modules/tests/src/test/resources/testxml/validate/TestRelateAC.xml

<run>
<precisionModel type="FLOATING"/>

<case>
<desc>AC A-shells overlapping B-shell at A-vertex</desc>
  <a>
    POLYGON(
      (100 60, 140 100, 100 140, 60 100, 100 60))
  </a>
  <b>
    MULTIPOLYGON(
      (
        (80 40, 120 40, 120 80, 80 80, 80 40)), 
      (
        (120 80, 160 80, 160 120, 120 120, 120 80)), 
      (
        (80 120, 120 120, 120 160, 80 160, 80 120)), 
      (
        (40 80, 80 80, 80 120, 40 120, 40 80)))
  </b>
  <test>
    <op name="relate" arg1="A" arg2="B" arg3="21210F212">true</op>
  </test>
  <test><op name="contains"   arg1="A" arg2="B">false</op></test>
  <test><op name="coveredBy"  arg1="A" arg2="B">false</op></test>
  <test><op name="covers"     arg1="A" arg2="B">false</op></test>
  <test><op name="crosses"    arg1="A" arg2="B">false</op></test>
  <test><op name="disjoint"   arg1="A" arg2="B">false</op></test>
  <test><op name="equalsTopo" arg1="A" arg2="B">false</op></test>
  <test><op name="intersects" arg1="A" arg2="B">true</op></test>
  <test><op name="overlaps"   arg1="A" arg2="B">true</op></test>
  <test><op name="touches"    arg1="A" arg2="B">false</op></test>
  <test><op name="within"     arg1="A" arg2="B">false</op></test>
</case>

</run>