3.12.0: tests GEOSWKBWriter and WKBWriter fail on s390x

[hjaekel]

On s390x (big endian architecture), the tests for GEOSWKBWriter and WKBWriter fail with geos 3.12.0. Here is the log output of the failure:

147/466 Test #147: unit-capi-GEOSWKBWriter ....................................***Failed    0.01 sec
===============================
  GEOS Unit Test Suite
===============================

capi::GEOSWKBWriter: .[2=F][3=F][4=F].[6=F][7=F][8=F][9=F]

---> group: capi::GEOSWKBWriter, test: test<2>
     problem: assertion failed
     failed assertion: `Values are not equal: expected `010100000000000000000008400000000000002040` actual `000000000140080000000000004020000000000000``

---> group: capi::GEOSWKBWriter, test: test<3>
     problem: assertion failed
     failed assertion: `Values are not equal: expected `0101000020917D000000000000000008400000000000002040` actual `002000000100007D9140080000000000004020000000000000``

---> group: capi::GEOSWKBWriter, test: test<4>
     problem: assertion failed
     failed assertion: `Values are not equal: expected `01010000A0917D0000000000000000084000000000000020400000000000000000` actual `00A000000100007D91400800000000000040200000000000000000000000000000``

---> group: capi::GEOSWKBWriter, test: test<6>
     problem: assertion failed
     failed assertion: `Values are not equal: expected `010100000000000000000008400000000000002040` actual `000000000140080000000000004020000000000000``

---> group: capi::GEOSWKBWriter, test: test<7>
     problem: assertion failed
     failed assertion: `Values are not equal: expected `0101000040000000000000084000000000000020400000000000000040` actual `0040000001400800000000000040200000000000004000000000000000``

---> group: capi::GEOSWKBWriter, test: test<8>
     problem: assertion failed
     failed assertion: `Values are not equal: expected `010100000000000000000008400000000000002040` actual `000000000140080000000000004020000000000000``

---> group: capi::GEOSWKBWriter, test: test<9>
     problem: assertion failed
     failed assertion: `Values are not equal: expected `010100008000000000000008400000000000002040000000000000F03F` actual `0080000001400800000000000040200000000000003FF0000000000000``

tests summary: failures:7 ok:2

216/466 Test #216: unit-io-WKBWriter ..........................................***Failed    0.01 sec
===============================
  GEOS Unit Test Suite
===============================

geos::io::WKBWriter: ..........[11=F][12=F]

---> group: geos::io::WKBWriter, test: test<11>
     problem: assertion failed
     failed assertion: `XYZM ISO: expected `01BA0B000002000000000000000000F03F000000000000004000000000000008400000000000001040000000000000144000000000000018400000000000001C400000000000002040` actual `0000000BBA000000023FF000000000000040000000000000004008000000000000401000000000000040140000000000004018000000000000401C0000000000004020000000000000``

---> group: geos::io::WKBWriter, test: test<12>
     problem: assertion failed
     failed assertion: `XYM ISO: expected `01D207000002000000000000000000F03F00000000000000400000000000000840000000000000104000000000000014400000000000001840` actual `00000007D2000000023FF000000000000040000000000000004008000000000000401000000000000040140000000000004018000000000000``

tests summary: failures:2 ok:10

The same tests are successful on all little endian platforms with 3.12.0.

[hjaekel]

With your patch, one test still fails:

146/466 Test #147: unit-capi-GEOSWKBWriter ....................................***Failed    0.01 sec
===============================
  GEOS Unit Test Suite
===============================
capi::GEOSWKBWriter: [1=F]........
---> group: capi::GEOSWKBWriter, test: test<1>
     problem: assertion failed
     failed assertion: `Values are not equal: expected `0` actual `1``
tests summary: failures:1 ok:8
        Start 154: unit-capi-GEOSisValidReason

[hjaekel]

Thank you, all test are successful now.