cc_bindings_from_rs/test/bridging/bridging_test.cc

// Part of the Crubit project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

#include "gtest/gtest.h"
#include "cc_bindings_from_rs/test/bridging/cc_type.h"
#include "cc_bindings_from_rs/test/bridging/rust_pointer_types.h"
#include "cc_bindings_from_rs/test/bridging/rust_type.h"

namespace crubit {
namespace {

TEST(TypeBridging, StructToStructTest) {
  crubit::test::TheCppType cpp_type = rust_type::create_new(1);

  EXPECT_EQ(rust_type::get_x(cpp_type), 1);
}

TEST(TypeBridging, StructToPointerTest) {
  crubit::test::TheCppType cpp_type = rust_type::create_new(2);

  crubit::test::TheCppType* ptr = rust_pointer_types::pass_through(&cpp_type);
  EXPECT_EQ(ptr, &cpp_type);

  int x = rust_pointer_types::get_x_from_view(&cpp_type);
  EXPECT_EQ(x, 2);
}

TEST(TypeBridging, StructConversionTest) {
  crubit::test::TheCppType cpp_type = rust_type::create_new(1);

  EXPECT_EQ(rust_type::into_something_else(cpp_type).field, 1);
}

TEST(TypeBridging, NestedInTest) {
  std::tuple<crubit::test::TheCppType> cpp_type =
      rust_type::create_in_tuple(37);
  EXPECT_EQ(rust_type::get_x(std::get<0>(cpp_type)), 37);
  EXPECT_EQ(rust_type::get_x_from_tuple(cpp_type), 37);
}

}  // namespace
}  // namespace crubit