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1 /*
2  * nghttp2 - HTTP/2 C Library
3  *
4  * Copyright (c) 2013 Tatsuhiro Tsujikawa
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining
7  * a copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sublicense, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be
15  * included in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24  */
25 #include "http2_test.h"
26 
27 #include <cassert>
28 #include <cstring>
29 #include <iostream>
30 
31 #include <CUnit/CUnit.h>
32 
33 #include "url-parser/url_parser.h"
34 
35 #include "http2.h"
36 #include "util.h"
37 
38 using namespace nghttp2;
39 
40 #define MAKE_NV(K, V)                                                          \
41   {                                                                            \
42     (uint8_t *)K, (uint8_t *)V, sizeof(K) - 1, sizeof(V) - 1,                  \
43         NGHTTP2_NV_FLAG_NONE                                                   \
44   }
45 
46 namespace shrpx {
47 
48 namespace {
check_nv(const HeaderRef & a,const nghttp2_nv * b)49 void check_nv(const HeaderRef &a, const nghttp2_nv *b) {
50   CU_ASSERT(a.name.size() == b->namelen);
51   CU_ASSERT(a.value.size() == b->valuelen);
52   CU_ASSERT(memcmp(a.name.c_str(), b->name, b->namelen) == 0);
53   CU_ASSERT(memcmp(a.value.c_str(), b->value, b->valuelen) == 0);
54 }
55 } // namespace
56 
test_http2_add_header(void)57 void test_http2_add_header(void) {
58   auto nva = Headers();
59 
60   http2::add_header(nva, (const uint8_t *)"alpha", 5, (const uint8_t *)"123", 3,
61                     false, -1);
62   CU_ASSERT(Headers::value_type("alpha", "123") == nva[0]);
63   CU_ASSERT(!nva[0].no_index);
64 
65   nva.clear();
66 
67   http2::add_header(nva, (const uint8_t *)"alpha", 5, (const uint8_t *)"", 0,
68                     true, -1);
69   CU_ASSERT(Headers::value_type("alpha", "") == nva[0]);
70   CU_ASSERT(nva[0].no_index);
71 
72   nva.clear();
73 
74   http2::add_header(nva, (const uint8_t *)"a", 1, (const uint8_t *)" b", 2,
75                     false, -1);
76   CU_ASSERT(Headers::value_type("a", "b") == nva[0]);
77 
78   nva.clear();
79 
80   http2::add_header(nva, (const uint8_t *)"a", 1, (const uint8_t *)"b ", 2,
81                     false, -1);
82   CU_ASSERT(Headers::value_type("a", "b") == nva[0]);
83 
84   nva.clear();
85 
86   http2::add_header(nva, (const uint8_t *)"a", 1, (const uint8_t *)"  b  ", 5,
87                     false, -1);
88   CU_ASSERT(Headers::value_type("a", "b") == nva[0]);
89 
90   nva.clear();
91 
92   http2::add_header(nva, (const uint8_t *)"a", 1, (const uint8_t *)"  bravo  ",
93                     9, false, -1);
94   CU_ASSERT(Headers::value_type("a", "bravo") == nva[0]);
95 
96   nva.clear();
97 
98   http2::add_header(nva, (const uint8_t *)"a", 1, (const uint8_t *)"    ", 4,
99                     false, -1);
100   CU_ASSERT(Headers::value_type("a", "") == nva[0]);
101 
102   nva.clear();
103 
104   http2::add_header(nva, (const uint8_t *)"te", 2, (const uint8_t *)"trailers",
105                     8, false, http2::HD_TE);
106   CU_ASSERT(http2::HD_TE == nva[0].token);
107 }
108 
test_http2_get_header(void)109 void test_http2_get_header(void) {
110   auto nva = Headers{{"alpha", "1"},         {"bravo", "2"}, {"bravo", "3"},
111                      {"charlie", "4"},       {"delta", "5"}, {"echo", "6"},
112                      {"content-length", "7"}};
113   const Headers::value_type *rv;
114   rv = http2::get_header(nva, "delta");
115   CU_ASSERT(rv != nullptr);
116   CU_ASSERT("delta" == rv->name);
117 
118   rv = http2::get_header(nva, "bravo");
119   CU_ASSERT(rv != nullptr);
120   CU_ASSERT("bravo" == rv->name);
121 
122   rv = http2::get_header(nva, "foxtrot");
123   CU_ASSERT(rv == nullptr);
124 
125   http2::HeaderIndex hdidx;
126   http2::init_hdidx(hdidx);
127   hdidx[http2::HD_CONTENT_LENGTH] = 6;
128   rv = http2::get_header(hdidx, http2::HD_CONTENT_LENGTH, nva);
129   CU_ASSERT("content-length" == rv->name);
130 }
131 
132 namespace {
133 auto headers = HeaderRefs{
134     {StringRef::from_lit("alpha"), StringRef::from_lit("0"), true},
135     {StringRef::from_lit("bravo"), StringRef::from_lit("1")},
136     {StringRef::from_lit("connection"), StringRef::from_lit("2"), false,
137      http2::HD_CONNECTION},
138     {StringRef::from_lit("connection"), StringRef::from_lit("3"), false,
139      http2::HD_CONNECTION},
140     {StringRef::from_lit("delta"), StringRef::from_lit("4")},
141     {StringRef::from_lit("expect"), StringRef::from_lit("5")},
142     {StringRef::from_lit("foxtrot"), StringRef::from_lit("6")},
143     {StringRef::from_lit("tango"), StringRef::from_lit("7")},
144     {StringRef::from_lit("te"), StringRef::from_lit("8"), false, http2::HD_TE},
145     {StringRef::from_lit("te"), StringRef::from_lit("9"), false, http2::HD_TE},
146     {StringRef::from_lit("x-forwarded-proto"), StringRef::from_lit("10"), false,
147      http2::HD_X_FORWARDED_FOR},
148     {StringRef::from_lit("x-forwarded-proto"), StringRef::from_lit("11"), false,
149      http2::HD_X_FORWARDED_FOR},
150     {StringRef::from_lit("zulu"), StringRef::from_lit("12")}};
151 } // namespace
152 
153 namespace {
154 auto headers2 = HeaderRefs{
155     {StringRef::from_lit("x-forwarded-for"), StringRef::from_lit("xff1"), false,
156      http2::HD_X_FORWARDED_FOR},
157     {StringRef::from_lit("x-forwarded-for"), StringRef::from_lit("xff2"), false,
158      http2::HD_X_FORWARDED_FOR},
159     {StringRef::from_lit("x-forwarded-proto"), StringRef::from_lit("xfp1"),
160      false, http2::HD_X_FORWARDED_PROTO},
161     {StringRef::from_lit("x-forwarded-proto"), StringRef::from_lit("xfp2"),
162      false, http2::HD_X_FORWARDED_PROTO},
163     {StringRef::from_lit("forwarded"), StringRef::from_lit("fwd1"), false,
164      http2::HD_FORWARDED},
165     {StringRef::from_lit("forwarded"), StringRef::from_lit("fwd2"), false,
166      http2::HD_FORWARDED},
167     {StringRef::from_lit("via"), StringRef::from_lit("via1"), false,
168      http2::HD_VIA},
169     {StringRef::from_lit("via"), StringRef::from_lit("via2"), false,
170      http2::HD_VIA},
171 };
172 } // namespace
173 
test_http2_copy_headers_to_nva(void)174 void test_http2_copy_headers_to_nva(void) {
175   auto ans = std::vector<int>{0, 1, 4, 5, 6, 7, 12};
176   std::vector<nghttp2_nv> nva;
177 
178   http2::copy_headers_to_nva_nocopy(nva, headers,
179                                     http2::HDOP_STRIP_X_FORWARDED_FOR);
180   CU_ASSERT(7 == nva.size());
181   for (size_t i = 0; i < ans.size(); ++i) {
182     check_nv(headers[ans[i]], &nva[i]);
183 
184     if (ans[i] == 0) {
185       CU_ASSERT((NGHTTP2_NV_FLAG_NO_COPY_NAME | NGHTTP2_NV_FLAG_NO_COPY_VALUE |
186                  NGHTTP2_NV_FLAG_NO_INDEX) == nva[i].flags);
187     } else {
188       CU_ASSERT((NGHTTP2_NV_FLAG_NO_COPY_NAME |
189                  NGHTTP2_NV_FLAG_NO_COPY_VALUE) == nva[i].flags);
190     }
191   }
192 
193   nva.clear();
194   http2::copy_headers_to_nva(nva, headers, http2::HDOP_STRIP_X_FORWARDED_FOR);
195   CU_ASSERT(7 == nva.size());
196   for (size_t i = 0; i < ans.size(); ++i) {
197     check_nv(headers[ans[i]], &nva[i]);
198 
199     if (ans[i] == 0) {
200       CU_ASSERT(nva[i].flags & NGHTTP2_NV_FLAG_NO_INDEX);
201     } else {
202       CU_ASSERT(NGHTTP2_NV_FLAG_NONE == nva[i].flags);
203     }
204   }
205 
206   nva.clear();
207 
208   auto ans2 = std::vector<int>{0, 2, 4, 6};
209   http2::copy_headers_to_nva(nva, headers2, http2::HDOP_NONE);
210   CU_ASSERT(ans2.size() == nva.size());
211   for (size_t i = 0; i < ans2.size(); ++i) {
212     check_nv(headers2[ans2[i]], &nva[i]);
213   }
214 
215   nva.clear();
216 
217   http2::copy_headers_to_nva(nva, headers2, http2::HDOP_STRIP_ALL);
218   CU_ASSERT(nva.empty());
219 }
220 
test_http2_build_http1_headers_from_headers(void)221 void test_http2_build_http1_headers_from_headers(void) {
222   MemchunkPool pool;
223   DefaultMemchunks buf(&pool);
224   http2::build_http1_headers_from_headers(&buf, headers,
225                                           http2::HDOP_STRIP_X_FORWARDED_FOR);
226   auto hdrs = std::string(buf.head->pos, buf.head->last);
227   CU_ASSERT("Alpha: 0\r\n"
228             "Bravo: 1\r\n"
229             "Delta: 4\r\n"
230             "Expect: 5\r\n"
231             "Foxtrot: 6\r\n"
232             "Tango: 7\r\n"
233             "Te: 8\r\n"
234             "Te: 9\r\n"
235             "Zulu: 12\r\n" == hdrs);
236 
237   buf.reset();
238 
239   http2::build_http1_headers_from_headers(&buf, headers2, http2::HDOP_NONE);
240   hdrs = std::string(buf.head->pos, buf.head->last);
241   CU_ASSERT("X-Forwarded-For: xff1\r\n"
242             "X-Forwarded-Proto: xfp1\r\n"
243             "Forwarded: fwd1\r\n"
244             "Via: via1\r\n" == hdrs);
245 
246   buf.reset();
247 
248   http2::build_http1_headers_from_headers(&buf, headers2,
249                                           http2::HDOP_STRIP_ALL);
250   CU_ASSERT(0 == buf.rleft());
251 }
252 
test_http2_lws(void)253 void test_http2_lws(void) {
254   CU_ASSERT(!http2::lws("alpha"));
255   CU_ASSERT(http2::lws(" "));
256   CU_ASSERT(http2::lws(""));
257 }
258 
259 namespace {
check_rewrite_location_uri(const std::string & want,const std::string & uri,const std::string & match_host,const std::string & req_authority,const std::string & upstream_scheme)260 void check_rewrite_location_uri(const std::string &want, const std::string &uri,
261                                 const std::string &match_host,
262                                 const std::string &req_authority,
263                                 const std::string &upstream_scheme) {
264   BlockAllocator balloc(4096, 4096);
265   http_parser_url u{};
266   CU_ASSERT(0 == http_parser_parse_url(uri.c_str(), uri.size(), 0, &u));
267   auto got = http2::rewrite_location_uri(
268       balloc, StringRef{uri}, u, StringRef{match_host},
269       StringRef{req_authority}, StringRef{upstream_scheme});
270   CU_ASSERT(want == got);
271 }
272 } // namespace
273 
test_http2_rewrite_location_uri(void)274 void test_http2_rewrite_location_uri(void) {
275   check_rewrite_location_uri("https://localhost:3000/alpha?bravo#charlie",
276                              "http://localhost:3001/alpha?bravo#charlie",
277                              "localhost:3001", "localhost:3000", "https");
278   check_rewrite_location_uri("https://localhost/", "http://localhost:3001/",
279                              "localhost", "localhost", "https");
280   check_rewrite_location_uri("http://localhost/", "http://localhost:3001/",
281                              "localhost", "localhost", "http");
282   check_rewrite_location_uri("http://localhost:443/", "http://localhost:3001/",
283                              "localhost", "localhost:443", "http");
284   check_rewrite_location_uri("https://localhost:80/", "http://localhost:3001/",
285                              "localhost", "localhost:80", "https");
286   check_rewrite_location_uri("", "http://localhost:3001/", "127.0.0.1",
287                              "127.0.0.1", "https");
288   check_rewrite_location_uri("https://localhost:3000/",
289                              "http://localhost:3001/", "localhost",
290                              "localhost:3000", "https");
291   check_rewrite_location_uri("https://localhost:3000/", "http://localhost/",
292                              "localhost", "localhost:3000", "https");
293 
294   // match_host != req_authority
295   check_rewrite_location_uri("https://example.org", "http://127.0.0.1:8080",
296                              "127.0.0.1", "example.org", "https");
297   check_rewrite_location_uri("", "http://example.org", "127.0.0.1",
298                              "example.org", "https");
299 }
300 
test_http2_parse_http_status_code(void)301 void test_http2_parse_http_status_code(void) {
302   CU_ASSERT(200 == http2::parse_http_status_code(StringRef::from_lit("200")));
303   CU_ASSERT(102 == http2::parse_http_status_code(StringRef::from_lit("102")));
304   CU_ASSERT(-1 == http2::parse_http_status_code(StringRef::from_lit("099")));
305   CU_ASSERT(-1 == http2::parse_http_status_code(StringRef::from_lit("99")));
306   CU_ASSERT(-1 == http2::parse_http_status_code(StringRef::from_lit("-1")));
307   CU_ASSERT(-1 == http2::parse_http_status_code(StringRef::from_lit("20a")));
308   CU_ASSERT(-1 == http2::parse_http_status_code(StringRef{}));
309 }
310 
test_http2_index_header(void)311 void test_http2_index_header(void) {
312   http2::HeaderIndex hdidx;
313   http2::init_hdidx(hdidx);
314 
315   http2::index_header(hdidx, http2::HD__AUTHORITY, 0);
316   http2::index_header(hdidx, -1, 1);
317 
318   CU_ASSERT(0 == hdidx[http2::HD__AUTHORITY]);
319 }
320 
test_http2_lookup_token(void)321 void test_http2_lookup_token(void) {
322   CU_ASSERT(http2::HD__AUTHORITY ==
323             http2::lookup_token(StringRef::from_lit(":authority")));
324   CU_ASSERT(-1 == http2::lookup_token(StringRef::from_lit(":authorit")));
325   CU_ASSERT(-1 == http2::lookup_token(StringRef::from_lit(":Authority")));
326   CU_ASSERT(http2::HD_EXPECT ==
327             http2::lookup_token(StringRef::from_lit("expect")));
328 }
329 
test_http2_parse_link_header(void)330 void test_http2_parse_link_header(void) {
331   {
332     // only URI appears; we don't extract URI unless it bears rel=preload
333     auto res = http2::parse_link_header(StringRef::from_lit("<url>"));
334     CU_ASSERT(0 == res.size());
335   }
336   {
337     // URI url should be extracted
338     auto res =
339         http2::parse_link_header(StringRef::from_lit("<url>; rel=preload"));
340     CU_ASSERT(1 == res.size());
341     CU_ASSERT("url" == res[0].uri);
342   }
343   {
344     // With extra link-param.  URI url should be extracted
345     auto res = http2::parse_link_header(
346         StringRef::from_lit("<url>; rel=preload; as=file"));
347     CU_ASSERT(1 == res.size());
348     CU_ASSERT("url" == res[0].uri);
349   }
350   {
351     // With extra link-param.  URI url should be extracted
352     auto res = http2::parse_link_header(
353         StringRef::from_lit("<url>; as=file; rel=preload"));
354     CU_ASSERT(1 == res.size());
355     CU_ASSERT("url" == res[0].uri);
356   }
357   {
358     // With extra link-param and quote-string.  URI url should be
359     // extracted
360     auto res = http2::parse_link_header(
361         StringRef::from_lit(R"(<url>; rel=preload; title="foo,bar")"));
362     CU_ASSERT(1 == res.size());
363     CU_ASSERT("url" == res[0].uri);
364   }
365   {
366     // With extra link-param and quote-string.  URI url should be
367     // extracted
368     auto res = http2::parse_link_header(
369         StringRef::from_lit(R"(<url>; title="foo,bar"; rel=preload)"));
370     CU_ASSERT(1 == res.size());
371     CU_ASSERT("url" == res[0].uri);
372   }
373   {
374     // ',' after quote-string
375     auto res = http2::parse_link_header(
376         StringRef::from_lit(R"(<url>; title="foo,bar", <url2>; rel=preload)"));
377     CU_ASSERT(1 == res.size());
378     CU_ASSERT("url2" == res[0].uri);
379   }
380   {
381     // Only first URI should be extracted.
382     auto res = http2::parse_link_header(
383         StringRef::from_lit("<url>; rel=preload, <url2>"));
384     CU_ASSERT(1 == res.size());
385     CU_ASSERT("url" == res[0].uri);
386   }
387   {
388     // Both have rel=preload, so both urls should be extracted
389     auto res = http2::parse_link_header(
390         StringRef::from_lit("<url>; rel=preload, <url2>; rel=preload"));
391     CU_ASSERT(2 == res.size());
392     CU_ASSERT("url" == res[0].uri);
393     CU_ASSERT("url2" == res[1].uri);
394   }
395   {
396     // Second URI uri should be extracted.
397     auto res = http2::parse_link_header(
398         StringRef::from_lit("<url>, <url2>;rel=preload"));
399     CU_ASSERT(1 == res.size());
400     CU_ASSERT("url2" == res[0].uri);
401   }
402   {
403     // Error if input ends with ';'
404     auto res =
405         http2::parse_link_header(StringRef::from_lit("<url>;rel=preload;"));
406     CU_ASSERT(0 == res.size());
407   }
408   {
409     // Error if link header ends with ';'
410     auto res = http2::parse_link_header(
411         StringRef::from_lit("<url>;rel=preload;, <url>"));
412     CU_ASSERT(0 == res.size());
413   }
414   {
415     // OK if input ends with ','
416     auto res =
417         http2::parse_link_header(StringRef::from_lit("<url>;rel=preload,"));
418     CU_ASSERT(1 == res.size());
419     CU_ASSERT("url" == res[0].uri);
420   }
421   {
422     // Multiple repeated ','s between fields is OK
423     auto res = http2::parse_link_header(
424         StringRef::from_lit("<url>,,,<url2>;rel=preload"));
425     CU_ASSERT(1 == res.size());
426     CU_ASSERT("url2" == res[0].uri);
427   }
428   {
429     // Error if url is not enclosed by <>
430     auto res =
431         http2::parse_link_header(StringRef::from_lit("url>;rel=preload"));
432     CU_ASSERT(0 == res.size());
433   }
434   {
435     // Error if url is not enclosed by <>
436     auto res =
437         http2::parse_link_header(StringRef::from_lit("<url;rel=preload"));
438     CU_ASSERT(0 == res.size());
439   }
440   {
441     // Empty parameter value is not allowed
442     auto res =
443         http2::parse_link_header(StringRef::from_lit("<url>;rel=preload; as="));
444     CU_ASSERT(0 == res.size());
445   }
446   {
447     // Empty parameter value is not allowed
448     auto res =
449         http2::parse_link_header(StringRef::from_lit("<url>;as=;rel=preload"));
450     CU_ASSERT(0 == res.size());
451   }
452   {
453     // Empty parameter value is not allowed
454     auto res = http2::parse_link_header(
455         StringRef::from_lit("<url>;as=, <url>;rel=preload"));
456     CU_ASSERT(0 == res.size());
457   }
458   {
459     // Empty parameter name is not allowed
460     auto res = http2::parse_link_header(
461         StringRef::from_lit("<url>; =file; rel=preload"));
462     CU_ASSERT(0 == res.size());
463   }
464   {
465     // Without whitespaces
466     auto res = http2::parse_link_header(
467         StringRef::from_lit("<url>;as=file;rel=preload,<url2>;rel=preload"));
468     CU_ASSERT(2 == res.size());
469     CU_ASSERT("url" == res[0].uri);
470     CU_ASSERT("url2" == res[1].uri);
471   }
472   {
473     // link-extension may have no value
474     auto res =
475         http2::parse_link_header(StringRef::from_lit("<url>; as; rel=preload"));
476     CU_ASSERT(1 == res.size());
477     CU_ASSERT("url" == res[0].uri);
478   }
479   {
480     // ext-name-star
481     auto res = http2::parse_link_header(
482         StringRef::from_lit("<url>; foo*=bar; rel=preload"));
483     CU_ASSERT(1 == res.size());
484     CU_ASSERT("url" == res[0].uri);
485   }
486   {
487     // '*' is not allowed expect for trailing one
488     auto res = http2::parse_link_header(
489         StringRef::from_lit("<url>; *=bar; rel=preload"));
490     CU_ASSERT(0 == res.size());
491   }
492   {
493     // '*' is not allowed expect for trailing one
494     auto res = http2::parse_link_header(
495         StringRef::from_lit("<url>; foo*bar=buzz; rel=preload"));
496     CU_ASSERT(0 == res.size());
497   }
498   {
499     // ext-name-star must be followed by '='
500     auto res = http2::parse_link_header(
501         StringRef::from_lit("<url>; foo*; rel=preload"));
502     CU_ASSERT(0 == res.size());
503   }
504   {
505     // '>' is not followed by ';'
506     auto res =
507         http2::parse_link_header(StringRef::from_lit("<url> rel=preload"));
508     CU_ASSERT(0 == res.size());
509   }
510   {
511     // Starting with whitespace is no problem.
512     auto res =
513         http2::parse_link_header(StringRef::from_lit("  <url>; rel=preload"));
514     CU_ASSERT(1 == res.size());
515     CU_ASSERT("url" == res[0].uri);
516   }
517   {
518     // preload is a prefix of bogus rel parameter value
519     auto res =
520         http2::parse_link_header(StringRef::from_lit("<url>; rel=preloadx"));
521     CU_ASSERT(0 == res.size());
522   }
523   {
524     // preload in relation-types list
525     auto res = http2::parse_link_header(
526         StringRef::from_lit(R"(<url>; rel="preload")"));
527     CU_ASSERT(1 == res.size());
528     CU_ASSERT("url" == res[0].uri);
529   }
530   {
531     // preload in relation-types list followed by another parameter
532     auto res = http2::parse_link_header(
533         StringRef::from_lit(R"(<url>; rel="preload foo")"));
534     CU_ASSERT(1 == res.size());
535     CU_ASSERT("url" == res[0].uri);
536   }
537   {
538     // preload in relation-types list following another parameter
539     auto res = http2::parse_link_header(
540         StringRef::from_lit(R"(<url>; rel="foo preload")"));
541     CU_ASSERT(1 == res.size());
542     CU_ASSERT("url" == res[0].uri);
543   }
544   {
545     // preload in relation-types list between other parameters
546     auto res = http2::parse_link_header(
547         StringRef::from_lit(R"(<url>; rel="foo preload bar")"));
548     CU_ASSERT(1 == res.size());
549     CU_ASSERT("url" == res[0].uri);
550   }
551   {
552     // preload in relation-types list between other parameters
553     auto res = http2::parse_link_header(
554         StringRef::from_lit(R"(<url>; rel="foo   preload   bar")"));
555     CU_ASSERT(1 == res.size());
556     CU_ASSERT("url" == res[0].uri);
557   }
558   {
559     // no preload in relation-types list
560     auto res =
561         http2::parse_link_header(StringRef::from_lit(R"(<url>; rel="foo")"));
562     CU_ASSERT(0 == res.size());
563   }
564   {
565     // no preload in relation-types list, multiple unrelated elements.
566     auto res = http2::parse_link_header(
567         StringRef::from_lit(R"(<url>; rel="foo bar")"));
568     CU_ASSERT(0 == res.size());
569   }
570   {
571     // preload in relation-types list, followed by another link-value.
572     auto res = http2::parse_link_header(
573         StringRef::from_lit(R"(<url>; rel="preload", <url2>)"));
574     CU_ASSERT(1 == res.size());
575     CU_ASSERT("url" == res[0].uri);
576   }
577   {
578     // preload in relation-types list, following another link-value.
579     auto res = http2::parse_link_header(
580         StringRef::from_lit(R"(<url>, <url2>; rel="preload")"));
581     CU_ASSERT(1 == res.size());
582     CU_ASSERT("url2" == res[0].uri);
583   }
584   {
585     // preload in relation-types list, followed by another link-param.
586     auto res = http2::parse_link_header(
587         StringRef::from_lit(R"(<url>; rel="preload"; as="font")"));
588     CU_ASSERT(1 == res.size());
589     CU_ASSERT("url" == res[0].uri);
590   }
591   {
592     // preload in relation-types list, followed by character other
593     // than ';' or ','
594     auto res = http2::parse_link_header(
595         StringRef::from_lit(R"(<url>; rel="preload".)"));
596     CU_ASSERT(0 == res.size());
597   }
598   {
599     // preload in relation-types list, followed by ';' but it
600     // terminates input
601     auto res = http2::parse_link_header(
602         StringRef::from_lit(R"(<url>; rel="preload";)"));
603     CU_ASSERT(0 == res.size());
604   }
605   {
606     // preload in relation-types list, followed by ',' but it
607     // terminates input
608     auto res = http2::parse_link_header(
609         StringRef::from_lit(R"(<url>; rel="preload",)"));
610     CU_ASSERT(1 == res.size());
611     CU_ASSERT("url" == res[0].uri);
612   }
613   {
614     // preload in relation-types list but there is preceding white
615     // space.
616     auto res = http2::parse_link_header(
617         StringRef::from_lit(R"(<url>; rel=" preload")"));
618     CU_ASSERT(0 == res.size());
619   }
620   {
621     // preload in relation-types list but there is trailing white
622     // space.
623     auto res = http2::parse_link_header(
624         StringRef::from_lit(R"(<url>; rel="preload ")"));
625     CU_ASSERT(0 == res.size());
626   }
627   {
628     // backslash escaped characters in quoted-string
629     auto res = http2::parse_link_header(
630         StringRef::from_lit(R"(<url>; rel=preload; title="foo\"baz\"bar")"));
631     CU_ASSERT(1 == res.size());
632     CU_ASSERT("url" == res[0].uri);
633   }
634   {
635     // anchor="" is acceptable
636     auto res = http2::parse_link_header(
637         StringRef::from_lit(R"(<url>; rel=preload; anchor="")"));
638     CU_ASSERT(1 == res.size());
639     CU_ASSERT("url" == res[0].uri);
640   }
641   {
642     // With anchor="#foo", url should be ignored
643     auto res = http2::parse_link_header(
644         StringRef::from_lit(R"(<url>; rel=preload; anchor="#foo")"));
645     CU_ASSERT(0 == res.size());
646   }
647   {
648     // With anchor=f, url should be ignored
649     auto res = http2::parse_link_header(
650         StringRef::from_lit("<url>; rel=preload; anchor=f"));
651     CU_ASSERT(0 == res.size());
652   }
653   {
654     // First url is ignored With anchor="#foo", but url should be
655     // accepted.
656     auto res = http2::parse_link_header(StringRef::from_lit(
657         R"(<url>; rel=preload; anchor="#foo", <url2>; rel=preload)"));
658     CU_ASSERT(1 == res.size());
659     CU_ASSERT("url2" == res[0].uri);
660   }
661   {
662     // With loadpolicy="next", url should be ignored
663     auto res = http2::parse_link_header(
664         StringRef::from_lit(R"(<url>; rel=preload; loadpolicy="next")"));
665     CU_ASSERT(0 == res.size());
666   }
667   {
668     // url should be picked up if empty loadpolicy is specified
669     auto res = http2::parse_link_header(
670         StringRef::from_lit(R"(<url>; rel=preload; loadpolicy="")"));
671     CU_ASSERT(1 == res.size());
672     CU_ASSERT("url" == res[0].uri);
673   }
674   {
675     // case-insensitive match
676     auto res = http2::parse_link_header(
677         StringRef::from_lit(R"(<url>; rel=preload; ANCHOR="#foo", <url2>; )"
678                             R"(REL=PRELOAD, <url3>; REL="foo PRELOAD bar")"));
679     CU_ASSERT(2 == res.size());
680     CU_ASSERT("url2" == res[0].uri);
681     CU_ASSERT("url3" == res[1].uri);
682   }
683   {
684     // nopush at the end of input
685     auto res = http2::parse_link_header(
686         StringRef::from_lit("<url>; rel=preload; nopush"));
687     CU_ASSERT(0 == res.size());
688   }
689   {
690     // nopush followed by ';'
691     auto res = http2::parse_link_header(
692         StringRef::from_lit("<url>; rel=preload; nopush; foo"));
693     CU_ASSERT(0 == res.size());
694   }
695   {
696     // nopush followed by ','
697     auto res = http2::parse_link_header(
698         StringRef::from_lit("<url>; nopush; rel=preload"));
699     CU_ASSERT(0 == res.size());
700   }
701   {
702     // string whose prefix is nopush
703     auto res = http2::parse_link_header(
704         StringRef::from_lit("<url>; nopushyes; rel=preload"));
705     CU_ASSERT(1 == res.size());
706     CU_ASSERT("url" == res[0].uri);
707   }
708   {
709     // rel=preload twice
710     auto res = http2::parse_link_header(
711         StringRef::from_lit("<url>; rel=preload; rel=preload"));
712     CU_ASSERT(1 == res.size());
713     CU_ASSERT("url" == res[0].uri);
714   }
715 }
716 
717 void test_http2_path_join(void) {
718   {
719     auto base = StringRef::from_lit("/");
720     auto rel = StringRef::from_lit("/");
721     CU_ASSERT("/" == http2::path_join(base, StringRef{}, rel, StringRef{}));
722   }
723   {
724     auto base = StringRef::from_lit("/");
725     auto rel = StringRef::from_lit("/alpha");
726     CU_ASSERT("/alpha" ==
727               http2::path_join(base, StringRef{}, rel, StringRef{}));
728   }
729   {
730     // rel ends with trailing '/'
731     auto base = StringRef::from_lit("/");
732     auto rel = StringRef::from_lit("/alpha/");
733     CU_ASSERT("/alpha/" ==
734               http2::path_join(base, StringRef{}, rel, StringRef{}));
735   }
736   {
737     // rel contains multiple components
738     auto base = StringRef::from_lit("/");
739     auto rel = StringRef::from_lit("/alpha/bravo");
740     CU_ASSERT("/alpha/bravo" ==
741               http2::path_join(base, StringRef{}, rel, StringRef{}));
742   }
743   {
744     // rel is relative
745     auto base = StringRef::from_lit("/");
746     auto rel = StringRef::from_lit("alpha/bravo");
747     CU_ASSERT("/alpha/bravo" ==
748               http2::path_join(base, StringRef{}, rel, StringRef{}));
749   }
750   {
751     // rel is relative and base ends without /, which means it refers
752     // to file.
753     auto base = StringRef::from_lit("/alpha");
754     auto rel = StringRef::from_lit("bravo/charlie");
755     CU_ASSERT("/bravo/charlie" ==
756               http2::path_join(base, StringRef{}, rel, StringRef{}));
757   }
758   {
759     // rel contains repeated '/'s
760     auto base = StringRef::from_lit("/");
761     auto rel = StringRef::from_lit("/alpha/////bravo/////");
762     CU_ASSERT("/alpha/bravo/" ==
763               http2::path_join(base, StringRef{}, rel, StringRef{}));
764   }
765   {
766     // base ends with '/', so '..' eats 'bravo'
767     auto base = StringRef::from_lit("/alpha/bravo/");
768     auto rel = StringRef::from_lit("../charlie/delta");
769     CU_ASSERT("/alpha/charlie/delta" ==
770               http2::path_join(base, StringRef{}, rel, StringRef{}));
771   }
772   {
773     // base does not end with '/', so '..' eats 'alpha/bravo'
774     auto base = StringRef::from_lit("/alpha/bravo");
775     auto rel = StringRef::from_lit("../charlie");
776     CU_ASSERT("/charlie" ==
777               http2::path_join(base, StringRef{}, rel, StringRef{}));
778   }
779   {
780     // 'charlie' is eaten by following '..'
781     auto base = StringRef::from_lit("/alpha/bravo/");
782     auto rel = StringRef::from_lit("../charlie/../delta");
783     CU_ASSERT("/alpha/delta" ==
784               http2::path_join(base, StringRef{}, rel, StringRef{}));
785   }
786   {
787     // excessive '..' results in '/'
788     auto base = StringRef::from_lit("/alpha/bravo/");
789     auto rel = StringRef::from_lit("../../../");
790     CU_ASSERT("/" == http2::path_join(base, StringRef{}, rel, StringRef{}));
791   }
792   {
793     // excessive '..'  and  path component
794     auto base = StringRef::from_lit("/alpha/bravo/");
795     auto rel = StringRef::from_lit("../../../charlie");
796     CU_ASSERT("/charlie" ==
797               http2::path_join(base, StringRef{}, rel, StringRef{}));
798   }
799   {
800     // rel ends with '..'
801     auto base = StringRef::from_lit("/alpha/bravo/");
802     auto rel = StringRef::from_lit("charlie/..");
803     CU_ASSERT("/alpha/bravo/" ==
804               http2::path_join(base, StringRef{}, rel, StringRef{}));
805   }
806   {
807     // base empty and rel contains '..'
808     auto base = StringRef{};
809     auto rel = StringRef::from_lit("charlie/..");
810     CU_ASSERT("/" == http2::path_join(base, StringRef{}, rel, StringRef{}));
811   }
812   {
813     // '.' is ignored
814     auto base = StringRef::from_lit("/");
815     auto rel = StringRef::from_lit("charlie/././././delta");
816     CU_ASSERT("/charlie/delta" ==
817               http2::path_join(base, StringRef{}, rel, StringRef{}));
818   }
819   {
820     // trailing '.' is ignored
821     auto base = StringRef::from_lit("/");
822     auto rel = StringRef::from_lit("charlie/.");
823     CU_ASSERT("/charlie/" ==
824               http2::path_join(base, StringRef{}, rel, StringRef{}));
825   }
826   {
827     // query
828     auto base = StringRef::from_lit("/");
829     auto rel = StringRef::from_lit("/");
830     auto relq = StringRef::from_lit("q");
831     CU_ASSERT("/?q" == http2::path_join(base, StringRef{}, rel, relq));
832   }
833   {
834     // empty rel and query
835     auto base = StringRef::from_lit("/alpha");
836     auto rel = StringRef{};
837     auto relq = StringRef::from_lit("q");
838     CU_ASSERT("/alpha?q" == http2::path_join(base, StringRef{}, rel, relq));
839   }
840   {
841     // both rel and query are empty
842     auto base = StringRef::from_lit("/alpha");
843     auto baseq = StringRef::from_lit("r");
844     auto rel = StringRef{};
845     auto relq = StringRef{};
846     CU_ASSERT("/alpha?r" == http2::path_join(base, baseq, rel, relq));
847   }
848   {
849     // empty base
850     auto base = StringRef{};
851     auto rel = StringRef::from_lit("/alpha");
852     CU_ASSERT("/alpha" ==
853               http2::path_join(base, StringRef{}, rel, StringRef{}));
854   }
855   {
856     // everything is empty
857     CU_ASSERT("/" == http2::path_join(StringRef{}, StringRef{}, StringRef{},
858                                       StringRef{}));
859   }
860   {
861     // only baseq is not empty
862     auto base = StringRef{};
863     auto baseq = StringRef::from_lit("r");
864     auto rel = StringRef{};
865     CU_ASSERT("/?r" == http2::path_join(base, baseq, rel, StringRef{}));
866   }
867   {
868     // path starts with multiple '/'s.
869     auto base = StringRef{};
870     auto baseq = StringRef{};
871     auto rel = StringRef::from_lit("//alpha//bravo");
872     auto relq = StringRef::from_lit("charlie");
873     CU_ASSERT("/alpha/bravo?charlie" ==
874               http2::path_join(base, baseq, rel, relq));
875   }
876   // Test cases from RFC 3986, section 5.4.
877   constexpr auto base = StringRef::from_lit("/b/c/d;p");
878   constexpr auto baseq = StringRef::from_lit("q");
879   {
880     auto rel = StringRef::from_lit("g");
881     auto relq = StringRef{};
882     CU_ASSERT("/b/c/g" == http2::path_join(base, baseq, rel, relq));
883   }
884   {
885     auto rel = StringRef::from_lit("./g");
886     auto relq = StringRef{};
887     CU_ASSERT("/b/c/g" == http2::path_join(base, baseq, rel, relq));
888   }
889   {
890     auto rel = StringRef::from_lit("g/");
891     auto relq = StringRef{};
892     CU_ASSERT("/b/c/g/" == http2::path_join(base, baseq, rel, relq));
893   }
894   {
895     auto rel = StringRef::from_lit("/g");
896     auto relq = StringRef{};
897     CU_ASSERT("/g" == http2::path_join(base, baseq, rel, relq));
898   }
899   {
900     auto rel = StringRef{};
901     auto relq = StringRef::from_lit("y");
902     CU_ASSERT("/b/c/d;p?y" == http2::path_join(base, baseq, rel, relq));
903   }
904   {
905     auto rel = StringRef::from_lit("g");
906     auto relq = StringRef::from_lit("y");
907     CU_ASSERT("/b/c/g?y" == http2::path_join(base, baseq, rel, relq));
908   }
909   {
910     auto rel = StringRef::from_lit(";x");
911     auto relq = StringRef{};
912     CU_ASSERT("/b/c/;x" == http2::path_join(base, baseq, rel, relq));
913   }
914   {
915     auto rel = StringRef::from_lit("g;x");
916     auto relq = StringRef{};
917     CU_ASSERT("/b/c/g;x" == http2::path_join(base, baseq, rel, relq));
918   }
919   {
920     auto rel = StringRef::from_lit("g;x");
921     auto relq = StringRef::from_lit("y");
922     CU_ASSERT("/b/c/g;x?y" == http2::path_join(base, baseq, rel, relq));
923   }
924   {
925     auto rel = StringRef{};
926     auto relq = StringRef{};
927     CU_ASSERT("/b/c/d;p?q" == http2::path_join(base, baseq, rel, relq));
928   }
929   {
930     auto rel = StringRef::from_lit(".");
931     auto relq = StringRef{};
932     CU_ASSERT("/b/c/" == http2::path_join(base, baseq, rel, relq));
933   }
934   {
935     auto rel = StringRef::from_lit("./");
936     auto relq = StringRef{};
937     CU_ASSERT("/b/c/" == http2::path_join(base, baseq, rel, relq));
938   }
939   {
940     auto rel = StringRef::from_lit("..");
941     auto relq = StringRef{};
942     CU_ASSERT("/b/" == http2::path_join(base, baseq, rel, relq));
943   }
944   {
945     auto rel = StringRef::from_lit("../");
946     auto relq = StringRef{};
947     CU_ASSERT("/b/" == http2::path_join(base, baseq, rel, relq));
948   }
949   {
950     auto rel = StringRef::from_lit("../g");
951     auto relq = StringRef{};
952     CU_ASSERT("/b/g" == http2::path_join(base, baseq, rel, relq));
953   }
954   {
955     auto rel = StringRef::from_lit("../..");
956     auto relq = StringRef{};
957     CU_ASSERT("/" == http2::path_join(base, baseq, rel, relq));
958   }
959   {
960     auto rel = StringRef::from_lit("../../");
961     auto relq = StringRef{};
962     CU_ASSERT("/" == http2::path_join(base, baseq, rel, relq));
963   }
964   {
965     auto rel = StringRef::from_lit("../../g");
966     auto relq = StringRef{};
967     CU_ASSERT("/g" == http2::path_join(base, baseq, rel, relq));
968   }
969   {
970     auto rel = StringRef::from_lit("../../../g");
971     auto relq = StringRef{};
972     CU_ASSERT("/g" == http2::path_join(base, baseq, rel, relq));
973   }
974   {
975     auto rel = StringRef::from_lit("../../../../g");
976     auto relq = StringRef{};
977     CU_ASSERT("/g" == http2::path_join(base, baseq, rel, relq));
978   }
979   {
980     auto rel = StringRef::from_lit("/./g");
981     auto relq = StringRef{};
982     CU_ASSERT("/g" == http2::path_join(base, baseq, rel, relq));
983   }
984   {
985     auto rel = StringRef::from_lit("/../g");
986     auto relq = StringRef{};
987     CU_ASSERT("/g" == http2::path_join(base, baseq, rel, relq));
988   }
989   {
990     auto rel = StringRef::from_lit("g.");
991     auto relq = StringRef{};
992     CU_ASSERT("/b/c/g." == http2::path_join(base, baseq, rel, relq));
993   }
994   {
995     auto rel = StringRef::from_lit(".g");
996     auto relq = StringRef{};
997     CU_ASSERT("/b/c/.g" == http2::path_join(base, baseq, rel, relq));
998   }
999   {
1000     auto rel = StringRef::from_lit("g..");
1001     auto relq = StringRef{};
1002     CU_ASSERT("/b/c/g.." == http2::path_join(base, baseq, rel, relq));
1003   }
1004   {
1005     auto rel = StringRef::from_lit("..g");
1006     auto relq = StringRef{};
1007     CU_ASSERT("/b/c/..g" == http2::path_join(base, baseq, rel, relq));
1008   }
1009   {
1010     auto rel = StringRef::from_lit("./../g");
1011     auto relq = StringRef{};
1012     CU_ASSERT("/b/g" == http2::path_join(base, baseq, rel, relq));
1013   }
1014   {
1015     auto rel = StringRef::from_lit("./g/.");
1016     auto relq = StringRef{};
1017     CU_ASSERT("/b/c/g/" == http2::path_join(base, baseq, rel, relq));
1018   }
1019   {
1020     auto rel = StringRef::from_lit("g/./h");
1021     auto relq = StringRef{};
1022     CU_ASSERT("/b/c/g/h" == http2::path_join(base, baseq, rel, relq));
1023   }
1024   {
1025     auto rel = StringRef::from_lit("g/../h");
1026     auto relq = StringRef{};
1027     CU_ASSERT("/b/c/h" == http2::path_join(base, baseq, rel, relq));
1028   }
1029   {
1030     auto rel = StringRef::from_lit("g;x=1/./y");
1031     auto relq = StringRef{};
1032     CU_ASSERT("/b/c/g;x=1/y" == http2::path_join(base, baseq, rel, relq));
1033   }
1034   {
1035     auto rel = StringRef::from_lit("g;x=1/../y");
1036     auto relq = StringRef{};
1037     CU_ASSERT("/b/c/y" == http2::path_join(base, baseq, rel, relq));
1038   }
1039 }
1040 
test_http2_normalize_path(void)1041 void test_http2_normalize_path(void) {
1042   CU_ASSERT("/alpha/charlie" ==
1043             http2::normalize_path(
1044                 StringRef::from_lit("/alpha/bravo/../charlie"), StringRef{}));
1045 
1046   CU_ASSERT("/alpha" ==
1047             http2::normalize_path(StringRef::from_lit("/a%6c%70%68%61"),
1048                                   StringRef{}));
1049 
1050   CU_ASSERT(
1051       "/alpha%2F%3A" ==
1052       http2::normalize_path(StringRef::from_lit("/alpha%2f%3a"), StringRef{}));
1053 
1054   CU_ASSERT("/%2F" ==
1055             http2::normalize_path(StringRef::from_lit("%2f"), StringRef{}));
1056 
1057   CU_ASSERT("/%f" ==
1058             http2::normalize_path(StringRef::from_lit("%f"), StringRef{}));
1059 
1060   CU_ASSERT("/%" ==
1061             http2::normalize_path(StringRef::from_lit("%"), StringRef{}));
1062 
1063   CU_ASSERT("/" == http2::normalize_path(StringRef{}, StringRef{}));
1064 
1065   CU_ASSERT("/alpha?bravo" ==
1066             http2::normalize_path(StringRef::from_lit("/alpha"),
1067                                   StringRef::from_lit("bravo")));
1068 }
1069 
test_http2_rewrite_clean_path(void)1070 void test_http2_rewrite_clean_path(void) {
1071   BlockAllocator balloc(4096, 4096);
1072 
1073   // unreserved characters
1074   CU_ASSERT("/alpha/bravo/" ==
1075             http2::rewrite_clean_path(balloc,
1076                                       StringRef::from_lit("/alpha/%62ravo/")));
1077 
1078   // percent-encoding is converted to upper case.
1079   CU_ASSERT("/delta%3A" == http2::rewrite_clean_path(
1080                                balloc, StringRef::from_lit("/delta%3a")));
1081 
1082   // path component is normalized before matching
1083   CU_ASSERT(
1084       "/alpha/bravo/" ==
1085       http2::rewrite_clean_path(
1086           balloc, StringRef::from_lit("/alpha/charlie/%2e././bravo/delta/..")));
1087 
1088   CU_ASSERT("alpha%3a" ==
1089             http2::rewrite_clean_path(balloc, StringRef::from_lit("alpha%3a")));
1090 
1091   CU_ASSERT("" == http2::rewrite_clean_path(balloc, StringRef{}));
1092 
1093   CU_ASSERT(
1094       "/alpha?bravo" ==
1095       http2::rewrite_clean_path(balloc, StringRef::from_lit("//alpha?bravo")));
1096 }
1097 
test_http2_get_pure_path_component(void)1098 void test_http2_get_pure_path_component(void) {
1099   CU_ASSERT("/" == http2::get_pure_path_component(StringRef::from_lit("/")));
1100 
1101   CU_ASSERT("/foo" ==
1102             http2::get_pure_path_component(StringRef::from_lit("/foo")));
1103 
1104   CU_ASSERT("/bar" == http2::get_pure_path_component(
1105                           StringRef::from_lit("https://example.org/bar")));
1106 
1107   CU_ASSERT("/alpha" == http2::get_pure_path_component(StringRef::from_lit(
1108                             "https://example.org/alpha?q=a")));
1109 
1110   CU_ASSERT("/bravo" == http2::get_pure_path_component(StringRef::from_lit(
1111                             "https://example.org/bravo?q=a#fragment")));
1112 
1113   CU_ASSERT("" ==
1114             http2::get_pure_path_component(StringRef::from_lit("\x01\x02")));
1115 }
1116 
test_http2_construct_push_component(void)1117 void test_http2_construct_push_component(void) {
1118   BlockAllocator balloc(4096, 4096);
1119   StringRef base, uri;
1120   StringRef scheme, authority, path;
1121 
1122   base = StringRef::from_lit("/b/");
1123   uri = StringRef::from_lit("https://example.org/foo");
1124 
1125   CU_ASSERT(0 == http2::construct_push_component(balloc, scheme, authority,
1126                                                  path, base, uri));
1127   CU_ASSERT("https" == scheme);
1128   CU_ASSERT("example.org" == authority);
1129   CU_ASSERT("/foo" == path);
1130 
1131   scheme = StringRef{};
1132   authority = StringRef{};
1133   path = StringRef{};
1134 
1135   uri = StringRef::from_lit("/foo/bar?q=a");
1136 
1137   CU_ASSERT(0 == http2::construct_push_component(balloc, scheme, authority,
1138                                                  path, base, uri));
1139   CU_ASSERT("" == scheme);
1140   CU_ASSERT("" == authority);
1141   CU_ASSERT("/foo/bar?q=a" == path);
1142 
1143   scheme = StringRef{};
1144   authority = StringRef{};
1145   path = StringRef{};
1146 
1147   uri = StringRef::from_lit("foo/../bar?q=a");
1148 
1149   CU_ASSERT(0 == http2::construct_push_component(balloc, scheme, authority,
1150                                                  path, base, uri));
1151   CU_ASSERT("" == scheme);
1152   CU_ASSERT("" == authority);
1153   CU_ASSERT("/b/bar?q=a" == path);
1154 
1155   scheme = StringRef{};
1156   authority = StringRef{};
1157   path = StringRef{};
1158 
1159   uri = StringRef{};
1160 
1161   CU_ASSERT(-1 == http2::construct_push_component(balloc, scheme, authority,
1162                                                   path, base, uri));
1163   scheme = StringRef{};
1164   authority = StringRef{};
1165   path = StringRef{};
1166 
1167   uri = StringRef::from_lit("?q=a");
1168 
1169   CU_ASSERT(0 == http2::construct_push_component(balloc, scheme, authority,
1170                                                  path, base, uri));
1171   CU_ASSERT("" == scheme);
1172   CU_ASSERT("" == authority);
1173   CU_ASSERT("/b/?q=a" == path);
1174 }
1175 
test_http2_contains_trailers(void)1176 void test_http2_contains_trailers(void) {
1177   CU_ASSERT(!http2::contains_trailers(StringRef::from_lit("")));
1178   CU_ASSERT(http2::contains_trailers(StringRef::from_lit("trailers")));
1179   // Match must be case-insensitive.
1180   CU_ASSERT(http2::contains_trailers(StringRef::from_lit("TRAILERS")));
1181   CU_ASSERT(!http2::contains_trailers(StringRef::from_lit("trailer")));
1182   CU_ASSERT(!http2::contains_trailers(StringRef::from_lit("trailers  3")));
1183   CU_ASSERT(http2::contains_trailers(StringRef::from_lit("trailers,")));
1184   CU_ASSERT(http2::contains_trailers(StringRef::from_lit("trailers,foo")));
1185   CU_ASSERT(http2::contains_trailers(StringRef::from_lit("foo,trailers")));
1186   CU_ASSERT(http2::contains_trailers(StringRef::from_lit("foo,trailers,bar")));
1187   CU_ASSERT(
1188       http2::contains_trailers(StringRef::from_lit("foo, trailers ,bar")));
1189   CU_ASSERT(http2::contains_trailers(StringRef::from_lit(",trailers")));
1190 }
1191 
1192 } // namespace shrpx
1193