Add an unpatched version of xz, XZ Utils, to /trunk/deps/third_party

xz/tests/test_compress.sh

+#!/bin/sh
+
+###############################################################################
+#
+# Author: Lasse Collin
+#
+# This file has been put into the public domain.
+# You can do whatever you want with this file.
+#
+###############################################################################
+
+# Find out if our shell supports functions.
+eval 'unset foo ; foo() { return 42; } ; foo'
+if test $? != 42 ; then
+        echo "/bin/sh doesn't support functions, skipping this test."
+        (exit 77)
+        exit 77
+fi
+
+test_xz() {
+        if $XZ -c "$@" "$FILE" > tmp_compressed; then
+                :
+        else
+                echo "Compressing failed: $* $FILE"
+                (exit 1)
+                exit 1
+        fi
+
+        if $XZ -cd tmp_compressed > tmp_uncompressed ; then
+                :
+        else
+                echo "Decoding failed: $* $FILE"
+                (exit 1)
+                exit 1
+        fi
+
+        if cmp tmp_uncompressed "$FILE" ; then
+                :
+        else
+                echo "Decoded file does not match the original: $* $FILE"
+                (exit 1)
+                exit 1
+        fi
+
+        if $XZDEC tmp_compressed > tmp_uncompressed ; then
+                :
+        else
+                echo "Decoding failed: $* $FILE"
+                (exit 1)
+                exit 1
+        fi
+
+        if cmp tmp_uncompressed "$FILE" ; then
+                :
+        else
+                echo "Decoded file does not match the original: $* $FILE"
+                (exit 1)
+                exit 1
+        fi
+
+        # Show progress:
+        echo . | tr -d '\n\r'
+}
+
+XZ="../src/xz/xz --memory=28MiB --threads=1"
+XZDEC="../src/xzdec/xzdec --memory=4MiB"
+unset XZ_OPT
+
+# Create the required input files.
+if ./create_compress_files ; then
+        :
+else
+        rm -f compress_*
+        echo "Failed to create files to test compression."
+        (exit 1)
+        exit 1
+fi
+
+# Remove temporary now (in case they are something weird), and on exit.
+rm -f tmp_compressed tmp_uncompressed
+trap 'rm -f tmp_compressed tmp_uncompressed' 0
+
+# Encode and decode each file with various filter configurations.
+# This takes quite a bit of time.
+echo "test_compress.sh:"
+for FILE in compress_generated_* "$srcdir"/compress_prepared_*
+do
+        MSG=`echo "x$FILE" | sed 's,^x,,; s,^.*/,,; s,^compress_,,'`
+        echo "  $MSG" | tr -d '\n\r'
+
+        # Don't test with empty arguments; it breaks some ancient
+        # proprietary /bin/sh versions due to $@ used in test_xz().
+        test_xz -1
+        test_xz -2
+        test_xz -3
+        test_xz -4
+
+        # Disabled until Subblock format is stable.
+#               --subblock \
+#               --subblock=size=1 \
+#               --subblock=size=1,rle=1 \
+#               --subblock=size=1,rle=4 \
+#               --subblock=size=4,rle=4 \
+#               --subblock=size=8,rle=4 \
+#               --subblock=size=8,rle=8 \
+#               --subblock=size=4096,rle=12 \
+#
+        for ARGS in \
+                --delta=dist=1 \
+                --delta=dist=4 \
+                --delta=dist=256 \
+                --x86 \
+                --powerpc \
+                --ia64 \
+                --arm \
+                --armthumb \
+                --sparc
+        do
+                test_xz $ARGS --lzma2=dict=64KiB,nice=32,mode=fast
+
+                # Disabled until Subblock format is stable.
+                # test_xz --subblock $ARGS --lzma2=dict=64KiB,nice=32,mode=fast
+        done
+
+        echo
+done
+
+(exit 0)
+exit 0