Add test for static init super type assumption

Bug: 215477768
Change-Id: Ic37ddf3267425200ecbc9183c2c89b8ce23b47d7
diff --git a/src/test/java/com/android/tools/r8/shaking/clinit/ClassInitInlineForStaticGetterInSuperTypeTest.java b/src/test/java/com/android/tools/r8/shaking/clinit/ClassInitInlineForStaticGetterInSuperTypeTest.java
new file mode 100644
index 0000000..7a4c15e
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/shaking/clinit/ClassInitInlineForStaticGetterInSuperTypeTest.java
@@ -0,0 +1,87 @@
+// 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.shaking.clinit;
+
+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 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 ClassInitInlineForStaticGetterInSuperTypeTest extends TestBase {
+
+  private static final String EXPECTED = "Hello World";
+  private static final String R8_EXPECTED = "Goodbye World";
+
+  @Parameter() public TestParameters parameters;
+
+  @Parameters(name = "{0}")
+  public static TestParametersCollection data() {
+    return getTestParameters().withAllRuntimesAndApiLevels().build();
+  }
+
+  @Test
+  public void testRuntime() throws Exception {
+    testForRuntime(parameters)
+        .addInnerClasses(getClass())
+        .run(parameters.getRuntime(), Main.class)
+        .assertSuccessWithOutputLines(EXPECTED);
+  }
+
+  @Test
+  public void testR8() throws Exception {
+    testForR8(parameters.getBackend())
+        .addInnerClasses(getClass())
+        .setMinApi(parameters.getApiLevel())
+        .addKeepMainRule(Main.class)
+        .addKeepRules("-keep class " + typeName(B.class) + " { <fields>; }")
+        .enableInliningAnnotations()
+        .run(parameters.getRuntime(), Main.class)
+        // TODO(b/215477768): Should be Hello World
+        .assertSuccessWithOutputLines(R8_EXPECTED);
+  }
+
+  public static class A {
+
+    public static boolean TEST = System.currentTimeMillis() == 0;
+
+    @NeverInline
+    public static boolean getTestStatic() {
+      return TEST;
+    }
+  }
+
+  public static class B extends A {
+
+    static {
+      B.TEST = true;
+    }
+
+    @NeverInline
+    public static void triggerClassAInit(boolean test) {
+      if (test) {
+        System.out.println("Hello World");
+      } else {
+        System.out.println("Goodbye World");
+      }
+    }
+
+    public static void inlinable() {
+      triggerClassAInit(B.getTestStatic());
+    }
+  }
+
+  public static class Main {
+
+    public static void main(String[] args) {
+      B.inlinable();
+    }
+  }
+}