| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include <grpcpp/support/string_ref.h> |
| |
| #include <string.h> |
| |
| #include <gtest/gtest.h> |
| |
| namespace grpc { |
| namespace { |
| |
| const char kTestString[] = "blah"; |
| const char kTestStringWithEmbeddedNull[] = "blah\0foo"; |
| const size_t kTestStringWithEmbeddedNullLength = 8; |
| const char kTestUnrelatedString[] = "foo"; |
| |
| class StringRefTest : public ::testing::Test {}; |
| |
| TEST_F(StringRefTest, Empty) { |
| string_ref s; |
| EXPECT_EQ(0U, s.length()); |
| EXPECT_EQ(nullptr, s.data()); |
| } |
| |
| TEST_F(StringRefTest, FromCString) { |
| string_ref s(kTestString); |
| EXPECT_EQ(strlen(kTestString), s.length()); |
| EXPECT_EQ(kTestString, s.data()); |
| } |
| |
| TEST_F(StringRefTest, FromCStringWithLength) { |
| string_ref s(kTestString, 2); |
| EXPECT_EQ(2U, s.length()); |
| EXPECT_EQ(kTestString, s.data()); |
| } |
| |
| TEST_F(StringRefTest, FromString) { |
| string copy(kTestString); |
| string_ref s(copy); |
| EXPECT_EQ(copy.data(), s.data()); |
| EXPECT_EQ(copy.length(), s.length()); |
| } |
| |
| TEST_F(StringRefTest, CopyConstructor) { |
| string_ref s1(kTestString); |
| ; |
| string_ref s2(s1); |
| EXPECT_EQ(s1.length(), s2.length()); |
| EXPECT_EQ(s1.data(), s2.data()); |
| } |
| |
| TEST_F(StringRefTest, FromStringWithEmbeddedNull) { |
| string copy(kTestStringWithEmbeddedNull, kTestStringWithEmbeddedNullLength); |
| string_ref s(copy); |
| EXPECT_EQ(copy.data(), s.data()); |
| EXPECT_EQ(copy.length(), s.length()); |
| EXPECT_EQ(kTestStringWithEmbeddedNullLength, s.length()); |
| } |
| |
| TEST_F(StringRefTest, Assignment) { |
| string_ref s1(kTestString); |
| ; |
| string_ref s2; |
| EXPECT_EQ(nullptr, s2.data()); |
| s2 = s1; |
| EXPECT_EQ(s1.length(), s2.length()); |
| EXPECT_EQ(s1.data(), s2.data()); |
| } |
| |
| TEST_F(StringRefTest, Iterator) { |
| string_ref s(kTestString); |
| size_t i = 0; |
| for (auto it = s.cbegin(); it != s.cend(); ++it) { |
| auto val = kTestString[i++]; |
| EXPECT_EQ(val, *it); |
| } |
| EXPECT_EQ(strlen(kTestString), i); |
| } |
| |
| TEST_F(StringRefTest, ReverseIterator) { |
| string_ref s(kTestString); |
| size_t i = strlen(kTestString); |
| for (auto rit = s.crbegin(); rit != s.crend(); ++rit) { |
| auto val = kTestString[--i]; |
| EXPECT_EQ(val, *rit); |
| } |
| EXPECT_EQ(0U, i); |
| } |
| |
| TEST_F(StringRefTest, Capacity) { |
| string_ref empty; |
| EXPECT_EQ(0U, empty.length()); |
| EXPECT_EQ(0U, empty.size()); |
| EXPECT_EQ(0U, empty.max_size()); |
| EXPECT_TRUE(empty.empty()); |
| |
| string_ref s(kTestString); |
| EXPECT_EQ(strlen(kTestString), s.length()); |
| EXPECT_EQ(s.length(), s.size()); |
| EXPECT_EQ(s.max_size(), s.length()); |
| EXPECT_FALSE(s.empty()); |
| } |
| |
| TEST_F(StringRefTest, Compare) { |
| string_ref s1(kTestString); |
| string s1_copy(kTestString); |
| string_ref s2(kTestUnrelatedString); |
| string_ref s3(kTestStringWithEmbeddedNull, kTestStringWithEmbeddedNullLength); |
| EXPECT_EQ(0, s1.compare(s1_copy)); |
| EXPECT_NE(0, s1.compare(s2)); |
| EXPECT_NE(0, s1.compare(s3)); |
| } |
| |
| TEST_F(StringRefTest, StartsWith) { |
| string_ref s1(kTestString); |
| string_ref s2(kTestUnrelatedString); |
| string_ref s3(kTestStringWithEmbeddedNull, kTestStringWithEmbeddedNullLength); |
| EXPECT_TRUE(s1.starts_with(s1)); |
| EXPECT_FALSE(s1.starts_with(s2)); |
| EXPECT_FALSE(s2.starts_with(s1)); |
| EXPECT_FALSE(s1.starts_with(s3)); |
| EXPECT_TRUE(s3.starts_with(s1)); |
| } |
| |
| TEST_F(StringRefTest, Endswith) { |
| string_ref s1(kTestString); |
| string_ref s2(kTestUnrelatedString); |
| string_ref s3(kTestStringWithEmbeddedNull, kTestStringWithEmbeddedNullLength); |
| EXPECT_TRUE(s1.ends_with(s1)); |
| EXPECT_FALSE(s1.ends_with(s2)); |
| EXPECT_FALSE(s2.ends_with(s1)); |
| EXPECT_FALSE(s2.ends_with(s3)); |
| EXPECT_TRUE(s3.ends_with(s2)); |
| } |
| |
| TEST_F(StringRefTest, Find) { |
| string_ref s1(kTestString); |
| string_ref s2(kTestUnrelatedString); |
| string_ref s3(kTestStringWithEmbeddedNull, kTestStringWithEmbeddedNullLength); |
| EXPECT_EQ(0U, s1.find(s1)); |
| EXPECT_EQ(0U, s2.find(s2)); |
| EXPECT_EQ(0U, s3.find(s3)); |
| EXPECT_EQ(string_ref::npos, s1.find(s2)); |
| EXPECT_EQ(string_ref::npos, s2.find(s1)); |
| EXPECT_EQ(string_ref::npos, s1.find(s3)); |
| EXPECT_EQ(0U, s3.find(s1)); |
| EXPECT_EQ(5U, s3.find(s2)); |
| EXPECT_EQ(string_ref::npos, s1.find('z')); |
| EXPECT_EQ(1U, s2.find('o')); |
| } |
| |
| TEST_F(StringRefTest, SubString) { |
| string_ref s(kTestStringWithEmbeddedNull, kTestStringWithEmbeddedNullLength); |
| string_ref sub1 = s.substr(0, 4); |
| EXPECT_EQ(string_ref(kTestString), sub1); |
| string_ref sub2 = s.substr(5); |
| EXPECT_EQ(string_ref(kTestUnrelatedString), sub2); |
| } |
| |
| TEST_F(StringRefTest, ComparisonOperators) { |
| string_ref s1(kTestString); |
| string_ref s2(kTestUnrelatedString); |
| string_ref s3(kTestStringWithEmbeddedNull, kTestStringWithEmbeddedNullLength); |
| EXPECT_EQ(s1, s1); |
| EXPECT_EQ(s2, s2); |
| EXPECT_EQ(s3, s3); |
| EXPECT_GE(s1, s1); |
| EXPECT_GE(s2, s2); |
| EXPECT_GE(s3, s3); |
| EXPECT_LE(s1, s1); |
| EXPECT_LE(s2, s2); |
| EXPECT_LE(s3, s3); |
| EXPECT_NE(s1, s2); |
| EXPECT_NE(s1, s3); |
| EXPECT_NE(s2, s3); |
| EXPECT_GT(s3, s1); |
| EXPECT_LT(s1, s3); |
| } |
| |
| } // namespace |
| } // namespace grpc |
| |
| int main(int argc, char** argv) { |
| ::testing::InitGoogleTest(&argc, argv); |
| return RUN_ALL_TESTS(); |
| } |