| // Copyright 2022 Google LLC |
| // |
| // 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. |
| |
| // Tests of generated code for structures using the `$next` keyword. |
| // Note that `$next` is removed from the IR before it reaches the back end, so |
| // this is really testing that the front end desugared correctly. |
| #include <stdint.h> |
| |
| #include <type_traits> |
| #include <utility> |
| #include <vector> |
| |
| #include "gtest/gtest.h" |
| #include "testdata/next_keyword.emb.h" |
| |
| namespace emboss { |
| namespace test { |
| namespace { |
| |
| // [$default byte_order: "LittleEndian"] |
| // struct NextKeyword: |
| // 0 [+4] UInt value32 |
| // $next [+2] UInt value16 |
| // $next [+1] UInt value8 |
| // $next+3 [+1] UInt value8_offset |
| |
| TEST(NextKeyword, FieldsAreCorrectlyLocated) { |
| ::std::array<char, NextKeyword::IntrinsicSizeInBytes()> values = { |
| 1, 0, 0, 0, |
| 2, 0, |
| 3, |
| 5, 6, 7, 4, |
| }; |
| const auto view = MakeNextKeywordView(&values); |
| EXPECT_TRUE(view.Ok()); |
| EXPECT_EQ(1, view.value32().Read()); |
| EXPECT_EQ(2, view.value16().Read()); |
| EXPECT_EQ(3, view.value8().Read()); |
| EXPECT_EQ(4, view.value8_offset().Read()); |
| } |
| |
| } // namespace |
| } // namespace test |
| } // namespace emboss |