Fix for building sequence of identifiers and several tests.

[email protected], [email protected]

Bug: #32525
Change-Id: Iddc0a4825e98bf186e6c3da0fd24c81a95b96522
Reviewed-on: https://dart-review.googlesource.com/48501
Reviewed-by: Brian Wilkerson <[email protected]>
Commit-Queue: Konstantin Shcheglov <[email protected]>

Author: scheglov

pkg/analyzer/lib/src/summary/expr_builder.dart

@@ -333,7 +333,7 @@ class ExprBuilder {
         ..staticElement = element;
       return AstTestFactory.identifier(enclosing, identifier);
     }
-    if (element == null) {
+    if (requireValidConst && element == null) {
       throw const _InvalidConstantException();
     }
     SimpleIdentifier property = AstTestFactory.identifier3(info.name)

pkg/analyzer/test/src/summary/expr_builder_test.dart

@@ -322,6 +322,14 @@ class C {
         requireValidConst: true);
   }
 
+  void test_invokeConstructor_generic_hasTypeArguments() {
+    checkSimpleExpression('new Map<int, List<String>>()');
+  }
+
+  void test_invokeConstructor_generic_noTypeArguments() {
+    checkSimpleExpression('new Map()');
+  }
+
   void test_invokeMethod() {
     checkSimpleExpression('new C().foo(1, 2)', extraDeclarations: r'''
 class C {
@@ -330,6 +338,14 @@ class C {
 ''');
   }
 
+  void test_invokeMethod_namedArguments() {
+    checkSimpleExpression('new C().foo(a: 1, c: 3)', extraDeclarations: r'''
+class C {
+  int foo({int a, int b, int c}) => 0;
+}
+''');
+  }
+
   void test_invokeMethod_typeArguments() {
     checkSimpleExpression('new C().foo<int, double>(1, 2.3)',
         extraDeclarations: r'''
@@ -445,6 +461,18 @@ class C {
     checkSimpleExpression('int');
   }
 
+  void test_pushReference_sequence() {
+    checkSimpleExpression('a.b.f', extraDeclarations: r'''
+var a = new A();
+class A {
+  B b = new B();
+}
+class B {
+  int f = 0;
+}
+''');
+  }
+
   void test_pushString() {
     checkSimpleExpression("'foo'");
   }