Enum unboxing: add test for missing case
Change-Id: If603a47fe3795945098475991a6036de0aa34032
diff --git a/src/test/java/com/android/tools/r8/enumunboxing/EnumMissingFieldsUnboxingTest.java b/src/test/java/com/android/tools/r8/enumunboxing/EnumMissingFieldsUnboxingTest.java
new file mode 100644
index 0000000..f6b55cf
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/enumunboxing/EnumMissingFieldsUnboxingTest.java
@@ -0,0 +1,90 @@
+// Copyright (c) 2020, 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.enumunboxing;
+
+import static org.hamcrest.CoreMatchers.containsString;
+
+import com.android.tools.r8.NeverClassInline;
+import com.android.tools.r8.R8TestRunResult;
+import com.android.tools.r8.TestParameters;
+import java.io.IOException;
+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 EnumMissingFieldsUnboxingTest extends EnumUnboxingTestBase {
+
+ private final TestParameters parameters;
+ private final boolean enumValueOptimization;
+ private final EnumKeepRules enumKeepRules;
+
+ @Parameters(name = "{0} valueOpt: {1} keep: {2}")
+ public static List<Object[]> data() {
+ return enumUnboxingTestParameters();
+ }
+
+ public EnumMissingFieldsUnboxingTest(
+ TestParameters parameters, boolean enumValueOptimization, EnumKeepRules enumKeepRules) {
+ this.parameters = parameters;
+ this.enumValueOptimization = enumValueOptimization;
+ this.enumKeepRules = enumKeepRules;
+ }
+
+ @Test
+ public void testEnumUnboxing() throws Exception {
+ R8TestRunResult run =
+ testForR8(parameters.getBackend())
+ .addProgramClasses(TestClass.class)
+ .addProgramClassFileData(getEnumProgramData())
+ .addKeepMainRule(TestClass.class)
+ .addKeepRules(enumKeepRules.getKeepRules())
+ .enableNeverClassInliningAnnotations()
+ .addOptionsModification(opt -> enableEnumOptions(opt, enumValueOptimization))
+ .allowDiagnosticInfoMessages()
+ .setMinApi(parameters.getApiLevel())
+ .compile()
+ .inspectDiagnosticMessages(
+ m -> assertEnumIsBoxed(CompilationEnum.class, TestClass.class.getSimpleName(), m))
+ .run(parameters.getRuntime(), TestClass.class)
+ .assertFailureWithErrorThatMatches(containsString("NoSuchFieldError"));
+ assertLines2By2Correct(run.getStdOut());
+ }
+
+ private byte[] getEnumProgramData() throws IOException {
+ return transformer(RuntimeEnum.class)
+ .setClassDescriptor(descriptor(CompilationEnum.class))
+ .transform();
+ }
+
+ // CompilationEnum is used for the compilation of TestClass.
+ @NeverClassInline
+ public enum CompilationEnum {
+ A,
+ B,
+ C,
+ D
+ }
+
+ // CompilationEnum is used for the runtime execution of TestClass.
+ @NeverClassInline
+ public enum RuntimeEnum {
+ A,
+ D
+ }
+
+ static class TestClass {
+
+ public static void main(String[] args) {
+ System.out.println(CompilationEnum.A.ordinal());
+ System.out.println(0);
+ // The field C will be missing at runtime.
+ System.out.println(CompilationEnum.C.ordinal());
+ System.out.println(2);
+ }
+ }
+}
