo"),
MAKE_NV("charlie", "delta")
};
uint8_t buf[4096];
size_t buflen;
ssize_t blocklen;
nghttp2_bufs bufs;
CU_ASSERT(0 == nghttp2_hd_deflate_new(&deflater, 4096));
CU_ASSERT(0 == nghttp2_hd_inflate_new(&inflater));
buflen = nghttp2_hd_deflate_bound(deflater, nva, ARRLEN(nva));
blocklen = nghttp2_hd_deflate_hd(deflater, buf, buflen, nva, ARRLEN(nva));
CU_ASSERT(blocklen > 0);
nghttp2_bufs_wrap_init(&bufs, buf, blocklen);
bufs.head->buf.last += blocklen;
CU_ASSERT(blocklen == inflate_hd(inflater, NULL, &bufs, 0));
nghttp2_bufs_wrap_free(&bufs);
nghttp2_hd_inflate_del(inflater);
nghttp2_hd_deflate_del(deflater);
/* See NGHTTP2_ERR_INSUFF_BUFSIZE */
CU_ASSERT(0 == nghttp2_hd_deflate_new(&deflater, 4096));
blocklen = nghttp2_hd_deflate_hd(deflater, buf, blocklen - 1,
nva, ARRLEN(nva));
CU_ASSERT(NGHTTP2_ERR_INSUFF_BUFSIZE == blocklen);
nghttp2_hd_deflate_del(deflater);
}
static size_t encode_length(uint8_t *buf, uint64_t n, size_t prefix)
{
size_t k = (1 << prefix) - 1;
size_t len = 0;
*buf &= ~k;
if(n >= k) {
*buf++ |= k;
n -= k;
++len;
} else {
*buf++ |= n;
return 1;
}
do {
++len;
if(n >= 128) {
*buf++ = (1 << 7) | (n & 0x7f);
n >>= 7;
} else {
*buf++ = (uint8_t)n;
break;
}
} while(n);
return len;
}
void test_nghttp2_hd_decode_length(void)
{
uint32_t out;
size_t shift;
int final;
uint8_t buf[16];
uint8_t *bufp;
size_t len;
ssize_t rv;
size_t i;
memset(buf, 0, sizeof(buf));
len = encode_length(buf, UINT32_MAX, 7);
rv = nghttp2_hd_decode_length(&out, &shift, &final, 0, 0, buf, buf + len, 7);
CU_ASSERT((ssize_t)len == rv);
CU_ASSERT(0 != final);
CU_ASSERT(UINT32_MAX == out);
/* Make sure that we can decode integer if we feed 1 byte at a
time */
out = 0;
shift = 0;
final = 0;
bufp = buf;
for(i = 0; i < len; ++i, ++bufp) {
rv = nghttp2_hd_decode_length(&out, &shift, &final, out, shift,
bufp, bufp + 1, 7);
CU_ASSERT(rv == 1);
if(final) {
break;
}
}
CU_ASSERT(i == len - 1);
CU_ASSERT(0 != final);
CU_ASSERT(UINT32_MAX == out);
/* Check overflow case */
memset(buf, 0, sizeof(buf));
len = encode_length(buf, 1ll << 32, 7);
rv = nghttp2_hd_decode_length(&out, &shift, &final, 0, 0, buf, buf + len, 7);
CU_ASSERT(-1 == rv);
}
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