1 //
2 //
3 // Copyright 2015 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 //
18
19 #include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
20
21 #include <string.h>
22
23 #include <memory>
24
25 #include <gtest/gtest.h>
26
27 #include <grpc/grpc.h>
28 #include <grpc/support/alloc.h>
29 #include <grpc/support/log.h>
30
31 #include "src/core/lib/gpr/string.h"
32 #include "src/core/lib/slice/slice_string_helpers.h"
33 #include "test/core/util/test_config.h"
34
35 static int all_ok = 1;
36
expect_slice_eq(grpc_slice expected,grpc_slice slice,const char * debug,int line)37 static void expect_slice_eq(grpc_slice expected, grpc_slice slice,
38 const char* debug, int line) {
39 if (!grpc_slice_eq(slice, expected)) {
40 char* hs = grpc_dump_slice(slice, GPR_DUMP_HEX | GPR_DUMP_ASCII);
41 char* he = grpc_dump_slice(expected, GPR_DUMP_HEX | GPR_DUMP_ASCII);
42 gpr_log(GPR_ERROR, "FAILED:%d: %s\ngot: %s\nwant: %s", line, debug, hs,
43 he);
44 gpr_free(hs);
45 gpr_free(he);
46 all_ok = 0;
47 }
48 grpc_slice_unref(expected);
49 grpc_slice_unref(slice);
50 }
51
B64(const char * s)52 static grpc_slice B64(const char* s) {
53 grpc_slice ss = grpc_slice_from_copied_string(s);
54 grpc_slice out = grpc_chttp2_base64_encode(ss);
55 grpc_slice_unref(ss);
56 return out;
57 }
58
HUFF(const char * s)59 static grpc_slice HUFF(const char* s) {
60 grpc_slice ss = grpc_slice_from_copied_string(s);
61 grpc_slice out = grpc_chttp2_huffman_compress(ss);
62 grpc_slice_unref(ss);
63 return out;
64 }
65
66 #define EXPECT_SLICE_EQ(expected, slice) \
67 expect_slice_eq( \
68 grpc_slice_from_copied_buffer(expected, sizeof(expected) - 1), slice, \
69 #slice, __LINE__);
70
expect_combined_equiv(const char * s,size_t len,int line)71 static void expect_combined_equiv(const char* s, size_t len, int line) {
72 grpc_slice input = grpc_slice_from_copied_buffer(s, len);
73 grpc_slice base64 = grpc_chttp2_base64_encode(input);
74 grpc_slice expect = grpc_chttp2_huffman_compress(base64);
75 uint32_t wire_size;
76 grpc_slice got =
77 grpc_chttp2_base64_encode_and_huffman_compress(input, &wire_size);
78 if (!grpc_slice_eq(expect, got)) {
79 char* t = grpc_dump_slice(input, GPR_DUMP_HEX | GPR_DUMP_ASCII);
80 char* e = grpc_dump_slice(expect, GPR_DUMP_HEX | GPR_DUMP_ASCII);
81 char* g = grpc_dump_slice(got, GPR_DUMP_HEX | GPR_DUMP_ASCII);
82 gpr_log(GPR_ERROR, "FAILED:%d:\ntest: %s\ngot: %s\nwant: %s", line, t, g,
83 e);
84 gpr_free(t);
85 gpr_free(e);
86 gpr_free(g);
87 all_ok = 0;
88 }
89 grpc_slice_unref(input);
90 grpc_slice_unref(base64);
91 grpc_slice_unref(expect);
92 grpc_slice_unref(got);
93 }
94
95 #define EXPECT_COMBINED_EQUIV(x) \
96 expect_combined_equiv(x, sizeof(x) - 1, __LINE__)
97
expect_binary_header(const char * hdr,int binary)98 static void expect_binary_header(const char* hdr, int binary) {
99 if (grpc_is_binary_header(grpc_slice_from_static_string(hdr)) != binary) {
100 gpr_log(GPR_ERROR, "FAILED: expected header '%s' to be %s", hdr,
101 binary ? "binary" : "not binary");
102 all_ok = 0;
103 }
104 }
105
TEST(BinEncoderTest,MainTest)106 TEST(BinEncoderTest, MainTest) {
107 // Base64 test vectors from RFC 4648, with padding removed
108 // BASE64("") = ""
109 EXPECT_SLICE_EQ("", B64(""));
110 // BASE64("f") = "Zg"
111 EXPECT_SLICE_EQ("Zg", B64("f"));
112 // BASE64("fo") = "Zm8"
113 EXPECT_SLICE_EQ("Zm8", B64("fo"));
114 // BASE64("foo") = "Zm9v"
115 EXPECT_SLICE_EQ("Zm9v", B64("foo"));
116 // BASE64("foob") = "Zm9vYg"
117 EXPECT_SLICE_EQ("Zm9vYg", B64("foob"));
118 // BASE64("fooba") = "Zm9vYmE"
119 EXPECT_SLICE_EQ("Zm9vYmE", B64("fooba"));
120 // BASE64("foobar") = "Zm9vYmFy"
121 EXPECT_SLICE_EQ("Zm9vYmFy", B64("foobar"));
122
123 EXPECT_SLICE_EQ("wMHCw8TF", B64("\xc0\xc1\xc2\xc3\xc4\xc5"));
124
125 // Huffman encoding tests
126 EXPECT_SLICE_EQ("\xf1\xe3\xc2\xe5\xf2\x3a\x6b\xa0\xab\x90\xf4\xff",
127 HUFF("www.example.com"));
128 EXPECT_SLICE_EQ("\xa8\xeb\x10\x64\x9c\xbf", HUFF("no-cache"));
129 EXPECT_SLICE_EQ("\x25\xa8\x49\xe9\x5b\xa9\x7d\x7f", HUFF("custom-key"));
130 EXPECT_SLICE_EQ("\x25\xa8\x49\xe9\x5b\xb8\xe8\xb4\xbf", HUFF("custom-value"));
131 EXPECT_SLICE_EQ("\xae\xc3\x77\x1a\x4b", HUFF("private"));
132 EXPECT_SLICE_EQ(
133 "\xd0\x7a\xbe\x94\x10\x54\xd4\x44\xa8\x20\x05\x95\x04\x0b\x81\x66\xe0\x82"
134 "\xa6\x2d\x1b\xff",
135 HUFF("Mon, 21 Oct 2013 20:13:21 GMT"));
136 EXPECT_SLICE_EQ(
137 "\x9d\x29\xad\x17\x18\x63\xc7\x8f\x0b\x97\xc8\xe9\xae\x82\xae\x43\xd3",
138 HUFF("https://www.example.com"));
139
140 // Various test vectors for combined encoding
141 EXPECT_COMBINED_EQUIV("");
142 EXPECT_COMBINED_EQUIV("f");
143 EXPECT_COMBINED_EQUIV("fo");
144 EXPECT_COMBINED_EQUIV("foo");
145 EXPECT_COMBINED_EQUIV("foob");
146 EXPECT_COMBINED_EQUIV("fooba");
147 EXPECT_COMBINED_EQUIV("foobar");
148 EXPECT_COMBINED_EQUIV("www.example.com");
149 EXPECT_COMBINED_EQUIV("no-cache");
150 EXPECT_COMBINED_EQUIV("custom-key");
151 EXPECT_COMBINED_EQUIV("custom-value");
152 EXPECT_COMBINED_EQUIV("private");
153 EXPECT_COMBINED_EQUIV("Mon, 21 Oct 2013 20:13:21 GMT");
154 EXPECT_COMBINED_EQUIV("https://www.example.com");
155 EXPECT_COMBINED_EQUIV(
156 "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
157 "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"
158 "\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f"
159 "\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b\x3c\x3d\x3e\x3f"
160 "\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f"
161 "\x50\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5a\x5b\x5c\x5d\x5e\x5f"
162 "\x60\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6a\x6b\x6c\x6d\x6e\x6f"
163 "\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7a\x7b\x7c\x7d\x7e\x7f"
164 "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"
165 "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"
166 "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf"
167 "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf"
168 "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf"
169 "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf"
170 "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef"
171 "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff");
172
173 expect_binary_header("foo-bin", 1);
174 expect_binary_header("foo-bar", 0);
175 expect_binary_header("-bin", 0);
176 }
177
main(int argc,char ** argv)178 int main(int argc, char** argv) {
179 grpc::testing::TestEnvironment env(&argc, argv);
180 ::testing::InitGoogleTest(&argc, argv);
181 grpc::testing::TestGrpcScope grpc_scope;
182 return RUN_ALL_TESTS();
183 }
184