Merge "Add a unit test for Android Runtime (Boot) device configuration flags."
am: 6631e7c3a7
Change-Id: I752cbbd3e8b948dfe1cd2bd972e5396fefa01242
This commit is contained in:
Nicolas Geoffray
244
core/jni/runtime_native_boot-flags-test.sh
Executable file
244
core/jni/runtime_native_boot-flags-test.sh
Executable file
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#!/bin/bash
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# Copyright (C) 2019 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Test Android Runtime (Boot) device configuration flags (living in namespace
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# `runtime_native_boot`).
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me=$(basename $0)
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# Namespace containing the tested flag.
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namespace=runtime_native_boot
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# Default set of checked zygote processes.
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zygotes=
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# Status of whole test script.
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exit_status=0
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function say {
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echo "$me: $*"
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}
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function banner {
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local separator=$(echo "$@" | sed s/./=/g )
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say "$separator"
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say "$@"
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say "$separator"
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}
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function fail {
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say "FAILED: $@"
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exit_status=1
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}
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function reboot_and_wait_for_device {
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say "Rebooting device..."
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adb reboot
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adb wait-for-device >/dev/null
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# Wait until the device has finished booting. Give the device 60 iterations
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# (~60 seconds) to try and finish booting before declaring defeat.
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local niters=60
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for i in $(seq $niters); do
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[[ $(adb shell getprop sys.boot_completed) -eq 1 ]] && return 0
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sleep 1
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done
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fail "Device did not finish booting before timeout (~$niters seconds)"
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}
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# check_device_config_flag CONTEXT FLAG VALUE
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# -------------------------------------------
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# Check that the device configuration flag FLAG is set to VALUE. Use CONTEXT in
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# logging.
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function check_device_config_flag {
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local context=$1
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local flag=$2
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local value=$3
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say "[$context] Check that the device configuration flag is set..."
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local flag_value=$(adb shell device_config get "$namespace" "$flag")
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[[ "$flag_value" = "$value" ]] \
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|| fail "Device configuration flag \`$flag\` set to \`$flag_value\` (expected \`$value\`)"
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}
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# check_no_device_config_flag CONTEXT FLAG
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# ----------------------------------------
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# Check that the device configuration flag FLAG is not set. Use CONTEXT in
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# logging.
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function check_no_device_config_flag {
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local context=$1
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local flag=$2
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say "[$context] Check that the device configuration flag is not set..."
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local flag_value=$(adb shell device_config get "$namespace" "$flag")
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[[ "$flag_value" = null ]] \
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|| fail "Device configuration flag \`$flag\` set to \`$flag_value\` (expected `null`)"
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}
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# get_system_property PROP
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# ------------------------
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# Get system property PROP associated with a device configuration flag.
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function get_system_property {
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local prop=$1
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# Note that we need to be root to read that system property.
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adb root >/dev/null
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local prop_value=$(adb shell getprop "$prop")
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adb unroot >/dev/null
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echo "$prop_value"
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}
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# check_system_property CONTEXT PROP VALUE
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# ----------------------------------------
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# Check that the system property PROP associated with a device configuration
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# flag is set to VALUE. Use CONTEXT in logging.
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function check_system_property {
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local context=$1
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local prop=$2
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local value=$3
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say "[$context] Check that the persistent system property is set..."
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local prop_value=$(get_system_property "$prop")
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[[ "$prop_value" = "$value" ]] \
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|| fail "System property \`$prop\` set to \`$prop_value\` (expected \`$value\`)"
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}
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# check_no_system_property CONTEXT PROP
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# -------------------------------------
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# Check that the system property PROP associated with a device configuration
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# flag is not set. Use CONTEXT in logging.
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function check_no_system_property {
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local context=$1
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local prop=$2
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say "[$context] Check that the persistent system property is not set..."
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local prop_value=$(get_system_property "$prop")
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[[ -z "$prop_value" ]] \
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|| fail "System property \`$prop\` set to \`$prop_value\` (expected unset property)"
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}
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# find_zygote_runtime_option ZYGOTE RUNTIME_OPTION
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# ------------------------------------------------
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# Return whether ZYGOTE is passed RUNTIME_OPTION.
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function find_zygote_runtime_option {
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local zygote=$1
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local runtime_option=$2
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adb logcat -d -s "$zygote" | grep -q -e "option\[[0-9]\+\]=$runtime_option"
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}
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# check_zygote_gc_runtime_option CONTEXT VALUE
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# --------------------------------------------
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# Check that all zygote processes are passed device configuration flag VALUE as
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# GC runtime option. Use CONTEXT in logging.
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function check_zygote_gc_runtime_option {
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local context=$1
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local value=$2
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say \
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"[$context] Check that all zygote processes are passed the flag value as a GC runtime option..."
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local runtime_option="-Xgc:$value"
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for zygote in $zygotes; do
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find_zygote_runtime_option "$zygote" "$runtime_option"\
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|| fail "Found no \`$runtime_option\` among runtime options passed to \`$zygote\`"
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done
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}
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# check_no_zygote_gc_runtime_option CONTEXT VALUE
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# -----------------------------------------------
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# Check that no zygote process is passed device configuration flag VALUE as GC
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# runtime option. Use CONTEXT in logging.
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function check_no_zygote_gc_runtime_option {
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local context=$1
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local value=$2
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say "[$context] Check no zygote process is passed the flag value as a GC runtime option..."
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local runtime_option="-Xgc:$value"
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for zygote in $zygotes; do
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find_zygote_runtime_option "$zygote" "$runtime_option"\
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&& fail "Found \`$runtime_option\` among runtime options passed to \`$zygote\`"
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done
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}
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# test_android_runtime_flag FLAG VALUE
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# ------------------------------------
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# Test device configuration FLAG with VALUE.
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function test_android_runtime_flag {
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local flag=$1
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local value=$2
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# Persistent system property (set after a reboot) associated with the device
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# configuration flag.
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local prop="persist.device_config.$namespace.$flag"
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banner "Testing \`$flag\` value \`$value\`."
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say "Setting device configuration flag..."
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adb shell device_config put "$namespace" "$flag" "$value"
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# Give some time to the device to digest this change before rebooting.
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sleep 3
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# Check that both the device configuration flag and the associated system
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# property are set, but that the zygote hasn't had the flag passed to it as a
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# GC runtime option (as we haven't rebooted yet).
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local context="Flag set, before reboot"
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check_device_config_flag "$context" "$flag" "$value"
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check_system_property "$context" "$prop" "$value"
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check_no_zygote_gc_runtime_option "$context" "$value"
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# Reboot device for the flag value to take effect.
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reboot_and_wait_for_device
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context="Flag set, after 1st reboot"
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check_device_config_flag "$context" "$flag" "$value"
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check_system_property "$context" "$prop" "$value"
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check_zygote_gc_runtime_option "$context" "$value"
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# Reboot device a second time and check that the state has persisted.
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reboot_and_wait_for_device
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context="Flag set, after 2nd reboot"
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check_device_config_flag "$context" "$flag" "$value"
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check_system_property "$context" "$prop" "$value"
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check_zygote_gc_runtime_option "$context" "$value"
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say "Unsetting device configuration flag..."
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adb shell device_config delete "$namespace" "$flag" >/dev/null
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# Give some time to the device to digest this change before rebooting.
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sleep 3
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# Reboot and check that the device is back to its default state.
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reboot_and_wait_for_device
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context="Flag unset, after 3rd reboot"
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check_no_device_config_flag "$context" "$flag"
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check_no_system_property "$context" "$prop"
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check_no_zygote_gc_runtime_option "$context" "$value"
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}
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# Enumerate Zygote processes.
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case $(adb shell getprop ro.zygote) in
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(zygote32) zygotes="zygote";;
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(zygote64) zygotes="zygote64";;
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(zygote32_64|zygote64_32) zygotes="zygote zygote64";;
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esac
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# Test "gctype" flag values.
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test_android_runtime_flag gctype nogenerational_cc
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test_android_runtime_flag gctype generational_cc
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if [[ "$exit_status" -eq 0 ]]; then
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banner "All tests passed."
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else
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banner "Test(s) failed."
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fi
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exit $exit_status
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