Reproduction of formatter errors
Bug: 210885987
Change-Id: Ic59e0d635b941d4fe8ff0e8f3b9abebbdf0e4498
diff --git a/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DateTimeFormatterTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DateTimeFormatterTest.java
new file mode 100644
index 0000000..2d4640a
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DateTimeFormatterTest.java
@@ -0,0 +1,110 @@
+// 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;
+
+import com.android.tools.r8.D8TestRunResult;
+import com.android.tools.r8.R8TestRunResult;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.utils.BooleanUtils;
+import com.android.tools.r8.utils.StringUtils;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeFormatterBuilder;
+import java.time.format.FormatStyle;
+import java.util.List;
+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 DateTimeFormatterTest extends DesugaredLibraryTestBase {
+
+ private final TestParameters parameters;
+ private final boolean shrinkDesugaredLibrary;
+ private static final String expectedOutputDesugaredLib =
+ StringUtils.lines("2/3/01 4:05 AM - Feb 3, 1 4:05 AM");
+ private static final String expectedOutput =
+ StringUtils.lines("2/3/01, 4:05 AM - Feb 3, 1, 4:05 AM");
+
+ @Parameters(name = "{1}, shrinkDesugaredLibrary: {0}")
+ public static List<Object[]> data() {
+ return buildParameters(
+ BooleanUtils.values(), getTestParameters().withDexRuntimes().withAllApiLevels().build());
+ }
+
+ public DateTimeFormatterTest(boolean shrinkDesugaredLibrary, TestParameters parameters) {
+ this.shrinkDesugaredLibrary = shrinkDesugaredLibrary;
+ this.parameters = parameters;
+ }
+
+ @Test
+ public void testD8() throws Exception {
+ KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters);
+ D8TestRunResult run =
+ testForD8()
+ .addLibraryFiles(getLibraryFile())
+ .addInnerClasses(DateTimeFormatterTest.class)
+ .setMinApi(parameters.getApiLevel())
+ .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer)
+ .setIncludeClassesChecksum(true)
+ .compile()
+ .addDesugaredCoreLibraryRunClassPath(
+ this::buildDesugaredLibrary,
+ parameters.getApiLevel(),
+ keepRuleConsumer.get(),
+ shrinkDesugaredLibrary)
+ .run(parameters.getRuntime(), TestClass.class);
+ if (requiresTimeDesugaring(parameters)) {
+ run.assertSuccessWithOutput(expectedOutputDesugaredLib);
+ } else {
+ run.assertSuccessWithOutput(expectedOutput);
+ }
+ }
+
+ @Test
+ public void testR8() throws Exception {
+ KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters);
+ R8TestRunResult run =
+ testForR8(parameters.getBackend())
+ .addLibraryFiles(getLibraryFile())
+ .noMinification()
+ .addKeepMainRule(TestClass.class)
+ .addInnerClasses(DateTimeFormatterTest.class)
+ .setMinApi(parameters.getApiLevel())
+ .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer)
+ .compile()
+ .addDesugaredCoreLibraryRunClassPath(
+ this::buildDesugaredLibrary,
+ parameters.getApiLevel(),
+ keepRuleConsumer.get(),
+ shrinkDesugaredLibrary)
+ .run(parameters.getRuntime(), TestClass.class);
+ if (requiresTimeDesugaring(parameters)) {
+ run.assertSuccessWithOutput(expectedOutputDesugaredLib);
+ } else {
+ run.assertSuccessWithOutput(expectedOutput);
+ }
+ }
+
+ static class TestClass {
+
+ public static void main(String[] args) {
+ // See b/210885987: ANRS reported on Android 12 on the methods:
+ // - j$.time.format.DateTimeFormatterBuilder.append (DateTimeFormatterBuilder.java)
+ // - j$.time.format.DateTimeFormatter.<clinit> (DateTimeFormatter.java)
+ // - j$.time.format.DateTimeFormatter.ofLocalizedDateTime (DateTimeFormatter.java)
+ DateTimeFormatterBuilder builder = new DateTimeFormatterBuilder();
+ DateTimeFormatter formatter1 = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.SHORT);
+ DateTimeFormatter formatter2 =
+ DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM, FormatStyle.SHORT);
+ DateTimeFormatter formatter =
+ builder.append(formatter1).appendLiteral(" - ").append(formatter2).toFormatter();
+ LocalDateTime dateTime = LocalDateTime.of(1, 2, 3, 4, 5);
+ String str = dateTime.format(formatter);
+ System.out.println(str);
+ }
+ }
+}
