[strong] Disallow implicit conversions for binary arithmetic operations

test/cctest/cctest.h

 // Copyright 2008 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 19 matching lines @@
 
 #include "src/v8.h"
 
 #ifndef TEST
 #define TEST(Name)                                                             \
   static void Test##Name();                                                    \
   CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, true, true);  \
   static void Test##Name()
 #endif
 
+#ifndef TEST_WITH_STRONG

[rossberg, 2015/04/23 13:29:37]

I'd prefer to move this elsewhere, it is a bit too specialised for this header.

[conradw, 2015/04/23 14:51:55]

Done.

+#define TEST_WITH_STRONG(Name)                                                 \
+  static void Test##Name();                                                    \
+  static void TestWithStrong##Name(LanguageMode language_mode);                \
+  CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, true, true);  \
+  static void Test##Name() {                                                   \
+    TestWithStrong##Name(LanguageMode::SLOPPY);                                \
+    TestWithStrong##Name(LanguageMode::STRONG);                                \
+  }                                                                            \
+  static void TestWithStrong##Name(LanguageMode language_mode)
+#endif
+
 #ifndef UNINITIALIZED_TEST
 #define UNINITIALIZED_TEST(Name)                                               \
   static void Test##Name();                                                    \
   CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, true, false); \
   static void Test##Name()
 #endif
 
 #ifndef DEPENDENT_TEST
 #define DEPENDENT_TEST(Name, Dep)                                              \
   static void Test##Name();                                                    \
@@ skipping 556 matching lines @@
   HandleAndZoneScope() {}
 
   // Prefixing the below with main_ reduces a lot of naming clashes.
   i::Zone* main_zone() { return &main_zone_; }
 
  private:
   i::Zone main_zone_;
 };
 
 #endif  // ifndef CCTEST_H_