Revert "Remove Expect from core library."

runtime/vm/dart_api_impl_test.cc

 // Copyright (c) 2012, 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.
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/json.h"
 #include "platform/utils.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
@@ skipping 6521 matching lines @@
       "  int bar30() { var func = foo3; return func(); }\n"
       "  int bar31(int i) { var func = foo3; return func(i); }\n"
       "  int bar32(int i, int j) { var func = foo3; return func(i, j); }\n"
       "  int bar41(int i) {\n"
       "    var func = foo4; return func(i); }\n"
       "  int bar42(int i, int j) {\n"
       "    var func = foo4; return func(i, j); }\n"
       "  int bar43(int i, int j, int k) {\n"
       "    var func = foo4; return func(i, j, k); }\n"
       "}\n"
-      "class Expect {\n"
-      "  static void equals(x, y) {\n"
-      "    if (x != y) throw new Error('not equal');\n"
-      "  }\n"
-      "}\n"
       "int testMain() {\n"
       "  Test obj = new Test();\n"
       "  Expect.equals(1, obj.foo1());\n"
       "  Expect.equals(1, obj.bar1());\n"
       "\n"
       "  Expect.equals(10, obj.foo2(10));\n"
       "  Expect.equals(10, obj.bar2(10));\n"
       "\n"
       "  Expect.equals(10001, obj.foo3());\n"
       "  Expect.equals(10001, obj.bar30());\n"
@@ skipping 118 matching lines @@
       "  int bar30() { var func = foo3; return func(); }\n"
       "  int bar31(int i) { var func = foo3; return func(i); }\n"
       "  int bar32(int i, int j) { var func = foo3; return func(i, j); }\n"
       "  int bar41(int i) {\n"
       "    var func = foo4; return func(i); }\n"
       "  int bar42(int i, int j) {\n"
       "    var func = foo4; return func(i, j); }\n"
       "  int bar43(int i, int j, int k) {\n"
       "    var func = foo4; return func(i, j, k); }\n"
       "}\n"
-      "class Expect {\n"
-      "  static void equals(x, y) {\n"
-      "    if (x != y) throw new Error('not equal');\n"
-      "  }\n"
-      "}\n"
       "int testMain() {\n"
       "  Test obj = new Test();\n"
       "  Expect.equals(0, Test.foo1());\n"
       "  Expect.equals(0, obj.bar1());\n"
       "\n"
       "  Expect.equals(10, Test.foo2(10));\n"
       "  Expect.equals(10, obj.bar2(10));\n"
       "\n"
       "  Expect.equals(10001, Test.foo3());\n"
       "  Expect.equals(10001, obj.bar30());\n"
@@ skipping 740 matching lines @@
                                    NULL);
   int64_t value = 0;
   result = Dart_IntegerToInt64(result, &value);
   EXPECT_VALID(result);
   EXPECT_EQ(260, value);
 }
 
 #endif  // defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64).
 
 }  // namespace dart