Update entry class specification to export both the class and associated members.

PiperOrigin-RevId: 366359998

Author: Dino Oliva

tree_shaker/src/main/java/com/google/devtools/treeshaker/UsedCodeMarker.java

@@ -347,8 +347,9 @@ private MemberInfo popMethodScope() {
 
     private void startMethodDeclaration(
         String methodName, boolean isConstructor, boolean isStatic) {
-      boolean isExported = exportedMethods.contains(
-          getQualifiedMethodName(currentTypeNameScope.peek(), methodName));
+      boolean isExported =
+          exportedMethods.contains(getQualifiedMethodName(currentTypeNameScope.peek(), methodName))
+          || currentTypeInfoScope.peek().getExported();
       logger.atFine().log("Start Method: %s.%s : isConstructor: %s : isStatic: %s, exported: %b",
           currentTypeNameScope.peek(), methodName, isConstructor, isStatic, isExported);
       pushMethodScope(methodName,

tree_shaker/src/test/java/com/google/devtools/treeshaker/TreeShakerTest.java

@@ -124,11 +124,13 @@ public void testExportedClass() throws IOException {
     assertThat(getUnusedClasses(unused)).containsNoneOf("A", "b.c.C");
     assertThat(getUnusedClasses(unused)).containsExactly("b.B");
 
-    assertThat(getUnusedMethods(unused)).containsExactly(
+    assertThat(getUnusedMethods(unused)).containsNoneOf(
         getMethodName("A", "A", "()V"),
         getMethodName("A", "main", "([Ljava/lang/String;)V"),
         getMethodName("b.c.C", "C", "()V"),
         getMethodName("b.c.C", "c", "(Ljava/lang/String;)V"));
+
+    assertThat(getUnusedMethods(unused)).isEmpty();
   }
 
   public void testConstructorOverloads() throws IOException {
@@ -677,8 +679,8 @@ public void testWriteUnusedClasses() throws IOException {
   }
 
   public void testWriteUnusedConstructor() throws IOException {
-    addTreeShakerRootsFile("A");
-    addSourceFile("A.java", "class A { }");
+    addTreeShakerRootsFile("A:\n    a()");
+    addSourceFile("A.java", "class A { static void a() {}}");
     String output = writeUnused(findUnusedCode());
 
     assertThat(output).startsWith("A:\n");