| // Copyright (c) 2021, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| package com.android.tools.r8.desugar.desugaredlibrary.jdk11; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.desugar.desugaredlibrary.DesugaredLibraryTestBase; |
| import com.android.tools.r8.transformers.MethodTransformer; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.google.common.collect.ImmutableList; |
| import java.io.IOException; |
| import java.nio.charset.Charset; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Collection; |
| import java.util.List; |
| import org.junit.Assume; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| import org.objectweb.asm.Opcodes; |
| |
| @RunWith(Parameterized.class) |
| public class StandardCharsetTest extends DesugaredLibraryTestBase { |
| |
| private static final String EXPECTED_RESULT = |
| StringUtils.lines("%E3%81%8B", "%82%A0%82%A9%97%43%24%E3%81%8B", "true"); |
| |
| private final TestParameters parameters; |
| private final boolean shrinkDesugaredLibrary; |
| |
| @Parameters(name = "{1}, shrinkDesugaredLibrary: {0}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| BooleanUtils.values(), getTestParameters().withDexRuntimes().withAllApiLevels().build()); |
| } |
| |
| public StandardCharsetTest(boolean shrinkDesugaredLibrary, TestParameters parameters) { |
| this.shrinkDesugaredLibrary = shrinkDesugaredLibrary; |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testD8() throws Exception { |
| Assume.assumeTrue(isJDK11DesugaredLibrary()); |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForD8(parameters.getBackend()) |
| .addLibraryFiles(ToolHelper.getAndroidJar(AndroidApiLevel.P)) |
| .addProgramClassFileData(getProgramClassFileData()) |
| .setMinApi(parameters.getApiLevel()) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED_RESULT); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| Assume.assumeTrue(isJDK11DesugaredLibrary()); |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForR8(Backend.DEX) |
| .addLibraryFiles(ToolHelper.getAndroidJar(AndroidApiLevel.P)) |
| .addProgramClassFileData(getProgramClassFileData()) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(TestClass.class) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED_RESULT); |
| } |
| |
| private Collection<byte[]> getProgramClassFileData() throws IOException { |
| return ImmutableList.of( |
| transformer(TestClass.class) |
| .addMethodTransformer( |
| new MethodTransformer() { |
| @Override |
| public void visitMethodInsn( |
| int opcode, |
| String owner, |
| String name, |
| String descriptor, |
| boolean isInterface) { |
| if (opcode == Opcodes.INVOKESTATIC && name.equals("encode")) { |
| super.visitMethodInsn( |
| opcode, "java/net/URLEncoder", name, descriptor, isInterface); |
| return; |
| } |
| super.visitMethodInsn(opcode, owner, name, descriptor, isInterface); |
| } |
| }) |
| .transform()); |
| } |
| |
| public static class TestClass { |
| |
| public static void main(String[] args) { |
| System.out.println(encode("か", StandardCharsets.UTF_8)); |
| System.out.println( |
| encode("あ", "Shift_JIS") |
| + encode("か", "Shift_JIS") |
| + encode("佑", "Shift_JIS") |
| + encode("$", "Shift_JIS") |
| + encode("か", StandardCharsets.UTF_8)); |
| System.out.println(Character.isBmpCodePoint('か')); |
| } |
| |
| // Replaced in the transformer by JDK 11 URLEncoder#encode. |
| public static String encode(String s, Charset set) { |
| return null; |
| } |
| |
| // Replaced in the transformer by JDK 11 URLEncoder#encode. |
| public static String encode(String s, String set) { |
| return null; |
| } |
| } |
| } |