# Version of AllTypes test case for protobuf 3 file format.

Import("env")

import re
match = None
if 'PROTOC_VERSION' in env:
    match = re.search('([0-9]+).([0-9]+).([0-9]+)', env['PROTOC_VERSION'])

if match:
    version = map(int, match.groups())

# proto3 syntax is supported by protoc >= 3.0.0
if env.GetOption('clean') or (match and version[0] >= 3):

    env.NanopbProto(["alltypes", "alltypes.options"])
    enc = env.Program(["encode_alltypes.c", "alltypes.pb.c", "$COMMON/pb_encode.o", "$COMMON/pb_common.o"])
    dec = env.Program(["decode_alltypes.c", "alltypes.pb.c", "$COMMON/pb_decode.o", "$COMMON/pb_common.o"])

    # Test the round-trip from nanopb encoder to nanopb decoder
    env.RunTest(enc)
    env.RunTest([dec, "encode_alltypes.output"])

    # Re-encode the data using protoc, and check that the results from nanopb
    # match byte-per-byte to the protoc output.
    env.Decode("encode_alltypes.output.decoded",
               ["encode_alltypes.output", "alltypes.proto"],
               MESSAGE='AllTypes')
    env.Encode("encode_alltypes.output.recoded",
               ["encode_alltypes.output.decoded", "alltypes.proto"],
               MESSAGE='AllTypes')
    env.Compare(["encode_alltypes.output", "encode_alltypes.output.recoded"])

    # Do the same checks with the optional fields present.
    env.RunTest("optionals.output", enc, ARGS = ['1'])
    env.RunTest("optionals.decout", [dec, "optionals.output"], ARGS = ['1'])
    env.Decode("optionals.output.decoded",
               ["optionals.output", "alltypes.proto"],
               MESSAGE='AllTypes')
    env.Encode("optionals.output.recoded",
               ["optionals.output.decoded", "alltypes.proto"],
               MESSAGE='AllTypes')
    env.Compare(["optionals.output", "optionals.output.recoded"])