com.google.caliper.runner.target.AndroidVm.java Source code

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Here is the source code for com.google.caliper.runner.target.AndroidVm.java

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/*
 * Copyright (C) 2015 Google Inc.
 *
 * 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.
 */

package com.google.caliper.runner.target;

import com.google.auto.value.AutoValue;
import com.google.caliper.runner.config.VmConfig;
import com.google.caliper.runner.config.VmType;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;

/** An Android VM, e.g. Dalvik or ART. */
@AutoValue
public abstract class AndroidVm extends Vm {

    /** Creates a new {@link AndroidVm} for the given configuration. */
    public static AndroidVm create(VmConfig config, String classpath) {
        return new AutoValue_AndroidVm(VmType.ANDROID, config, classpath);
    }

    AndroidVm() {
    }

    @Override
    public String executable() {
        return config().executable().or("dalvikvm");
    }

    @Override
    public ImmutableSet<String> trialArgs() {
        return ImmutableSet.of();
    }

    @Override
    public ImmutableList<String> lastArgs() {
        // app_process expects a "command directory" argument; use the bin directory where the binary is
        return executable().equals("app_process") ? ImmutableList.of("/system/bin") : ImmutableList.of();
    }

    @Override
    public ImmutableList<String> classpathArgs() {
        // Unlike -cp <classpath>, this works for both dalvikvm and app_process
        return ImmutableList.of("-Djava.class.path=" + classpath());
    }

    @Override
    public Predicate<String> vmPropertiesToRetain() {
        return Predicates.alwaysFalse();
    }
}