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#!/bin/bash
#
# Copyright (C) 2013 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# NB This test is likely to be flakey. It attempts to merge random
# DEX files from the Android build tree.
# Find dx.jar from dx in the android dev tree
prog=`which dx`
progdir=`dirname "${prog}"`
dxjar=$progdir/../framework/dx.jar
for i in "$dxjar"; do
if [ ! -r $i ]; then
echo Missing dependency $i. Build dx-tests.
exit 1
fi
done
# Find all files that could contain dex bytecode.
candidates=`find "$ANDROID_BUILD_TOP/out" -name '*.dex' -o -name '*.jar' -o -name '*.apk'`
validdexes=()
checksums=()
for dex in $candidates; do
if [[ "$dex" = *"core"* ]]; then
# Ignoring core files as hit limits of merging capability.
continue
fi
# Filter out jar files and apks that do not unzip or contain a
# classes.dex file. DexMerger assumes file contents based on the
# file extension. Android build names some DEX files with a .jar
# extension and this raises an exception in DexMerger as it fails
# to unzip them.
if [[ "$dex" == *"jar" || "$dex" == *"apk" ]]; then
unzip -l "$dex" 2>&1 | grep -q -m 1 classes.dex
if [[ $? != 0 ]]; then
continue
fi
fi
# Skip duplicate files
checksum=`shasum "$dex" | sed -e 's/ .*//' -e 's/^/_/'`
if [[ "$checksums[$checksum]" == "$checksum" ]]; then
continue
fi
checksums[$checksum]=$checksum
dexdump -c $dex >/dev/null 2>&1
if [ $? -eq 0 ]; then
validdexes+=("$dex")
fi
done
if [ ${#validdexes[@]} -eq 0 ]; then
echo No valid DEX files found.
exit 1
fi
${JAVA} -cp .:$dxjar -ea -esa com.android.dx.merge.MergeTest "${validdexes[@]}" > /dev/null
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