Migrate test block 47 and downstream dependencies to Dart 2.0.

tests/language_2/class_literal_test.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import "package:expect/expect.dart";
 
 // Test class literal expressions.
 
 class Class {
   static fisk() => 42;
 }
 
 foo(x) {}
 
 main() {
   Expect.equals(42, Class.fisk());
   Expect.equals(null, foo(Class.fisk()));
 
   // Verify references to a class literal are allowed.
   Class;
+  var x = Class;
   foo(Class);
   Expect.isFalse(Class == null);
-  dynamic x = Class;
 
-  // Verify that dereferencing a class literal is a runtime error.
-  Expect.throws(() { x(); }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { x[0]; }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { var y = x[0]; }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { var y = x[0].field; }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { var y = x[0].method(); }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { foo(x()); }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { foo(x[0]); }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { foo(x[0].field); }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { foo(x[0].method()); }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { x[0] = 91; }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { x++; }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { ++x; }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { x[0] += 3; }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { ++x[0]; }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { x[0]++; }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { x.method(); }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { x.field; }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { var y = x.method(); }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { var y = x.field; }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { foo(x.method()); }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { foo(x.field); }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { x / 3; }, (e) => e is NoSuchMethodError);
-  Expect.throws(() { x += 3; }, (e) => e is NoSuchMethodError);
+  // Verify that dereferencing a class literal is a compile-time error.
+  // TODO(jcollins-g): several tests here seem to depend on being in their
+  // own namespace, but others do not.  More tests seem to also depend on
+  // the complexities of Expect.throws() for other, unknown reasons to trigger
+  // bugs in the VM as of this writing.
+  //
+  // Remove the legacy Expect.throws and namespaces around statements that don't
+  // need it after a careful examination of each case.
+  Expect.throws(() { Class(); }, (e) => e is NoSuchMethodError); //# 01: compile-time error
+  Expect.throws(() { Class[0]; }, (e) => e is NoSuchMethodError); //# 02: compile-time error
+  Expect.throws(() { var x = Class();}, (e) => e is NoSuchMethodError); //# 03: compile-time error
+  Expect.throws(() { var x = Class[0]; }, (e) => e is NoSuchMethodError); //# 04: compile-time error
+  Expect.throws(() { var x = Class[0].field; }, (e) => e is NoSuchMethodError); //# 05: compile-time error
+  Expect.throws(() { var x = Class[0].method(); }, (e) => e is NoSuchMethodError); //# 06: compile-time error
+  Expect.throws(() { foo(Class()); }, (e) => e is NoSuchMethodError); //# 07: compile-time error
+  Expect.throws(() { foo(Class[0]); }, (e) => e is NoSuchMethodError); //# 08: compile-time error
+  Expect.throws(() { foo(Class[0].field); }, (e) => e is NoSuchMethodError); //# 09: compile-time error
+  Expect.throws(() { foo(Class[0].method()); }, (e) => e is NoSuchMethodError); //# 10: compile-time error
+  Expect.throws(() { Class[0] = 91; }, (e) => e is NoSuchMethodError); //# 11: compile-time error
+  Expect.throws(() { Class++; }, (e) => e is NoSuchMethodError); //# 12: compile-time error
+  Expect.throws(() { ++Class; }, (e) => e is NoSuchMethodError); //# 13: compile-time error
+  Expect.throws(() { Class[0] += 3; }, (e) => e is NoSuchMethodError); //# 14: compile-time error
+  Expect.throws(() { ++Class[0]; }, (e) => e is NoSuchMethodError); //# 15: compile-time error
+  Expect.throws(() { Class[0]++; }, (e) => e is NoSuchMethodError); //# 16: compile-time error
+  Expect.throws(() { Class.method(); }, (e) => e is NoSuchMethodError); //# 17: compile-time error
+  Expect.throws(() { Class.field; }, (e) => e is NoSuchMethodError); //# 18: compile-time error
+  Expect.throws(() { var x = Class.method(); }, (e) => e is NoSuchMethodError); //# 19: compile-time error
+  Expect.throws(() { var x = Class.field; }, (e) => e is NoSuchMethodError); //# 20: compile-time error
+  Expect.throws(() { foo(Class.method()); }, (e) => e is NoSuchMethodError); //# 21: compile-time error
+  Expect.throws(() { foo(Class.field); }, (e) => e is NoSuchMethodError); //# 22: compile-time error
+  Expect.throws(() { Class / 3; }, (e) => e is NoSuchMethodError); //# 23: compile-time error
+  Expect.throws(() { Class += 3; }, (e) => e is NoSuchMethodError); //# 24: compile-time error
 
   // Verify that a class literal isn't a string literal.
   Expect.notEquals(Class, "Class");
 
   // Verify toString() works for class literals.
   Expect.isTrue((Class).toString() is String);
-  Expect.isTrue(x.toString() is String);
+  var y = Class;
+  Expect.isTrue(y.toString() is String);
+
+  Expect.throws(() { Class.toString(); }, (e) => e is NoSuchMethodError); //# 25: compile-time error
 }