Add a test for class staticizer limitation
Change-Id: Ie2261073fb21c7aed40df79f7acbc5f1b05eacbc
diff --git a/src/test/java/com/android/tools/r8/ir/optimize/staticizer/CompanionClassWithNewInstanceUserTest.java b/src/test/java/com/android/tools/r8/ir/optimize/staticizer/CompanionClassWithNewInstanceUserTest.java
new file mode 100644
index 0000000..5aeb159
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/ir/optimize/staticizer/CompanionClassWithNewInstanceUserTest.java
@@ -0,0 +1,73 @@
+package com.android.tools.r8.ir.optimize.staticizer;
+
+import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+import com.android.tools.r8.NeverInline;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.utils.codeinspector.CodeInspector;
+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 CompanionClassWithNewInstanceUserTest extends TestBase {
+
+ private final TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ public CompanionClassWithNewInstanceUserTest(TestParameters parameters) {
+ this.parameters = parameters;
+ }
+
+ @Test
+ public void test() throws Exception {
+ testForR8(parameters.getBackend())
+ .addInnerClasses(CompanionClassWithNewInstanceUserTest.class)
+ .addKeepMainRule(TestClass.class)
+ .enableInliningAnnotations()
+ .setMinApi(parameters.getApiLevel())
+ .compile()
+ .inspect(this::inspect)
+ .run(parameters.getRuntime(), TestClass.class)
+ .assertSuccessWithOutputLines("Hello world!");
+ }
+
+ private void inspect(CodeInspector inspector) {
+ // The companion class has not been removed.
+ assertThat(inspector.clazz(Companion.class), isPresent());
+ }
+
+ static class TestClass {
+
+ public static void main(String[] args) {
+ Companion companion = CompanionHost.COMPANION;
+ }
+ }
+
+ static class CompanionHost {
+
+ static final Companion COMPANION;
+
+ static {
+ Companion companion = new Companion();
+ COMPANION = companion;
+ companion.method();
+ }
+ }
+
+ static class Companion {
+
+ @NeverInline
+ public void method() {
+ System.out.println("Hello world!");
+ }
+ }
+}