<?xml version="1.0"?>
<!--
  Copyright (C) 2014-2023 Ryan Specialty, LLC.

  This file is part of tame-core.

  tame-core is free software: you can redistribute it and/or modify it
  under the terms of the GNU General Public License as
  published by the Free Software Foundation, either version 3 of the
  License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
-->
<package xmlns="http://www.lovullo.com/rater"
  xmlns:c="http://www.lovullo.com/calc"
  xmlns:t="http://www.lovullo.com/rater/apply-template"
  desc="Vector Folding and Unfolding Specs">

  <import package="../../spec" />

  <import package="../../../base" />
  <import package="../../../vector/fold" />
  <import package="../../../vector/stub" />


  <const name="UNFOLD_VEC_MID_EMPTY" type="integer"
         desc="3-vector with middle unset">
    <item value="1" desc="Set" />
    <item value="0" desc="Unset" />
    <item value="1" desc="Set" />
  </const>

  <t:vector-to-class name="UNFOLD_VEC_MID_EMPTY" as="unfold-mid-empty" />

  <const name="UNFOLD_VEC_3GROUP" type="integer"
         desc="3-grouping for test case"
         values="1,0,2,2,1,2" />

  <!-- given the sequence [0 1 2 3 4 5] -->
  <const name="UNFOLD_VEC_3GROUP_EXPECTED" type="integer"
         desc="Expected result"
         values="1; 0,4; 2,3,5" />


  <const name="UNFOLD_3VEC_ONE_EACH" type="integer"
         desc="3-vector with one in each group">
  </const>


  <t:describe name="_unfold-vector-grouped_">
    <t:it desc="yields a vector whose length is that of the class">
      <t:unfold-vector-grouped class="nclass3"
                               generates="unfoldVecGroupedLenClass"
                               src="NVEC1"
                               grouping="NVEC1" />

      <t:given>
        <c:length-of>
          <c:value-of name="unfoldVecGroupedLenClass" />
        </c:length-of>
      </t:given>

      <t:expect>
        <t:match-result eq="3" />
      </t:expect>
    </t:it>


    <t:it desc="uses grouping vector for grouping">
      <t:unfold-vector-grouped class="nclass3"
                               generates="unfoldVecGrouped"
                               src="NVEC6_SEQ"
                               grouping="UNFOLD_VEC_3GROUP" />

      <!-- TODO: matrix classification matches -->
    </t:it>


    <t:it desc="does not include non-matching groups">
      <t:unfold-vector-grouped class="unfold-mid-empty"
                               generates="unfoldVecGroupedNonClassMatch"
                               src="NVEC3_SEQ"
                               grouping="NVEC3_SEQ" />

      <t:given>
        <c:sum>
          <c:length-of>
            <c:value-of name="unfoldVecGroupedNonClassMatch" index="#0" />
          </c:length-of>
          <c:length-of>
            <c:value-of name="unfoldVecGroupedNonClassMatch" index="#1" />
          </c:length-of>
          <c:length-of>
            <c:value-of name="unfoldVecGroupedNonClassMatch" index="#2" />
          </c:length-of>

          <!-- sum a second time to make sure it's 0 -->
          <c:length-of>
            <c:value-of name="unfoldVecGroupedNonClassMatch" index="#1" />
          </c:length-of>
        </c:sum>
      </t:given>

      <t:expect>
        <t:match-result eq="2" />
      </t:expect>
    </t:it>
  </t:describe>
</package>
