52 lines
1.8 KiB
CMake
52 lines
1.8 KiB
CMake
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# CLI round-trip test for files larger than the 64KB sliding window.
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# Regression test for the window-edge bugs fixed 2026-06-11 (git-bug
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# d747658): linear chunk loads crossing the circular-buffer edge
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# corrupted archives at every level, and the rANS decoder could not
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# flush more than one window of output. Content must be varied, not
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# uniform: all-zeros hides reordering corruption.
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file(REMOVE_RECURSE "${TEST_DIR}")
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file(MAKE_DIRECTORY "${TEST_DIR}/input")
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# ~200KB of deterministic varied text (seeded string(RANDOM)), with a
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# compressible refrain so both literal and match paths are exercised.
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set(BIG "")
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foreach(i RANGE 1 180)
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string(RANDOM LENGTH 1024 RANDOM_SEED ${i} CHUNK)
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string(APPEND BIG "${CHUNK}\nThe quick brown fox jumps over the lazy dog ${i}\n")
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endforeach()
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file(WRITE "${TEST_DIR}/input/bigfile.txt" "${BIG}")
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foreach(LEVEL 5 6)
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set(WORK "${TEST_DIR}/L${LEVEL}")
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file(MAKE_DIRECTORY "${WORK}/output")
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execute_process(
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COMMAND "${UC2_CLI}" -q -w -L ${LEVEL} "${WORK}/big.uc2"
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"${TEST_DIR}/input/bigfile.txt"
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RESULT_VARIABLE RC
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)
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if(NOT RC EQUAL 0)
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message(FATAL_ERROR "uc2 -w -L ${LEVEL} failed: ${RC}")
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endif()
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execute_process(
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COMMAND "${UC2_CLI}" -q -d "${WORK}/output" "${WORK}/big.uc2"
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RESULT_VARIABLE RC
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)
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if(NOT RC EQUAL 0)
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message(FATAL_ERROR "uc2 -d failed at -L ${LEVEL}: ${RC}")
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endif()
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execute_process(
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COMMAND "${CMAKE_COMMAND}" -E compare_files
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"${TEST_DIR}/input/bigfile.txt" "${WORK}/output/bigfile.txt"
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RESULT_VARIABLE RC
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)
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if(NOT RC EQUAL 0)
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message(FATAL_ERROR "bigfile round-trip mismatch at -L ${LEVEL}")
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endif()
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message(STATUS "bigfile round-trip OK at -L ${LEVEL}")
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endforeach()
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