Echo Writes Code

test_read.cpp

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#include "crucible/boba/read.hpp"

#include "crucible/testing/expect.inl"
#include "crucible/testing/suite.inl"

#include <cstddef>
#include <vector>

namespace crucible::boba::test_read {
  std::vector<std::byte> const GOOD_DATA {
    std::byte { 'B' }, std::byte { 'O' }, std::byte { 'B' }, std::byte { 'A' },
    std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 },
    std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x02 },
    std::byte { 'C' }, std::byte { 'O' }, std::byte { 'D' }, std::byte { 'E' },
    std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x04 },
    std::byte { 'S' }, std::byte { 'T' }, std::byte { 'A' }, std::byte { 'B' },
    std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x0c },
    std::byte { 0xde }, std::byte { 0xad}, std::byte { 0xbe }, std::byte { 0xef },
    std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x01 },
    std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x04 },
    std::byte { 'c' }, std::byte { 'a' }, std::byte { 'f' }, std::byte { 'e' },
  };

  std::vector<std::byte> const BAD_SIGNATURE_DATA {
    std::byte { 'B' }, std::byte { 'O' }, std::byte { 'B' }, std::byte { 'E' },
  };

  std::vector<std::byte> const BAD_VERSION_DATA {
    std::byte { 'B' }, std::byte { 'O' }, std::byte { 'B' }, std::byte { 'A' },
    std::byte { 0xff }, std::byte { 0xff }, std::byte { 0xff }, std::byte { 0xff },
  };

  std::vector<std::byte> const BAD_HEADER_COUNT_DATA {
    std::byte { 'B' }, std::byte { 'O' }, std::byte { 'B' }, std::byte { 'A' },
    std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 },
    std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x02 },
  };

  std::vector<std::byte> const BAD_HEADER_STRUCTURE_DATA {
    std::byte { 'B' }, std::byte { 'O' }, std::byte { 'B' }, std::byte { 'A' },
    std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 },
    std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x00 }, std::byte { 0x02 },
    std::byte { 'C' }, std::byte { 'O' }, std::byte { 'D' }, std::byte { 'E' },
  };

  SCENARIO(read, from_bytes_success) {
    auto const from_bytes_result { read::from_bytes(GOOD_DATA) };
    EXPECT_RHS(from_bytes_result);

    auto const &container { from_bytes_result.get_rhs() };
    EXPECT_EQ(container.headers.size(), 2);

    {
      auto const &header { container.headers.at(0) };
      EXPECT_EQ(header.signature, 0x434f4445);
      EXPECT_EQ(header.data_size, 4);
    }

    {
      auto const &header { container.headers.at(1) };
      EXPECT_EQ(header.signature, 0x53544142);
      EXPECT_EQ(header.data_size, 12);
    }
  }

  SCENARIO(read, from_bytes_bad_signature) {
    auto const from_bytes_result { read::from_bytes(BAD_SIGNATURE_DATA) };
    EXPECT_LHS(from_bytes_result);
  }

  SCENARIO(read, from_bytes_bad_version) {
    auto const from_bytes_result { read::from_bytes(BAD_VERSION_DATA) };
    EXPECT_LHS(from_bytes_result);
  }

  SCENARIO(read, from_bytes_bad_header_count) {
    auto const from_bytes_result { read::from_bytes(BAD_HEADER_COUNT_DATA) };
    EXPECT_LHS(from_bytes_result);
  }

  SCENARIO(read, from_bytes_bad_header_structure) {
    auto const from_bytes_result { read::from_bytes(BAD_HEADER_STRUCTURE_DATA) };
    EXPECT_LHS(from_bytes_result);
  }
}