Desugared library nio: test link and sym link
Change-Id: I1a13a950235f7f74e7eca7595fcea24f749c8b6e
diff --git a/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/jdk11/FilesSymLinkTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/jdk11/FilesSymLinkTest.java
new file mode 100644
index 0000000..9a4521c
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/jdk11/FilesSymLinkTest.java
@@ -0,0 +1,127 @@
+// Copyright (c) 2022, 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 static com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification.DEFAULT_SPECIFICATIONS;
+import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.JDK11_PATH;
+
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestRuntime.CfVm;
+import com.android.tools.r8.ToolHelper;
+import com.android.tools.r8.ToolHelper.DexVm.Version;
+import com.android.tools.r8.desugar.desugaredlibrary.DesugaredLibraryTestBase;
+import com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification;
+import com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification;
+import com.android.tools.r8.utils.StringUtils;
+import com.google.common.collect.ImmutableList;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+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;
+
+@RunWith(Parameterized.class)
+public class FilesSymLinkTest extends DesugaredLibraryTestBase {
+
+ private static final String EXPECTED_RESULT =
+ StringUtils.lines("link created.", "true", "Symlink:true", "true");
+ private static final String EXPECTED_RESULT_DESUGARING =
+ StringUtils.lines(
+ "class java.lang.UnsupportedOperationException :: null",
+ "true",
+ "class java.lang.UnsupportedOperationException :: null",
+ "true");
+
+ private final TestParameters parameters;
+ private final LibraryDesugaringSpecification libraryDesugaringSpecification;
+ private final CompilationSpecification compilationSpecification;
+
+ @Parameters(name = "{0}, spec: {1}, {2}")
+ public static List<Object[]> data() {
+ return buildParameters(
+ // Skip Android 4.4.4 due to missing libjavacrypto.
+ getTestParameters()
+ .withCfRuntime(CfVm.JDK11)
+ .withDexRuntime(Version.V4_0_4)
+ .withDexRuntimesStartingFromIncluding(Version.V5_1_1)
+ .withAllApiLevels()
+ .build(),
+ ImmutableList.of(JDK11_PATH),
+ DEFAULT_SPECIFICATIONS);
+ }
+
+ public FilesSymLinkTest(
+ TestParameters parameters,
+ LibraryDesugaringSpecification libraryDesugaringSpecification,
+ CompilationSpecification compilationSpecification) {
+ this.parameters = parameters;
+ this.libraryDesugaringSpecification = libraryDesugaringSpecification;
+ this.compilationSpecification = compilationSpecification;
+ }
+
+ @Test
+ public void test() throws Throwable {
+ if (parameters.isCfRuntime()) {
+ // Reference runtime, we use Jdk 11 since this is Jdk 11 desugared library, not that Jdk 8
+ // behaves differently on this test.
+ Assume.assumeTrue(parameters.isCfRuntime(CfVm.JDK11) && !ToolHelper.isWindows());
+ testForJvm()
+ .addInnerClasses(getClass())
+ .run(parameters.getRuntime(), TestClass.class, "10000")
+ .assertSuccessWithOutput(EXPECTED_RESULT);
+ return;
+ }
+ testForDesugaredLibrary(parameters, libraryDesugaringSpecification, compilationSpecification)
+ .addInnerClasses(getClass())
+ .addKeepMainRule(TestClass.class)
+ .compile()
+ .withArt6Plus64BitsLib()
+ .run(
+ parameters.getRuntime(),
+ TestClass.class,
+ String.valueOf(parameters.getApiLevel().getLevel()))
+ .assertSuccessWithOutput(
+ libraryDesugaringSpecification.usesPlatformFileSystem(parameters)
+ ? EXPECTED_RESULT
+ : EXPECTED_RESULT_DESUGARING);
+ }
+
+ public static class TestClass {
+
+ public static void main(String[] args) throws Throwable {
+ Path target = Files.createTempFile("guinea_pig_", ".txt");
+
+ Path link = Paths.get("link");
+ try {
+ Files.createLink(link, target);
+ System.out.println("link created.");
+ } catch (Throwable t) {
+ printError(t);
+ }
+ Files.deleteIfExists(link);
+ System.out.println((Files.exists(target)));
+
+ Path symLink = Paths.get("symLink");
+ try {
+ Files.createSymbolicLink(symLink, target);
+ Path path = Files.readSymbolicLink(symLink);
+ System.out.println("Symlink:" + path.equals(target));
+ } catch (Throwable t) {
+ printError(t);
+ }
+ Files.deleteIfExists(symLink);
+ System.out.println((Files.exists(target)));
+ Files.delete(target);
+ }
+
+ private static void printError(Throwable t) {
+ System.out.println(t.getClass() + " :: " + t.getMessage());
+ }
+ }
+}
