emulate dynamic dispatch of emulated default interface methods

RELNOTES: None.

PiperOrigin-RevId: 187671513
GitOrigin-RevId: babbfdc6cb98a23fe0dadf02d7dc407504e9cac5
Change-Id: Ie23b521a82464d07f625cefad8418c502f0978f0

2 files changed, 23 insertions, 14 deletions

diff --git a/test/java/com/google/devtools/build/android/desugar/CoreLibrarySupportTest.java b/test/java/com/google/devtools/build/android/desugar/CoreLibrarySupportTest.java
index e6f34ba..ec4e16d 100644
--- a/test/java/com/google/devtools/build/android/desugar/CoreLibrarySupportTest.java
+++ b/test/java/com/google/devtools/build/android/desugar/CoreLibrarySupportTest.java
@@ -34,7 +34,6 @@ public class CoreLibrarySupportTest {
         new CoreLibrarySupport(
             new CoreLibraryRewriter(""),
             null,
-            null,
             ImmutableList.of("java/time/"),
             ImmutableList.of(),
             ImmutableList.of(),
@@ -53,7 +52,6 @@ public class CoreLibrarySupportTest {
         new CoreLibrarySupport(
             new CoreLibraryRewriter("__/"),
             null,
-            null,
             ImmutableList.of("java/time/"),
             ImmutableList.of(),
             ImmutableList.of(),
@@ -72,7 +70,6 @@ public class CoreLibrarySupportTest {
         new CoreLibrarySupport(
             new CoreLibraryRewriter(""),
             null,
-            null,
             ImmutableList.of(),
             ImmutableList.of(),
             ImmutableList.of(),
@@ -87,7 +84,6 @@ public class CoreLibrarySupportTest {
         new CoreLibrarySupport(
             new CoreLibraryRewriter("__/"),
             null,
-            null,
             ImmutableList.of(),
             ImmutableList.of(),
             ImmutableList.of(),
@@ -102,7 +98,6 @@ public class CoreLibrarySupportTest {
         new CoreLibrarySupport(
             new CoreLibraryRewriter("__/"),
             null,
-            null,
             ImmutableList.of("java/util/Helper"),
             ImmutableList.of(),
             ImmutableList.of("java/util/Existing#match -> java/util/Helper"),
@@ -119,7 +114,6 @@ public class CoreLibrarySupportTest {
         new CoreLibrarySupport(
             new CoreLibraryRewriter(""),
             Thread.currentThread().getContextClassLoader(),
-            null,
             ImmutableList.of("java/util/concurrent/"),
             ImmutableList.of("java/util/Map"),
             ImmutableList.of(),
@@ -139,7 +133,6 @@ public class CoreLibrarySupportTest {
         new CoreLibrarySupport(
             new CoreLibraryRewriter(""),
             Thread.currentThread().getContextClassLoader(),
-            null,
             ImmutableList.of(),
             ImmutableList.of("java/util/Collection"),
             ImmutableList.of(),
@@ -176,7 +169,6 @@ public class CoreLibrarySupportTest {
         new CoreLibrarySupport(
             new CoreLibraryRewriter(""),
             Thread.currentThread().getContextClassLoader(),
-            null,
             ImmutableList.of(),
             ImmutableList.of("java/util/Collection"),
             ImmutableList.of(),
@@ -205,7 +197,6 @@ public class CoreLibrarySupportTest {
         new CoreLibrarySupport(
             new CoreLibraryRewriter(""),
             Thread.currentThread().getContextClassLoader(),
-            null,
             ImmutableList.of(),
             ImmutableList.of("java/util/Map"),
             ImmutableList.of(),
@@ -242,7 +233,6 @@ public class CoreLibrarySupportTest {
         new CoreLibrarySupport(
             new CoreLibraryRewriter(""),
             Thread.currentThread().getContextClassLoader(),
-            null,
             ImmutableList.of(),
             ImmutableList.of("java/util/Comparator"),
             ImmutableList.of(),
@@ -267,7 +257,6 @@ public class CoreLibrarySupportTest {
         new CoreLibrarySupport(
             new CoreLibraryRewriter(""),
             Thread.currentThread().getContextClassLoader(),
-            null,
             ImmutableList.of("java/util/"),
             ImmutableList.of(),
             ImmutableList.of(),
@@ -337,7 +326,6 @@ public class CoreLibrarySupportTest {
         new CoreLibrarySupport(
             new CoreLibraryRewriter(""),
             Thread.currentThread().getContextClassLoader(),
-            null,
             ImmutableList.of("java/util/concurrent/"),  // should return null for these
             ImmutableList.of("java/util/Map"),
             ImmutableList.of(),
@@ -366,7 +354,6 @@ public class CoreLibrarySupportTest {
         new CoreLibrarySupport(
             new CoreLibraryRewriter(""),
             Thread.currentThread().getContextClassLoader(),
-            null,
             ImmutableList.of(),
             ImmutableList.of("java/util/Collection"),
             ImmutableList.of(),
@@ -388,4 +375,27 @@ public class CoreLibrarySupportTest {
                 false))
         .isNull();
   }
+
+  @Test
+  public void testEmulatedMethod_nullExceptions() throws Exception {
+    CoreLibrarySupport.EmulatedMethod m =
+        CoreLibrarySupport.EmulatedMethod.create(1, Number.class, "a", "()V", null);
+    assertThat(m.access()).isEqualTo(1);
+    assertThat(m.owner()).isEqualTo(Number.class);
+    assertThat(m.name()).isEqualTo("a");
+    assertThat(m.descriptor()).isEqualTo("()V");
+    assertThat(m.exceptions()).isEmpty();
+  }
+
+  @Test
+  public void testEmulatedMethod_givenExceptions() throws Exception {
+    CoreLibrarySupport.EmulatedMethod m =
+        CoreLibrarySupport.EmulatedMethod.create(
+            1, Number.class, "a", "()V", new String[] {"b", "c"});
+    assertThat(m.access()).isEqualTo(1);
+    assertThat(m.owner()).isEqualTo(Number.class);
+    assertThat(m.name()).isEqualTo("a");
+    assertThat(m.descriptor()).isEqualTo("()V");
+    assertThat(m.exceptions()).containsExactly("b", "c").inOrder();
+  }
 }
diff --git a/test/java/com/google/devtools/build/android/desugar/CorePackageRenamerTest.java b/test/java/com/google/devtools/build/android/desugar/CorePackageRenamerTest.java
index 95d7b41..2bdd58b 100644
--- a/test/java/com/google/devtools/build/android/desugar/CorePackageRenamerTest.java
+++ b/test/java/com/google/devtools/build/android/desugar/CorePackageRenamerTest.java
@@ -35,7 +35,6 @@ public class CorePackageRenamerTest {
             new CoreLibrarySupport(
                 new CoreLibraryRewriter(""),
                 null,
-                null,
                 ImmutableList.of("java/time/"),
                 ImmutableList.of(),
                 ImmutableList.of("java/util/A#m->java/time/B"),