Issue 22962. Adding/removing method/accessor body is a declartion mismatch.

pkg/analyzer/test/generated/incremental_resolver_test.dart

Index: pkg/analyzer/test/generated/incremental_resolver_test.dart
diff --git a/pkg/analyzer/test/generated/incremental_resolver_test.dart b/pkg/analyzer/test/generated/incremental_resolver_test.dart
index e8349ffeb3c196cb09b4cd5c4267f0613a632f04..8b664f98014ae062ce88ebf9814d3267451cefc6 100644
--- a/pkg/analyzer/test/generated/incremental_resolver_test.dart
+++ b/pkg/analyzer/test/generated/incremental_resolver_test.dart
@@ -910,6 +910,30 @@ main(int callback(int a, String b)) {
 ''');
   }
 
+  void test_false_getter_body_add() {
+    _assertDoesNotMatchOK(r'''
+class A {
+  int get foo;
+}
+''', r'''
+class A {
+  int get foo => 0;
+}
+''');
+  }
+
+  void test_false_getter_body_remove() {
+    _assertDoesNotMatchOK(r'''
+class A {
+  int get foo => 0;
+}
+''', r'''
+class A {
+  int get foo;
+}
+''');
+  }
+
   void test_false_implementsClause_add() {
     _assertDoesNotMatch(r'''
 class A {}
@@ -1088,6 +1112,30 @@ class A {
 ''');
   }
 
+  void test_false_method_body_add() {
+    _assertDoesNotMatchOK(r'''
+class A {
+  void foo();
+}
+''', r'''
+class A {
+  void foo() {}
+}
+''');
+  }
+
+  void test_false_method_body_remove() {
+    _assertDoesNotMatchOK(r'''
+class A {
+  void foo() {}
+}
+''', r'''
+class A {
+  void foo();
+}
+''');
+  }
+
   void test_false_method_generator_add() {
     _assertDoesNotMatchOK(r'''
 class A {
@@ -1622,6 +1670,30 @@ class B<T> = A<T> with M<T>;
 ''');
   }
 
+  void test_true_constructor_body_add() {
+    _assertMatches(r'''
+class A {
+  A(int p);
+}
+''', r'''
+class A {
+  A(int p) {}
+}
+''');
+  }
+
+  void test_true_constructor_body_remove() {
+    _assertMatches(r'''
+class A {
+  A(int p) {}
+}
+''', r'''
+class A {
+  A(int p);
+}
+''');
+  }
+
   void test_true_constructor_named_same() {
     _assertMatches(r'''
 class A {
@@ -3838,9 +3910,8 @@ class ResolutionContextBuilderTest extends EngineTestCase {
     unit.declarations.add(classNode);
     ClassElement classElement = ElementFactory.classElement2(className);
     classNode.name.staticElement = classElement;
-    (unit.element as CompilationUnitElementImpl).types = <ClassElement>[
-      classElement
-    ];
+    (unit.element as CompilationUnitElementImpl).types =
+        <ClassElement>[classElement];
     return classNode;
   }
 
@@ -3852,9 +3923,8 @@ class ResolutionContextBuilderTest extends EngineTestCase {
     unit.declarations.add(classNode);
     ClassElement classElement = ElementFactory.classElement2(className);
     classNode.name.staticElement = classElement;
-    (unit.element as CompilationUnitElementImpl).types = <ClassElement>[
-      classElement
-    ];
+    (unit.element as CompilationUnitElementImpl).types =
+        <ClassElement>[classElement];
     return classNode;
   }
 
@@ -3876,9 +3946,8 @@ class ResolutionContextBuilderTest extends EngineTestCase {
     ConstructorElement constructorElement =
         ElementFactory.constructorElement2(classNode.element, null);
     constructorNode.element = constructorElement;
-    (classNode.element as ClassElementImpl).constructors = <ConstructorElement>[
-      constructorElement
-    ];
+    (classNode.element as ClassElementImpl).constructors =
+        <ConstructorElement>[constructorElement];
     return constructorNode;
   }
 
@@ -3891,9 +3960,8 @@ class ResolutionContextBuilderTest extends EngineTestCase {
     FunctionElement functionElement =
         ElementFactory.functionElement(functionName);
     functionNode.name.staticElement = functionElement;
-    (unit.element as CompilationUnitElementImpl).functions = <FunctionElement>[
-      functionElement
-    ];
+    (unit.element as CompilationUnitElementImpl).functions =
+        <FunctionElement>[functionElement];
     return functionNode;
   }
 
@@ -3922,9 +3990,8 @@ class ResolutionContextBuilderTest extends EngineTestCase {
     MethodElement methodElement =
         ElementFactory.methodElement(methodName, null);
     methodNode.name.staticElement = methodElement;
-    (classNode.element as ClassElementImpl).methods = <MethodElement>[
-      methodElement
-    ];
+    (classNode.element as ClassElementImpl).methods =
+        <MethodElement>[methodElement];
     return methodNode;
   }