Add test for inlining of static interface methods
Bug: 120130831, 124017330
Change-Id: I6a4b2bbacb2caa13e0069dc5fd980bc74f1d6b7a
diff --git a/src/test/java/com/android/tools/r8/ir/optimize/inliner/InlineStaticInterfaceMethodTest.java b/src/test/java/com/android/tools/r8/ir/optimize/inliner/InlineStaticInterfaceMethodTest.java
new file mode 100644
index 0000000..af29bc7
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/ir/optimize/inliner/InlineStaticInterfaceMethodTest.java
@@ -0,0 +1,53 @@
+// Copyright (c) 2019, 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.inliner;
+
+import static com.android.tools.r8.ir.desugar.InterfaceMethodRewriter.COMPANION_CLASS_NAME_SUFFIX;
+import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
+import static org.junit.Assert.assertThat;
+
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.utils.AndroidApiLevel;
+import com.android.tools.r8.utils.StringUtils;
+import com.android.tools.r8.utils.codeinspector.ClassSubject;
+import com.android.tools.r8.utils.codeinspector.CodeInspector;
+import org.junit.Test;
+
+public class InlineStaticInterfaceMethodTest extends TestBase {
+
+ @Test
+ public void test() throws Exception {
+ String expectedOutput = StringUtils.lines("Hello world!");
+
+ CodeInspector inspector =
+ testForR8(Backend.DEX)
+ .addInnerClasses(InlineStaticInterfaceMethodTest.class)
+ .addKeepMainRule(TestClass.class)
+ .setMinApi(AndroidApiLevel.M)
+ .run(TestClass.class)
+ .assertSuccessWithOutput(expectedOutput)
+ .inspector();
+
+ // TODO(b/124017330): greet() should have been inlined into main().
+ ClassSubject classSubject =
+ inspector.clazz(I.class.getTypeName() + COMPANION_CLASS_NAME_SUFFIX);
+ assertThat(classSubject, isPresent());
+ assertThat(classSubject.uniqueMethodWithName("greet"), isPresent());
+ }
+
+ static class TestClass {
+
+ public static void main(String[] args) {
+ I.greet();
+ }
+ }
+
+ interface I {
+
+ static void greet() {
+ System.out.println("Hello world!");
+ }
+ }
+}
