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/*
* Copyright 2021 Google Inc. All Rights Reserved.
*
* 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.turbine.lower;
import static com.google.common.base.StandardSystemProperty.JAVA_CLASS_VERSION;
import static com.google.common.collect.ImmutableMap.toImmutableMap;
import static org.junit.Assert.assertEquals;
import com.google.common.base.Supplier;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.turbine.binder.ClassPath;
import com.google.turbine.binder.CtSymClassBinder;
import com.google.turbine.binder.JimageClassBinder;
import com.google.turbine.binder.bound.ModuleInfo;
import com.google.turbine.binder.bytecode.BytecodeBoundClass;
import com.google.turbine.binder.env.Env;
import com.google.turbine.binder.lookup.TopLevelIndex;
import com.google.turbine.binder.sym.ClassSymbol;
import com.google.turbine.binder.sym.ModuleSymbol;
import java.util.Map;
import java.util.Optional;
import org.checkerframework.checker.nullness.qual.Nullable;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class MissingJavaBaseModule {
@Test
public void test() throws Exception {
Map<String, String> sources = ImmutableMap.of("module-info.java", "module foo {}");
Map<String, byte[]> expected =
IntegrationTestSupport.runJavac(
sources, ImmutableList.of(), ImmutableList.of("--release", "9", "--module-version=42"));
ClassPath base =
Double.parseDouble(JAVA_CLASS_VERSION.value()) < 54
? JimageClassBinder.bindDefault()
: CtSymClassBinder.bind(9);
ClassPath bootclasspath =
new ClassPath() {
@Override
public Env<ClassSymbol, BytecodeBoundClass> env() {
return base.env();
}
@Override
public Env<ModuleSymbol, ModuleInfo> moduleEnv() {
return new Env<ModuleSymbol, ModuleInfo>() {
@Override
public @Nullable ModuleInfo get(ModuleSymbol sym) {
if (sym.name().equals("java.base")) {
return null;
}
return base.moduleEnv().get(sym);
}
};
}
@Override
public TopLevelIndex index() {
return base.index();
}
@Override
public @Nullable Supplier<byte[]> resource(String path) {
return base.resource(path);
}
};
Map<String, byte[]> actual =
IntegrationTestSupport.runTurbine(
sources,
ImmutableList.of(),
bootclasspath,
Optional.of("42"),
/* javacopts= */ ImmutableList.of());
assertEquals(dump(expected), dump(actual));
}
private String dump(Map<String, byte[]> map) throws Exception {
return IntegrationTestSupport.dump(
map.entrySet().stream()
.filter(e -> e.getKey().endsWith("module-info"))
.collect(toImmutableMap(Map.Entry::getKey, Map.Entry::getValue)));
}
}
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