| // Copyright 2020 The Pigweed 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 |
| // |
| // https://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 "pw_protobuf/find.h" |
| |
| #include "gtest/gtest.h" |
| |
| namespace pw::protobuf { |
| namespace { |
| |
| // clang-format off |
| constexpr uint8_t encoded_proto[] = { |
| // type=int32, k=1, v=42 |
| 0x08, 0x2a, |
| // type=sint32, k=2, v=-13 |
| 0x10, 0x19, |
| // type=bool, k=3, v=false |
| 0x18, 0x00, |
| // type=double, k=4, v=3.14159 |
| 0x21, 0x6e, 0x86, 0x1b, 0xf0, 0xf9, 0x21, 0x09, 0x40, |
| // type=fixed32, k=5, v=0xdeadbeef |
| 0x2d, 0xef, 0xbe, 0xad, 0xde, |
| // type=string, k=6, v="Hello world" |
| 0x32, 0x0b, 'H', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd', |
| |
| // type=message, k=7, len=2 |
| 0x3a, 0x02, |
| // (nested) type=uint32, k=1, v=3 |
| 0x08, 0x03 |
| }; |
| |
| TEST(FindDecodeHandler, SingleLevel_FindsExistingField) { |
| CallbackDecoder decoder; |
| FindDecodeHandler finder(3); |
| |
| decoder.set_handler(&finder); |
| decoder.Decode(std::as_bytes(std::span(encoded_proto))); |
| |
| EXPECT_TRUE(finder.found()); |
| EXPECT_TRUE(decoder.cancelled()); |
| } |
| |
| TEST(FindDecodeHandler, SingleLevel_DoesntFindNonExistingField) { |
| CallbackDecoder decoder; |
| FindDecodeHandler finder(8); |
| |
| decoder.set_handler(&finder); |
| decoder.Decode(std::as_bytes(std::span(encoded_proto))); |
| |
| EXPECT_FALSE(finder.found()); |
| EXPECT_FALSE(decoder.cancelled()); |
| } |
| |
| TEST(FindDecodeHandler, MultiLevel_FindsExistingNestedField) { |
| CallbackDecoder decoder; |
| FindDecodeHandler nested_finder(1); |
| FindDecodeHandler finder(7, &nested_finder); |
| |
| decoder.set_handler(&finder); |
| decoder.Decode(std::as_bytes(std::span(encoded_proto))); |
| |
| EXPECT_TRUE(finder.found()); |
| EXPECT_TRUE(nested_finder.found()); |
| EXPECT_TRUE(decoder.cancelled()); |
| } |
| |
| TEST(FindDecodeHandler, MultiLevel_DoesntFindNonExistingNestedField) { |
| CallbackDecoder decoder; |
| FindDecodeHandler nested_finder(3); |
| FindDecodeHandler finder(7, &nested_finder); |
| |
| decoder.set_handler(&finder); |
| decoder.Decode(std::as_bytes(std::span(encoded_proto))); |
| |
| EXPECT_TRUE(finder.found()); |
| EXPECT_FALSE(nested_finder.found()); |
| EXPECT_FALSE(decoder.cancelled()); |
| } |
| |
| } // namespace |
| } // namespace pw::protobuf |