BREAKING CHANGE: enforce part of directive

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 5635 matching lines @@
   Dart_Handle result = Dart_LoadLibrary(url, source);
   EXPECT(Dart_IsError(result));
   EXPECT(strstr(Dart_GetError(result), "unexpected token ')'"));
 }
 
 
 TEST_CASE(LoadSource) {
   const char* kLibrary1Chars =
       "library library1_name;";
   const char* kSourceChars =
-      "// Something innocuous";
+      "part of library1_name;\n// Something innocuous";
   const char* kBadSourceChars =
       ")";
   Dart_Handle error = Dart_Error("incoming error");
   Dart_Handle result;
 
   // Load up a library.
   Dart_Handle url = NewString("library1_url");
   Dart_Handle source = NewString(kLibrary1Chars);
   Dart_Handle lib = Dart_LoadLibrary(url, source);
   EXPECT_VALID(lib);
@@ skipping 65 matching lines @@
 }
 
 
 TEST_CASE(LoadSource_LateLoad) {
   const char* kLibrary1Chars =
       "library library1_name;\n"
       "class OldClass {\n"
       "  foo() => 'foo';\n"
       "}\n";
   const char* kSourceChars =
+      "part of library1_name;\n"
       "class NewClass extends OldClass{\n"
       "  bar() => 'bar';\n"
       "}\n";
   Dart_Handle url = NewString("library1_url");
   Dart_Handle source = NewString(kLibrary1Chars);
   Dart_Handle lib = Dart_LoadLibrary(url, source);
   EXPECT_VALID(lib);
   EXPECT(Dart_IsLibrary(lib));
 
   // Call a dynamic function on OldClass.
@@ skipping 22 matching lines @@
   result_cstr = "";
   EXPECT_VALID(Dart_StringToCString(result, &result_cstr));
   EXPECT_STREQ("bar", result_cstr);
 }
 
 
 TEST_CASE(LoadPatch) {
   const char* kLibrary1Chars =
       "library library1_name;";
   const char* kSourceChars =
+      "part of library1_name;\n"
       "external int foo();";
   const char* kPatchChars =
       "patch int foo() => 42;";
 
   // Load up a library.
   Dart_Handle url = NewString("library1_url");
   Dart_Handle source = NewString(kLibrary1Chars);
   Dart_Handle lib = Dart_LoadLibrary(url, source);
   EXPECT_VALID(lib);
   EXPECT(Dart_IsLibrary(lib));
@@ skipping 1714 matching lines @@
 
   EXPECT(Dart_IsExternalString(str));
   for (intptr_t i = 0; i < kExpectedLen; i++) {
     EXPECT_EQ(expected_str[i], ext_str[i]);
   }
 }
 
 
 TEST_CASE(LazyLoadDeoptimizes) {
   const char* kLoadFirst =
+      "library L;\n"
       "start(a) {\n"
       "  var obj = (a == 1) ? createB() : new A();\n"
       "  for (int i = 0; i < 4000; i++) {\n"
       "    var res = obj.foo();\n"
       "    if (a == 1) { if (res != 1) throw 'Error'; }\n"
       "    else if (res != 2) throw 'Error'; \n"
       "  }\n"
       "}\n"
       "\n"
       "createB() => new B();"
       "\n"
       "class A {\n"
       "  foo() => goo();\n"
       "  goo() => 2;\n"
       "}\n";
   const char* kLoadSecond =
+      "part of L;"
       "class B extends A {\n"
       "  goo() => 1;\n"
       "}\n";
   Dart_Handle result;
   // Create a test library and Load up a test script in it.
   Dart_Handle lib1 = TestCase::LoadTestScript(kLoadFirst, NULL);
   Dart_Handle dart_args[1];
   dart_args[0] = Dart_NewInteger(0);
   result = Dart_Invoke(lib1, NewString("start"), 1, dart_args);
   EXPECT_VALID(result);
@@ skipping 66 matching lines @@
                                    NewString("main"),
                                    0,
                                    NULL);
   int64_t value = 0;
   result = Dart_IntegerToInt64(result, &value);
   EXPECT_VALID(result);
   EXPECT_EQ(260, value);
 }
 
 }  // namespace dart