Add integer min/max constants to globals.h

runtime/vm/object_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 "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
 #include "vm/isolate.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
@@ skipping 204 matching lines @@
 
   EXPECT(smi.Equals(Smi::Handle(Smi::New(5))));
   EXPECT(!smi.Equals(Smi::Handle(Smi::New(6))));
   EXPECT(smi.Equals(smi));
   EXPECT(!smi.Equals(Smi::Handle()));
 
   EXPECT(Smi::IsValid(0));
   EXPECT(Smi::IsValid(-15));
   // Upper two bits must be either 00 or 11.
 #if defined(ARCH_IS_64_BIT)
-  EXPECT(!Smi::IsValid(0x7FFFFFFFFFFFFFFF));
+  EXPECT(!Smi::IsValid(kMaxInt64));
   EXPECT(Smi::IsValid(0x3FFFFFFFFFFFFFFF));
   EXPECT(Smi::IsValid(0xFFFFFFFFFFFFFFFF));
 #else
-  EXPECT(!Smi::IsValid(0x7FFFFFFF));
+  EXPECT(!Smi::IsValid(kMaxInt32));
   EXPECT(Smi::IsValid(0x3FFFFFFF));
   EXPECT(Smi::IsValid(0xFFFFFFFF));
 #endif
 
   EXPECT_EQ(5, smi.AsInt64Value());
   EXPECT_EQ(5.0, smi.AsDoubleValue());
 
   Smi& a = Smi::Handle(Smi::New(5));
   Smi& b = Smi::Handle(Smi::New(3));
   EXPECT_EQ(1, a.CompareWith(b));
@@ skipping 2149 matching lines @@
     cls = iterator.GetNextClass();
     ASSERT((cls.raw() == ae66.raw()) || (cls.raw() == re44.raw()));
     count++;
   }
   ASSERT(count == 2);
 }
 
 #endif  // defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64).
 
 }  // namespace dart