Ignore pause on debugger statement when breakpoints are disabled

test/cctest/test-debug.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 4309 matching lines @@
   }
 
   f->Call(context, env->Global(), 0, NULL).ToLocalChecked();
   CHECK_EQ(2, break_point_hit_count);
 
   // Get rid of the debug event listener.
   v8::Debug::SetDebugEventListener(env->GetIsolate(), nullptr);
   CheckDebuggerUnloaded(env->GetIsolate());
 }
 
+TEST(DisableDebuggerStatement) {
+  DebugLocalContext env;
+  v8::HandleScope scope(env->GetIsolate());
+
+  // Register a debug event listener which sets the break flag and counts.
+  v8::Debug::SetDebugEventListener(env->GetIsolate(), DebugEventCounter);
+  CompileRun("debugger;");
+  CHECK_EQ(1, break_point_hit_count);
+
+  // Check that we ignore debugger statement when breakpoints aren't active.
+  i::Isolate* isolate = reinterpret_cast<i::Isolate*>(env->GetIsolate());
+  isolate->debug()->set_break_points_active(false);
+  CompileRun("debugger;");
+  CHECK_EQ(1, break_point_hit_count);
+}
+
 static const char* kSimpleExtensionSource =
   "(function Foo() {"
   "  return 4;"
   "})() ";
 
 // http://crbug.com/28933
 // Test that debug break is disabled when bootstrapper is active.
 TEST(NoBreakWhenBootstrapping) {
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope scope(isolate);
@@ skipping 3709 matching lines @@
   CHECK_EQ(22, iterator->GetBreakLocation().position());
   iterator->Next();
   CHECK(iterator->GetBreakLocation().IsReturn());
   CHECK_EQ(50, iterator->GetBreakLocation().position());
   iterator->Next();
   CHECK(iterator->Done());
   delete iterator;
 
   DisableDebugger(isolate);
 }