xref: /aosp_15_r20/external/grpc-grpc/test/core/surface/byte_buffer_reader_test.cc (revision cc02d7e222339f7a4f6ba5f422e6413f4bd931f2)
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 <string.h>
20 
21 #include <memory>
22 
23 #include "gtest/gtest.h"
24 
25 #include <grpc/byte_buffer.h>
26 #include <grpc/byte_buffer_reader.h>
27 #include <grpc/compression.h>
28 #include <grpc/grpc.h>
29 #include <grpc/slice.h>
30 #include <grpc/support/log.h>
31 
32 #include "test/core/util/test_config.h"
33 
34 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
35 
TEST(GrpcByteBufferReaderTest,TestReadOneSlice)36 TEST(GrpcByteBufferReaderTest, TestReadOneSlice) {
37   grpc_slice slice;
38   grpc_byte_buffer* buffer;
39   grpc_byte_buffer_reader reader;
40   grpc_slice first_slice, second_slice;
41   int first_code, second_code;
42 
43   LOG_TEST("test_read_one_slice");
44   slice = grpc_slice_from_copied_string("test");
45   buffer = grpc_raw_byte_buffer_create(&slice, 1);
46   grpc_slice_unref(slice);
47   ASSERT_TRUE(grpc_byte_buffer_reader_init(&reader, buffer) &&
48               "Couldn't init byte buffer reader");
49   first_code = grpc_byte_buffer_reader_next(&reader, &first_slice);
50   ASSERT_NE(first_code, 0);
51   ASSERT_EQ(memcmp(GRPC_SLICE_START_PTR(first_slice), "test", 4), 0);
52   grpc_slice_unref(first_slice);
53   second_code = grpc_byte_buffer_reader_next(&reader, &second_slice);
54   ASSERT_EQ(second_code, 0);
55   grpc_byte_buffer_destroy(buffer);
56 }
57 
TEST(GrpcByteBufferReaderTest,TestReadOneSliceMalloc)58 TEST(GrpcByteBufferReaderTest, TestReadOneSliceMalloc) {
59   grpc_slice slice;
60   grpc_byte_buffer* buffer;
61   grpc_byte_buffer_reader reader;
62   grpc_slice first_slice, second_slice;
63   int first_code, second_code;
64 
65   LOG_TEST("test_read_one_slice_malloc");
66   slice = grpc_slice_malloc(4);
67   memcpy(GRPC_SLICE_START_PTR(slice), "test", 4);
68   buffer = grpc_raw_byte_buffer_create(&slice, 1);
69   grpc_slice_unref(slice);
70   ASSERT_TRUE(grpc_byte_buffer_reader_init(&reader, buffer) &&
71               "Couldn't init byte buffer reader");
72   first_code = grpc_byte_buffer_reader_next(&reader, &first_slice);
73   ASSERT_NE(first_code, 0);
74   ASSERT_EQ(memcmp(GRPC_SLICE_START_PTR(first_slice), "test", 4), 0);
75   grpc_slice_unref(first_slice);
76   second_code = grpc_byte_buffer_reader_next(&reader, &second_slice);
77   ASSERT_EQ(second_code, 0);
78   grpc_byte_buffer_destroy(buffer);
79 }
80 
TEST(GrpcByteBufferReaderTest,TestReadNoneCompressedSlice)81 TEST(GrpcByteBufferReaderTest, TestReadNoneCompressedSlice) {
82   grpc_slice slice;
83   grpc_byte_buffer* buffer;
84   grpc_byte_buffer_reader reader;
85   grpc_slice first_slice, second_slice;
86   int first_code, second_code;
87 
88   LOG_TEST("test_read_none_compressed_slice");
89   slice = grpc_slice_from_copied_string("test");
90   buffer = grpc_raw_byte_buffer_create(&slice, 1);
91   grpc_slice_unref(slice);
92   ASSERT_TRUE(grpc_byte_buffer_reader_init(&reader, buffer) &&
93               "Couldn't init byte buffer reader");
94   first_code = grpc_byte_buffer_reader_next(&reader, &first_slice);
95   ASSERT_NE(first_code, 0);
96   ASSERT_EQ(memcmp(GRPC_SLICE_START_PTR(first_slice), "test", 4), 0);
97   grpc_slice_unref(first_slice);
98   second_code = grpc_byte_buffer_reader_next(&reader, &second_slice);
99   ASSERT_EQ(second_code, 0);
100   grpc_byte_buffer_destroy(buffer);
101 }
102 
TEST(GrpcByteBufferReaderTest,TestPeekOneSlice)103 TEST(GrpcByteBufferReaderTest, TestPeekOneSlice) {
104   grpc_slice slice;
105   grpc_byte_buffer* buffer;
106   grpc_byte_buffer_reader reader;
107   grpc_slice* first_slice;
108   grpc_slice* second_slice;
109   int first_code, second_code;
110 
111   LOG_TEST("test_peek_one_slice");
112   slice = grpc_slice_from_copied_string("test");
113   buffer = grpc_raw_byte_buffer_create(&slice, 1);
114   grpc_slice_unref(slice);
115   ASSERT_TRUE(grpc_byte_buffer_reader_init(&reader, buffer) &&
116               "Couldn't init byte buffer reader");
117   first_code = grpc_byte_buffer_reader_peek(&reader, &first_slice);
118   ASSERT_NE(first_code, 0);
119   ASSERT_EQ(memcmp(GRPC_SLICE_START_PTR(*first_slice), "test", 4), 0);
120   second_code = grpc_byte_buffer_reader_peek(&reader, &second_slice);
121   ASSERT_EQ(second_code, 0);
122   grpc_byte_buffer_destroy(buffer);
123 }
124 
TEST(GrpcByteBufferReaderTest,TestPeekOneSliceMalloc)125 TEST(GrpcByteBufferReaderTest, TestPeekOneSliceMalloc) {
126   grpc_slice slice;
127   grpc_byte_buffer* buffer;
128   grpc_byte_buffer_reader reader;
129   grpc_slice* first_slice;
130   grpc_slice* second_slice;
131   int first_code, second_code;
132 
133   LOG_TEST("test_peek_one_slice_malloc");
134   slice = grpc_slice_malloc(4);
135   memcpy(GRPC_SLICE_START_PTR(slice), "test", 4);
136   buffer = grpc_raw_byte_buffer_create(&slice, 1);
137   grpc_slice_unref(slice);
138   ASSERT_TRUE(grpc_byte_buffer_reader_init(&reader, buffer) &&
139               "Couldn't init byte buffer reader");
140   first_code = grpc_byte_buffer_reader_peek(&reader, &first_slice);
141   ASSERT_NE(first_code, 0);
142   ASSERT_EQ(memcmp(GRPC_SLICE_START_PTR(*first_slice), "test", 4), 0);
143   second_code = grpc_byte_buffer_reader_peek(&reader, &second_slice);
144   ASSERT_EQ(second_code, 0);
145   grpc_byte_buffer_destroy(buffer);
146 }
147 
TEST(GrpcByteBufferReaderTest,TestPeekNoneCompressedSlice)148 TEST(GrpcByteBufferReaderTest, TestPeekNoneCompressedSlice) {
149   grpc_slice slice;
150   grpc_byte_buffer* buffer;
151   grpc_byte_buffer_reader reader;
152   grpc_slice* first_slice;
153   grpc_slice* second_slice;
154   int first_code, second_code;
155 
156   LOG_TEST("test_peek_none_compressed_slice");
157   slice = grpc_slice_from_copied_string("test");
158   buffer = grpc_raw_byte_buffer_create(&slice, 1);
159   grpc_slice_unref(slice);
160   ASSERT_TRUE(grpc_byte_buffer_reader_init(&reader, buffer) &&
161               "Couldn't init byte buffer reader");
162   first_code = grpc_byte_buffer_reader_peek(&reader, &first_slice);
163   ASSERT_NE(first_code, 0);
164   ASSERT_EQ(memcmp(GRPC_SLICE_START_PTR(*first_slice), "test", 4), 0);
165   second_code = grpc_byte_buffer_reader_peek(&reader, &second_slice);
166   ASSERT_EQ(second_code, 0);
167   grpc_byte_buffer_destroy(buffer);
168 }
169 
TEST(GrpcByteBufferReaderTest,TestByteBufferFromReader)170 TEST(GrpcByteBufferReaderTest, TestByteBufferFromReader) {
171   grpc_slice slice;
172   grpc_byte_buffer *buffer, *buffer_from_reader;
173   grpc_byte_buffer_reader reader;
174 
175   LOG_TEST("test_byte_buffer_from_reader");
176   slice = grpc_slice_malloc(4);
177   memcpy(GRPC_SLICE_START_PTR(slice), "test", 4);
178   buffer = grpc_raw_byte_buffer_create(&slice, 1);
179   grpc_slice_unref(slice);
180   ASSERT_TRUE(grpc_byte_buffer_reader_init(&reader, buffer) &&
181               "Couldn't init byte buffer reader");
182 
183   buffer_from_reader = grpc_raw_byte_buffer_from_reader(&reader);
184   ASSERT_EQ(buffer->type, buffer_from_reader->type);
185   ASSERT_EQ(buffer_from_reader->data.raw.compression, GRPC_COMPRESS_NONE);
186   ASSERT_EQ(buffer_from_reader->data.raw.slice_buffer.count, 1);
187   ASSERT_EQ(memcmp(GRPC_SLICE_START_PTR(
188                        buffer_from_reader->data.raw.slice_buffer.slices[0]),
189                    "test", 4),
190             0);
191 
192   grpc_byte_buffer_destroy(buffer);
193   grpc_byte_buffer_destroy(buffer_from_reader);
194 }
195 
TEST(GrpcByteBufferReaderTest,TestReadall)196 TEST(GrpcByteBufferReaderTest, TestReadall) {
197   char* lotsa_as[512];
198   char* lotsa_bs[1024];
199   grpc_slice slices[2];
200   grpc_byte_buffer* buffer;
201   grpc_byte_buffer_reader reader;
202   grpc_slice slice_out;
203 
204   LOG_TEST("test_readall");
205 
206   memset(lotsa_as, 'a', 512 * sizeof(lotsa_as[0]));
207   memset(lotsa_bs, 'b', 1024 * sizeof(lotsa_bs[0]));
208   // use slices large enough to overflow inlining
209   slices[0] = grpc_slice_malloc(512);
210   memcpy(GRPC_SLICE_START_PTR(slices[0]), lotsa_as, 512);
211   slices[1] = grpc_slice_malloc(1024);
212   memcpy(GRPC_SLICE_START_PTR(slices[1]), lotsa_bs, 1024);
213 
214   buffer = grpc_raw_byte_buffer_create(slices, 2);
215   grpc_slice_unref(slices[0]);
216   grpc_slice_unref(slices[1]);
217 
218   ASSERT_TRUE(grpc_byte_buffer_reader_init(&reader, buffer) &&
219               "Couldn't init byte buffer reader");
220   slice_out = grpc_byte_buffer_reader_readall(&reader);
221 
222   ASSERT_EQ(GRPC_SLICE_LENGTH(slice_out), 512 + 1024);
223   ASSERT_EQ(memcmp(GRPC_SLICE_START_PTR(slice_out), lotsa_as, 512), 0);
224   ASSERT_EQ(memcmp(&(GRPC_SLICE_START_PTR(slice_out)[512]), lotsa_bs, 1024), 0);
225   grpc_slice_unref(slice_out);
226   grpc_byte_buffer_destroy(buffer);
227 }
228 
TEST(GrpcByteBufferReaderTest,TestByteBufferCopy)229 TEST(GrpcByteBufferReaderTest, TestByteBufferCopy) {
230   char* lotsa_as[512];
231   char* lotsa_bs[1024];
232   grpc_slice slices[2];
233   grpc_byte_buffer* buffer;
234   grpc_byte_buffer* copied_buffer;
235   grpc_byte_buffer_reader reader;
236   grpc_slice slice_out;
237 
238   LOG_TEST("test_byte_buffer_copy");
239 
240   memset(lotsa_as, 'a', 512 * sizeof(lotsa_as[0]));
241   memset(lotsa_bs, 'b', 1024 * sizeof(lotsa_bs[0]));
242   // use slices large enough to overflow inlining
243   slices[0] = grpc_slice_malloc(512);
244   memcpy(GRPC_SLICE_START_PTR(slices[0]), lotsa_as, 512);
245   slices[1] = grpc_slice_malloc(1024);
246   memcpy(GRPC_SLICE_START_PTR(slices[1]), lotsa_bs, 1024);
247 
248   buffer = grpc_raw_byte_buffer_create(slices, 2);
249   grpc_slice_unref(slices[0]);
250   grpc_slice_unref(slices[1]);
251   copied_buffer = grpc_byte_buffer_copy(buffer);
252 
253   ASSERT_TRUE(grpc_byte_buffer_reader_init(&reader, buffer) &&
254               "Couldn't init byte buffer reader");
255   slice_out = grpc_byte_buffer_reader_readall(&reader);
256 
257   ASSERT_EQ(GRPC_SLICE_LENGTH(slice_out), 512 + 1024);
258   ASSERT_EQ(memcmp(GRPC_SLICE_START_PTR(slice_out), lotsa_as, 512), 0);
259   ASSERT_EQ(memcmp(&(GRPC_SLICE_START_PTR(slice_out)[512]), lotsa_bs, 1024), 0);
260   grpc_slice_unref(slice_out);
261   grpc_byte_buffer_destroy(buffer);
262   grpc_byte_buffer_destroy(copied_buffer);
263 }
264 
main(int argc,char ** argv)265 int main(int argc, char** argv) {
266   grpc::testing::TestEnvironment env(&argc, argv);
267   ::testing::InitGoogleTest(&argc, argv);
268   grpc::testing::TestGrpcScope grpc_scope;
269   return RUN_ALL_TESTS();
270 }
271