iXML Community Group Test Suite

23 Oct 2023 (22 Nov 2023)

Top-level catalog for tests in the iXML Community Group Test Suite.

Tests have been contributed from several sources, but the core of the test collection are the tests contributed by Steven Pemberton in December 2021.

Misc tests 3

28 Jun 2022

Grammars 41-60.

Tests compiled manually in 2018 and 2019, re-packaged and extended (supplying test cases where needed) in 2022.

Note that some tests have alternate results for processors operating in non-standard modes, in particular modes in which they tolerate multiple definitions and undefined nonterminals or in which they do not tolerate non-productive nonterminals or unreachable nonterminals.

For a description of the form in which alternate results are recorded, see tests/misc-grammar/test-catalog.xml.


Created 08 Feb 2022 by cmsmcq

Grammar for an inherently ambiguous language.

Invisible XML Grammar

{ Sample grammar from Dick Grune and Ceriel J. H. Jacobs,
    Parsing techniques: A practical guide (New York: Ellis Horwood, 1990;
    second edition New York:  Springer, 2008), p. 49 (2e).

    "Grammar for an inherently ambiguous language"

    The language consists of all sequences a^m + b^n + c^n
    unioned with a^p + b^p + c^q.

    { Revisions:
    2018-08-10 : CMSMcQ : made first transcription.

    S: A, B; D, C.
    A: "a"; "a", A.
    B: "b", "c"; "b", B, "c".
    D: "a", "b"; "a", D, "b".
    C: "c"; "c", C.

    { sample grammar 60 is a recasting of this in idiomatic EBNF. }

Test case: g59.c06

Repository URI: …/tests/misc/misc-041-060-catalog.xml

Input string (10 characters)


Expected result

<S xmlns:ap="http://blackmesatech.com/2019/iXML/Aparecium"