Compute all default values of parameters.

pkg/analyzer/lib/src/generated/testing/test_type_provider.dart

Index: pkg/analyzer/lib/src/generated/testing/test_type_provider.dart
diff --git a/pkg/analyzer/lib/src/generated/testing/test_type_provider.dart b/pkg/analyzer/lib/src/generated/testing/test_type_provider.dart
index cdf0330dde6e2c0d0327897513e11dcc6774c4fd..d569da38f443d780f73d5ceb98f6d91c460f370a 100644
--- a/pkg/analyzer/lib/src/generated/testing/test_type_provider.dart
+++ b/pkg/analyzer/lib/src/generated/testing/test_type_provider.dart
@@ -11,6 +11,7 @@ import 'package:analyzer/src/dart/element/type.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/constant.dart';
 import 'package:analyzer/src/generated/resolver.dart';
+import 'package:analyzer/src/generated/scanner.dart';
 import 'package:analyzer/src/generated/testing/ast_factory.dart';
 import 'package:analyzer/src/generated/testing/element_factory.dart';
 
@@ -560,9 +561,13 @@ class TestTypeProvider implements TypeProvider {
     numElement.constructors = ConstructorElement.EMPTY_LIST;
     intElement.constructors = <ConstructorElement>[fromEnvironment];
     doubleElement.constructors = ConstructorElement.EMPTY_LIST;
+    ConstFieldElementImpl varINFINITY =
+        ElementFactory.fieldElement("INFINITY", true, false, true, _doubleType);
+    varINFINITY.constantInitializer = AstFactory.binaryExpression(
+        AstFactory.integer(1), TokenType.SLASH, AstFactory.integer(0));
     List<FieldElement> fields = <FieldElement>[
       ElementFactory.fieldElement("NAN", true, false, true, _doubleType),
-      ElementFactory.fieldElement("INFINITY", true, false, true, _doubleType),
+      varINFINITY,
       ElementFactory.fieldElement(
           "NEGATIVE_INFINITY", true, false, true, _doubleType),
       ElementFactory.fieldElement(