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When the 'maps' option is given, the SEQUENCE and SET types are
represented as maps instead of as records. Optional and default values
must be not be given as asn1_NOVALUE or asn1_DEFAULT in a map passed
to the M:encode/2 function; they must be omitted from the
map. Similarly, when decoding missing values will be omitted from the
map.
No .hrl files will be generated when the 'maps' options is used.
That means values in an ASN.1 module must be retrieved by calling the
appropriate function in generated module.
Since we one day hope to get rid of the options 'compact_bit_string',
'legacy_bit_string', and 'legacy_erlang_types', we will not allow them
to be combined with the 'maps' option.
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* henrik/update-copyrightyear:
update copyright-year
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As a first step to removing the test_server application as
as its own separate application, change the inclusion of
test_server.hrl to an inclusion of ct.hrl and remove the
inclusion of test_server_line.hrl.
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Missed to add seqtag handling for EXTERNAL type conversion,
bug introduced in c266196c016fc1156c7a18cfeec4920ee4075519
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The asn1_wrapper made some sense when encode functions
could either produce a list or a binary, depending on the
backend. Now encode functions always produce a binary.
To improve readbility of the test suites, eliminate the asn1_wrapper
functions by replacing them with calls to one of the roundtrip
functions in asn1_test_lib. When it is not possible to use
the roundtrip functions, call the module in question directly.
While at it, also remove ?line macros that are near to the
touched code and use asn1_test_lib:hex_to_bin/1 instead of
home-brewn hex conversion routines.
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There are two different definitions of the EXTERNAL data type in ASN.1:
the original from 1990 and an updated from 1994. Both defintions
are encoded in the same way (in BER). There are still
systems in use that use the old definition of EXTERNAL, so the
asn1 application must still support both.
It has been decided that the asn1 application should handle both
the forms without any compiler options. Internally the asn1 application
uses the 1990 definition. The encode functions will accept both
definitions, but translate the 1994 format to the 1990 format
if needed. When decoding, it will decode to the 1990 definition format
first and then translate to the 1994 defintion format.
One problem with this approach is that the conversion to the 1994
format may not be loss-less (where the 1990 defintion had a CHOICE
between an OPEN TYPE, OCTET STRING, or BIT STRING, the 1994 definition
only supports an OCTET STRING), and therefore it might not be possible
to correctly re-encode the data in the 1990 format.
It seems that the only reliable way to handle that problem is to not
do the conversion to the 1994 format if the conversion is not
loss-less. (There is an attempt when translating to the 1990 format
to recover the CHOICE alternative based on the Erlang type of
the data value, but that is neither reliable nor future-proof.)
That is, when decoding an EXTERNAL value, the resulting
tuple could either conform to the 1990 or 1994 definition, and
applications must be prepared to handle that.
The mail conversation where this issue was first reported can be
found here:
http://erlang.org/pipermail/erlang-questions/2011-April/057697.html
Reported-by: Harald Welte <[email protected]>
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- Refactor and clean up asn1_db process
- Remove unused stop function in asn1ct.erl
- Remove infinite loop possibilites in asn1ct_check.erl
- test/1,2,3 now run in separate process
- Update documentation for new test options
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* bg/asn1-tests:
asn1 tests: Let ts:run() build the tests
asn1 tests: No longer tolerate compilation warnings
asn1 tests: Eliminate use of deprecated concat_binary/1
asn1 tests: Eliminate warning for an unused variable
asn1 tests: Modernize guard tests
asn1 tests: Clean up comments
asn1 tests: Don't refer to $ERL_TOP in compiler options
OTP-8520 bg/asn1-tests
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On Windows, $ERL_TOP contains a cygwin-style pathname
that can be used in Makefiles to (for instance) include
other Makefiles, but must not be passed to non-cygwin programs
such as "erlc". Therefore, using compiler options such as
"-I $(ERL_TOP)/lib/test_server/include" will not work on
Windows.
Fix this problem by include "test_server.hrl" using
-include_lib() instead of -include(). That works because
-include_lib() searches for include files in the code path
without the need for any -I options.
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added.
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