Add Brotli Test Files

.gitignore

@@ -1,3 +1,3 @@
-
+.vs/
 build/
 build/CPotree.sln

libs/brotli/tests/Makefile

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+#brotli/tests
+
+BROTLI = ..
+
+all: test
+
+test: deps
+	./compatibility_test.sh
+	./roundtrip_test.sh
+
+deps :
+	$(MAKE) -C $(BROTLI) brotli
+
+clean :
+	rm -f testdata/*.{br,unbr,uncompressed}
+	rm -f $(BROTLI)/{enc,dec,tools}/*.{un,}br
+	$(MAKE) -C $(BROTLI)/tools clean

libs/brotli/tests/compatibility_test.sh

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+#!/usr/bin/env bash
+#
+# Test that the brotli command-line tool can decompress old brotli-compressed
+# files.
+#
+# The first argument may be a wrapper for brotli, such as 'qemu-arm'.
+
+set -o errexit
+
+BROTLI_WRAPPER=$1
+BROTLI="${BROTLI_WRAPPER} bin/brotli"
+TMP_DIR=bin/tmp
+
+for file in tests/testdata/*.compressed*; do
+  echo "Testing decompression of file $file"
+  expected=${file%.compressed*}
+  uncompressed=${TMP_DIR}/${expected##*/}.uncompressed
+  echo $uncompressed
+  $BROTLI $file -fdo $uncompressed
+  diff -q $uncompressed $expected
+  # Test the streaming version
+  cat $file | $BROTLI -dc > $uncompressed
+  diff -q $uncompressed $expected
+  rm -f $uncompressed
+done

libs/brotli/tests/roundtrip_test.sh

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+#!/usr/bin/env bash
+#
+# Roundtrip test for the brotli command-line tool.
+#
+# The first argument may be a wrapper for brotli, such as 'qemu-arm'.
+
+set -o errexit
+
+BROTLI_WRAPPER=$1
+BROTLI="${BROTLI_WRAPPER} bin/brotli"
+TMP_DIR=bin/tmp
+INPUTS="""
+tests/testdata/alice29.txt
+tests/testdata/asyoulik.txt
+tests/testdata/lcet10.txt
+tests/testdata/plrabn12.txt
+c/enc/encode.c
+c/common/dictionary.h
+c/dec/decode.c
+"""
+
+for file in $INPUTS; do
+  if [ -f $file ]; then
+    for quality in 1 6 9 11; do
+      echo "Roundtrip testing $file at quality $quality"
+      compressed=${TMP_DIR}/${file##*/}.br
+      uncompressed=${TMP_DIR}/${file##*/}.unbr
+      $BROTLI -fq $quality $file -o $compressed
+      $BROTLI $compressed -fdo $uncompressed
+      diff -q $file $uncompressed
+      # Test the streaming version
+      cat $file | $BROTLI -cq $quality | $BROTLI -cd >$uncompressed
+      diff -q $file $uncompressed
+    done
+  fi
+done

libs/brotli/tests/run-compatibility-test.cmake

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+string(REGEX REPLACE "([a-zA-Z0-9\\.]+)\\.compressed(\\.[0-9]+)?$" "\\1" REFERENCE_DATA "${INPUT}")
+string(REGEX REPLACE "\\.compressed" "" OUTPUT_FILE "${INPUT}")
+get_filename_component(OUTPUT_NAME "${OUTPUT_FILE}" NAME)
+
+set(ENV{QEMU_LD_PREFIX} "${BROTLI_WRAPPER_LD_PREFIX}")
+
+execute_process(
+  WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+  COMMAND ${BROTLI_WRAPPER} ${BROTLI_CLI} --force --decompress ${INPUT} --output=${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_NAME}.unbr
+  RESULT_VARIABLE result)
+if(result)
+  message(FATAL_ERROR "Decompression failed")
+endif()
+
+function(test_file_equality f1 f2)
+  if(NOT CMAKE_VERSION VERSION_LESS 2.8.7)
+    file(SHA512 "${f1}" f1_cs)
+    file(SHA512 "${f2}" f2_cs)
+    if(NOT "${f1_cs}" STREQUAL "${f2_cs}")
+      message(FATAL_ERROR "Files do not match")
+    endif()
+  else()
+    file(READ "${f1}" f1_contents)
+    file(READ "${f2}" f2_contents)
+    if(NOT "${f1_contents}" STREQUAL "${f2_contents}")
+      message(FATAL_ERROR "Files do not match")
+    endif()
+  endif()
+endfunction()
+
+test_file_equality("${REFERENCE_DATA}" "${CMAKE_CURRENT_BINARY_DIR}/${OUTPUT_NAME}.unbr")

libs/brotli/tests/run-roundtrip-test.cmake

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+set(ENV{QEMU_LD_PREFIX} "${BROTLI_WRAPPER_LD_PREFIX}")
+
+execute_process(
+  WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+  COMMAND ${BROTLI_WRAPPER} ${BROTLI_CLI} --force --quality=${QUALITY} ${INPUT} --output=${OUTPUT}.br
+  RESULT_VARIABLE result
+  ERROR_VARIABLE result_stderr)
+if(result)
+  message(FATAL_ERROR "Compression failed: ${result_stderr}")
+endif()
+
+execute_process(
+  WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+  COMMAND ${BROTLI_WRAPPER} ${BROTLI_CLI} --force --decompress ${OUTPUT}.br --output=${OUTPUT}.unbr
+  RESULT_VARIABLE result)
+if(result)
+  message(FATAL_ERROR "Decompression failed")
+endif()
+
+function(test_file_equality f1 f2)
+  if(NOT CMAKE_VERSION VERSION_LESS 2.8.7)
+    file(SHA512 "${f1}" f1_cs)
+    file(SHA512 "${f2}" f2_cs)
+    if(NOT "${f1_cs}" STREQUAL "${f2_cs}")
+      message(FATAL_ERROR "Files do not match")
+    endif()
+  else()
+    file(READ "${f1}" f1_contents)
+    file(READ "${f2}" f2_contents)
+    if(NOT "${f1_contents}" STREQUAL "${f2_contents}")
+      message(FATAL_ERROR "Files do not match")
+    endif()
+  endif()
+endfunction()
+
+test_file_equality("${INPUT}" "${OUTPUT}.unbr")

libs/brotli/tests/testdata/10x10y

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+XXXXXXXXXXYYYYYYYYYY

libs/brotli/tests/testdata/64x

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+XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX