Add CONSTANT_Dynamic test of using two named constants
Bug: 178172809
Change-Id: I37e2068804fba01e16e9f7e99a6251d1e147e5ae
diff --git a/src/test/java/com/android/tools/r8/desugar/constantdynamic/MultipleNamedConstantDynamicTest.java b/src/test/java/com/android/tools/r8/desugar/constantdynamic/MultipleNamedConstantDynamicTest.java
new file mode 100644
index 0000000..69cd883
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/desugar/constantdynamic/MultipleNamedConstantDynamicTest.java
@@ -0,0 +1,144 @@
+// 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.constantdynamic;
+
+import static com.android.tools.r8.DiagnosticsMatcher.diagnosticMessage;
+import static com.android.tools.r8.DiagnosticsMatcher.diagnosticOrigin;
+import static com.android.tools.r8.OriginMatcher.hasParent;
+import static org.hamcrest.CoreMatchers.allOf;
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.junit.Assert.assertThrows;
+import static org.junit.Assume.assumeTrue;
+
+import com.android.tools.r8.CompilationFailedException;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestRuntime.CfVm;
+import com.android.tools.r8.cf.CfVersion;
+import com.android.tools.r8.origin.Origin;
+import com.android.tools.r8.utils.AndroidApiLevel;
+import com.android.tools.r8.utils.StringUtils;
+import java.io.IOException;
+import java.lang.invoke.MethodHandles;
+import java.util.List;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameter;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class MultipleNamedConstantDynamicTest extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static List<Object[]> data() {
+ return buildParameters(
+ getTestParameters().withAllRuntimes().withAllApiLevelsAlsoForCf().build());
+ }
+
+ private static final String EXPECTED_OUTPUT =
+ StringUtils.lines("true", "true", "true", "true", "true");
+
+ @Test
+ public void testReference() throws Exception {
+ assumeTrue(parameters.isCfRuntime());
+ assumeTrue(parameters.getRuntime().asCf().isNewerThanOrEqual(CfVm.JDK11));
+ assumeTrue(parameters.getApiLevel().isEqualTo(AndroidApiLevel.B));
+
+ testForJvm()
+ .addProgramClassFileData(getTransformedClasses())
+ .run(parameters.getRuntime(), A.class)
+ .assertSuccessWithOutput(EXPECTED_OUTPUT);
+ }
+
+ @Test
+ public void testD8() throws Exception {
+ assumeTrue(parameters.isDexRuntime());
+
+ assertThrows(
+ CompilationFailedException.class,
+ () ->
+ testForD8(parameters.getBackend())
+ .addProgramClassFileData(getTransformedClasses())
+ .setMinApi(parameters.getApiLevel())
+ .compileWithExpectedDiagnostics(
+ diagnostics -> {
+ diagnostics.assertOnlyErrors();
+ diagnostics.assertErrorsMatch(
+ allOf(
+ diagnosticMessage(containsString("Unsupported dynamic constant")),
+ diagnosticOrigin(hasParent(Origin.unknown()))));
+ }));
+ }
+
+ @Test
+ public void testR8() throws Exception {
+ assumeTrue(
+ parameters.getRuntime().isDex() || parameters.getApiLevel().isEqualTo(AndroidApiLevel.B));
+
+ assertThrows(
+ CompilationFailedException.class,
+ () ->
+ testForR8(parameters.getBackend())
+ .addProgramClassFileData(getTransformedClasses())
+ .setMinApi(parameters.getApiLevel())
+ .addKeepMainRule(A.class)
+ .compileWithExpectedDiagnostics(
+ diagnostics -> {
+ diagnostics.assertOnlyErrors();
+ diagnostics.assertErrorsMatch(
+ allOf(
+ diagnosticMessage(containsString("Unsupported dynamic constant")),
+ diagnosticOrigin(hasParent(Origin.unknown()))));
+ }));
+ }
+
+ private byte[] getTransformedClasses() throws IOException {
+ return transformer(A.class)
+ .setVersion(CfVersion.V11)
+ .transformConstStringToConstantDynamic(
+ "condy1", A.class, "myConstant", "constantF", Object.class)
+ .transformConstStringToConstantDynamic(
+ "condy2", A.class, "myConstant", "constantF", Object.class)
+ .transformConstStringToConstantDynamic(
+ "condy3", A.class, "myConstant", "constantG", Object.class)
+ .transformConstStringToConstantDynamic(
+ "condy4", A.class, "myConstant", "constantG", Object.class)
+ .transform();
+ }
+
+ public static class A {
+
+ public static Object f1() {
+ return "condy1"; // Will be transformed to Constant_DYNAMIC.
+ }
+
+ public static Object f2() {
+ return "condy2"; // Will be transformed to Constant_DYNAMIC.
+ }
+
+ public static Object g1() {
+ return "condy3"; // Will be transformed to Constant_DYNAMIC.
+ }
+
+ public static Object g2() {
+ return "condy4"; // Will be transformed to Constant_DYNAMIC.
+ }
+
+ public static void main(String[] args) {
+ System.out.println(f1() != null);
+ System.out.println(f1() == f2());
+ System.out.println(g1() != null);
+ System.out.println(g1() == g2());
+ System.out.println(f1() != g2());
+ }
+
+ private static Object myConstant(MethodHandles.Lookup lookup, String name, Class<?> type) {
+ return new Object();
+ }
+ }
+}
