Add a test for -if rules combined with inlining
Bug: 110148109
Change-Id: I5c864160bd2c8f31efadbd3a161af0b339ee445d
diff --git a/src/test/java/com/android/tools/r8/shaking/ifrule/inlining/IfRuleWithInlining.java b/src/test/java/com/android/tools/r8/shaking/ifrule/inlining/IfRuleWithInlining.java
new file mode 100644
index 0000000..14391ee
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/shaking/ifrule/inlining/IfRuleWithInlining.java
@@ -0,0 +1,105 @@
+// Copyright (c) 2018, 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.ifrule.inlining;
+
+import static com.android.tools.r8.utils.DexInspectorMatchers.isPresent;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThat;
+
+import com.android.tools.r8.ToolHelper.ProcessResult;
+import com.android.tools.r8.shaking.forceproguardcompatibility.ProguardCompatabilityTestBase;
+import com.android.tools.r8.utils.AndroidApp;
+import com.android.tools.r8.utils.DexInspector;
+import com.android.tools.r8.utils.DexInspector.ClassSubject;
+import com.google.common.collect.ImmutableList;
+import java.util.Collection;
+import java.util.List;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+class A {
+ static public int a() {
+ try {
+ String p = A.class.getPackage().getName();
+ Class.forName(p + ".D");
+ } catch (ClassNotFoundException e) {
+ return 2;
+ }
+ return 1;
+ }
+}
+
+class B {
+ // Depending on inlining option, this method is kept to make inlining of A.a() infeasible.
+ void x() {
+ System.out.print("" + A.a() + A.a() + A.a() + A.a() + A.a() + A.a() + A.a() + A.a());
+ }
+}
+
+class D {
+}
+
+class Main {
+ public static void main(String[] args) {
+ System.out.print("" + A.a());
+ }
+}
+
+@RunWith(Parameterized.class)
+public class IfRuleWithInlining extends ProguardCompatabilityTestBase {
+ private final static List<Class> CLASSES = ImmutableList.of(
+ A.class, B.class, D.class, Main.class);
+
+ private final Shrinker shrinker;
+ private final boolean inlineMethod;
+
+ public IfRuleWithInlining(Shrinker shrinker, boolean inlineMethod) {
+ this.shrinker = shrinker;
+ this.inlineMethod = inlineMethod;
+ }
+
+ @Parameters(name = "shrinker: {0} inlineMethod: {1}")
+ public static Collection<Object[]> data() {
+ // We don't run this on Proguard, as triggering inlining in Proguard is out of our control.
+ return ImmutableList.of(
+ new Object[]{Shrinker.R8, true},
+ new Object[]{Shrinker.R8, false}
+ );
+ }
+
+ private void check(AndroidApp app) throws Exception {
+ DexInspector inspector = new DexInspector(app);
+ ClassSubject clazzA = inspector.clazz(A.class);
+ assertThat(clazzA, isPresent());
+ // A.a might be inlined.
+ assertEquals(!inlineMethod, clazzA.method("int", "a", ImmutableList.of()).isPresent());
+ // TODO(110148109): class D should be present - inlining or not.
+ assertEquals(!inlineMethod, inspector.clazz(D.class).isPresent());
+ ProcessResult result = runOnArtRaw(app, Main.class.getName());
+ assertEquals(0, result.exitCode);
+ // TODO(110148109): Output should be the same - inlining or not.
+ assertEquals(!inlineMethod ? "1" : "2", result.stdout);
+ }
+
+ @Test
+ public void testMergedClassMethodInIfRule() throws Exception {
+ List<String> config = ImmutableList.of(
+ "-keep class **.Main { public static void main(java.lang.String[]); }",
+ inlineMethod
+ ? "-alwaysinline class **.A { int a(); }"
+ : "-keep class **.B { *; }",
+ inlineMethod
+ ? "-checkdiscard class **.A { int a(); }"
+ : "",
+ "-if class **.A { static int a(); }",
+ "-keep class **.D",
+ "-dontobfuscate"
+ );
+
+ check(runShrinkerRaw(shrinker, CLASSES, config));
+ }
+}
