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