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 <grpc++/support/byte_buffer.h>
20 #include <grpc/grpc.h>
21 #include <grpc/slice.h>
22 #include <grpcpp/impl/grpc_library.h>
23 #include <grpcpp/support/slice.h>
24 #include <gtest/gtest.h>
25
26 #include <cstring>
27 #include <vector>
28
29 #include "test/core/test_util/test_config.h"
30
31 namespace grpc {
32
33 namespace {
34
35 const char* kContent1 = "hello xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
36 const char* kContent2 = "yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy world";
37
38 class ByteBufferTest : public ::testing::Test {
39 protected:
SetUpTestSuite()40 static void SetUpTestSuite() { grpc_init(); }
41
TearDownTestSuite()42 static void TearDownTestSuite() { grpc_shutdown(); }
43 };
44
TEST_F(ByteBufferTest,CopyCtor)45 TEST_F(ByteBufferTest, CopyCtor) {
46 ByteBuffer buffer1;
47 EXPECT_FALSE(buffer1.Valid());
48 const ByteBuffer& buffer2 = buffer1;
49 EXPECT_FALSE(buffer2.Valid());
50 }
51
TEST_F(ByteBufferTest,CreateFromSingleSlice)52 TEST_F(ByteBufferTest, CreateFromSingleSlice) {
53 Slice s(kContent1);
54 ByteBuffer buffer(&s, 1);
55 EXPECT_EQ(strlen(kContent1), buffer.Length());
56 }
57
TEST_F(ByteBufferTest,CreateFromVector)58 TEST_F(ByteBufferTest, CreateFromVector) {
59 std::vector<Slice> slices;
60 slices.emplace_back(kContent1);
61 slices.emplace_back(kContent2);
62 ByteBuffer buffer(&slices[0], 2);
63 EXPECT_EQ(strlen(kContent1) + strlen(kContent2), buffer.Length());
64 }
65
TEST_F(ByteBufferTest,Clear)66 TEST_F(ByteBufferTest, Clear) {
67 Slice s(kContent1);
68 ByteBuffer buffer(&s, 1);
69 buffer.Clear();
70 EXPECT_EQ(0, buffer.Length());
71 }
72
TEST_F(ByteBufferTest,Length)73 TEST_F(ByteBufferTest, Length) {
74 std::vector<Slice> slices;
75 slices.emplace_back(kContent1);
76 slices.emplace_back(kContent2);
77 ByteBuffer buffer(&slices[0], 2);
78 EXPECT_EQ(strlen(kContent1) + strlen(kContent2), buffer.Length());
79 }
80
SliceEqual(const Slice & a,grpc_slice b)81 bool SliceEqual(const Slice& a, grpc_slice b) {
82 if (a.size() != GRPC_SLICE_LENGTH(b)) {
83 return false;
84 }
85 for (size_t i = 0; i < a.size(); i++) {
86 if (a.begin()[i] != GRPC_SLICE_START_PTR(b)[i]) {
87 return false;
88 }
89 }
90 return true;
91 }
92
TEST_F(ByteBufferTest,Dump)93 TEST_F(ByteBufferTest, Dump) {
94 grpc_slice hello = grpc_slice_from_copied_string(kContent1);
95 grpc_slice world = grpc_slice_from_copied_string(kContent2);
96 std::vector<Slice> slices;
97 slices.push_back(Slice(hello, Slice::STEAL_REF));
98 slices.push_back(Slice(world, Slice::STEAL_REF));
99 ByteBuffer buffer(&slices[0], 2);
100 slices.clear();
101 (void)buffer.Dump(&slices);
102 EXPECT_TRUE(SliceEqual(slices[0], hello));
103 EXPECT_TRUE(SliceEqual(slices[1], world));
104 }
105
TEST_F(ByteBufferTest,SerializationMakesCopy)106 TEST_F(ByteBufferTest, SerializationMakesCopy) {
107 grpc_slice hello = grpc_slice_from_copied_string(kContent1);
108 grpc_slice world = grpc_slice_from_copied_string(kContent2);
109 std::vector<Slice> slices;
110 slices.push_back(Slice(hello, Slice::STEAL_REF));
111 slices.push_back(Slice(world, Slice::STEAL_REF));
112 ByteBuffer send_buffer;
113 bool owned = false;
114 ByteBuffer buffer(&slices[0], 2);
115 slices.clear();
116 auto status =
117 SerializationTraits<ByteBuffer>::Serialize(buffer, &send_buffer, &owned);
118 EXPECT_TRUE(status.ok());
119 EXPECT_TRUE(owned);
120 EXPECT_TRUE(send_buffer.Valid());
121 }
122
TEST_F(ByteBufferTest,TrySingleSliceWithSingleSlice)123 TEST_F(ByteBufferTest, TrySingleSliceWithSingleSlice) {
124 std::vector<Slice> slices;
125 slices.emplace_back(kContent1);
126 ByteBuffer buffer(&slices[0], 1);
127 Slice slice;
128 EXPECT_TRUE(buffer.TrySingleSlice(&slice).ok());
129 EXPECT_EQ(slice.size(), slices[0].size());
130 EXPECT_EQ(memcmp(slice.begin(), slices[0].begin(), slice.size()), 0);
131 }
132
TEST_F(ByteBufferTest,TrySingleSliceWithMultipleSlices)133 TEST_F(ByteBufferTest, TrySingleSliceWithMultipleSlices) {
134 std::vector<Slice> slices;
135 slices.emplace_back(kContent1);
136 slices.emplace_back(kContent2);
137 ByteBuffer buffer(&slices[0], 2);
138 Slice slice;
139 EXPECT_FALSE(buffer.TrySingleSlice(&slice).ok());
140 }
141
TEST_F(ByteBufferTest,DumpToSingleSlice)142 TEST_F(ByteBufferTest, DumpToSingleSlice) {
143 std::vector<Slice> slices;
144 slices.emplace_back(kContent1);
145 slices.emplace_back(kContent2);
146 ByteBuffer buffer(&slices[0], 2);
147 Slice slice;
148 EXPECT_TRUE(buffer.DumpToSingleSlice(&slice).ok());
149 EXPECT_EQ(strlen(kContent1) + strlen(kContent2), slice.size());
150 }
151
152 } // namespace
153 } // namespace grpc
154
main(int argc,char ** argv)155 int main(int argc, char** argv) {
156 grpc::testing::TestEnvironment env(&argc, argv);
157 ::testing::InitGoogleTest(&argc, argv);
158 int ret = RUN_ALL_TESTS();
159 return ret;
160 }
161