Fix vm/cc/Debug_StepInto test which relied on old defaults

runtime/vm/debugger_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_mirrors_api.h"
 #include "include/dart_tools_api.h"
 #include "platform/assert.h"
 #include "vm/dart_api_impl.h"
 #include "vm/lockers.h"
 #include "vm/unit_test.h"
@@ skipping 20 matching lines @@
   ASSERT(script_lib != NULL);
   ASSERT(!Dart_IsError(script_lib));
   ASSERT(Dart_IsLibrary(script_lib));
   Dart_Handle res = Dart_SetBreakpointAtEntry(script_lib,
                         NewString(cname),
                         NewString(fname));
   EXPECT(Dart_IsInteger(res));
 }
 
 
+static void DisableDebuggabilityOfDartColonLibraries() {
+  const char* dart_colon = "dart:";
+  const intptr_t dart_colon_length = strlen(dart_colon);
+  // Disable debuggability of all dart: libraries.
+  Dart_Handle library_ids = Dart_GetLibraryIds();
+  intptr_t library_ids_length;
+  Dart_ListLength(library_ids, &library_ids_length);
+  for (intptr_t i = 0; i < library_ids_length; i++) {
+    Dart_Handle library_id_handle = Dart_ListGetAt(library_ids, i);
+    int64_t library_id;
+    Dart_IntegerToInt64(library_id_handle, &library_id);
+    Dart_Handle library_url_handle = Dart_GetLibraryURL(library_id);
+    const char* library_url;
+    Dart_StringToCString(library_url_handle, &library_url);
+    if (strncmp(library_url, dart_colon, dart_colon_length) == 0) {
+      Dart_SetLibraryDebuggable(library_id, false);
+    } else {
+      Dart_SetLibraryDebuggable(library_id, true);
+    }
+  }
+}
+
+
 static Dart_Handle Invoke(const char* func_name) {
   ASSERT(script_lib != NULL);
   ASSERT(!Dart_IsError(script_lib));
   ASSERT(Dart_IsLibrary(script_lib));
   return Dart_Invoke(script_lib, NewString(func_name), 0, NULL);
 }
 
 
 static char const* ToCString(Dart_Handle str) {
   EXPECT(Dart_IsString(str));
@@ skipping 683 matching lines @@
       "  return o.kvmk(3, c:5); \n"
       "}                        \n"
       "                         \n"
       "main() {                 \n"
       "  return foo();          \n"
       "}                        \n";
 
   LoadScript(kScriptChars);
   Dart_SetPausedEventHandler(&TestStepIntoHandler);
 
+  DisableDebuggabilityOfDartColonLibraries();
+
   SetBreakpointAtEntry("", "main");
   breakpoint_hit = false;
   breakpoint_hit_counter = 0;
   Dart_Handle retval = Invoke("main");
   EXPECT_VALID(retval);
   EXPECT(Dart_IsInteger(retval));
   int64_t int_value = ToInt64(retval);
   EXPECT_EQ(7, int_value);
   EXPECT(breakpoint_hit == true);
   EXPECT(breakpoint_hit_counter == ARRAY_SIZE(step_into_expected_bpts));
@@ skipping 1581 matching lines @@
       " null, 5, 17, 5, 18, 9, 19, 12,"
       " null, 6, 21, 1,"
       " null, 8, 24, 1, 25, 5, 26, 6, 27, 8,"
       " null, 9, 29, 1]",
       tokens_cstr);
 }
 
 #endif
 
 }  // namespace dart