Issue 3593 - stop sharing v8::Isolate among tests

test/JsEngine.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 179 matching lines @@
 
 TEST(NewJsEngineTest, MemoryLeak_NoCircularReferences)
 {
   std::weak_ptr<AdblockPlus::JsEngine> weakJsEngine;
   {
     weakJsEngine = AdblockPlus::JsEngine::New();
   }
   EXPECT_FALSE(weakJsEngine.lock());
 }
 
-TEST(NewJsEngineTest, MemoryLeak_NoLeak)
+#if UINTPTR_MAX == UINT32_MAX // detection of 32-bit platform
+static_assert(sizeof(intptr_t) == 4, "It should be 32bit platform");
+TEST(NewJsEngineTest, 32bitsOnly_MemoryLeak_NoLeak)
+#else
+TEST(NewJsEngineTest, DISABLED_32bitsOnly_MemoryLeak_NoLeak)
+#endif
 {
   // v8::Isolate by default requires 32MB (depends on platform), so if there is
   // a memory leak than we will run out of memory on 32 bit platform because it
   // will allocate 32000 MB which is less than 2GB where it reaches out of
   // memory. Even on android where it allocates initially 16MB, the test still
   // makes sense.
   for (int i = 0; i < 1000; ++i)
   {
     AdblockPlus::JsEngine::New();
   }
 }