Reproduce class inlining of nullable field
Bug: 215742573
Change-Id: I0ece7426777d6d1590448c08bf89e72f0d4f691d
diff --git a/src/test/java/com/android/tools/r8/ir/optimize/classinliner/ClassInlinerNullableStaticGetTest.java b/src/test/java/com/android/tools/r8/ir/optimize/classinliner/ClassInlinerNullableStaticGetTest.java
new file mode 100644
index 0000000..0a6e376
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/ir/optimize/classinliner/ClassInlinerNullableStaticGetTest.java
@@ -0,0 +1,70 @@
+// 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.ir.optimize.classinliner;
+
+import com.android.tools.r8.NoVerticalClassMerging;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+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 ClassInlinerNullableStaticGetTest extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test
+ public void test() throws Exception {
+ testForR8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .addKeepMainRule(Main.class)
+ .enableNoVerticalClassMergingAnnotations()
+ .setMinApi(parameters.getApiLevel())
+ .compile()
+ .run(parameters.getRuntime(), Main.class)
+ .assertFailureWithErrorThatThrows(NullPointerException.class);
+ }
+
+ static class Main {
+
+ public static void main(String[] args) {
+ Singleton.get().greet();
+ Singleton.set();
+ if (System.currentTimeMillis() < 0) {
+ System.out.println(new Singleton());
+ }
+ }
+ }
+
+ @NoVerticalClassMerging
+ static class Singleton {
+
+ static Singleton INSTANCE;
+
+ static Singleton get() {
+ return INSTANCE;
+ }
+
+ static void set() {
+ INSTANCE = new SingletonImpl();
+ }
+
+ void greet() {
+ System.out.println("Hello!");
+ }
+ }
+
+ static class SingletonImpl extends Singleton {}
+}
