Add a method to convert unsigned C integer into V8 Integer.

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
===================================================================
--- test/cctest/test-api.cc	(revision 3009)
+++ test/cctest/test-api.cc	(working copy)
@@ -702,6 +702,75 @@
 }
 
 
+THREADED_TEST(TinyInteger) {
+  v8::HandleScope scope;
+  LocalContext env;
+  int32_t value = 239;
+  Local<v8::Integer> value_obj = v8::Integer::New(value);
+  CHECK_EQ(int64_t(value), value_obj->Value());
+}
+
+
+THREADED_TEST(BigSmiInteger) {
+  v8::HandleScope scope;
+  LocalContext env;
+  int32_t value = (1 << 30) - 1;
+  CHECK(i::Smi::IsValid(value));
+  CHECK(!i::Smi::IsValid(value + 1));
+  Local<v8::Integer> value_obj = v8::Integer::New(value);
+  CHECK_EQ(int64_t(value), value_obj->Value());
+}
+
+
+THREADED_TEST(BigInteger) {
+  v8::HandleScope scope;
+  LocalContext env;
+  int32_t value = (1 << 30) + 1;
+  CHECK(!i::Smi::IsValid(value));
+  Local<v8::Integer> value_obj = v8::Integer::New(value);
+  CHECK_EQ(int64_t(value), value_obj->Value());
+}
+
+
+THREADED_TEST(TinyUnsignedInteger) {
+  v8::HandleScope scope;
+  LocalContext env;
+  uint32_t value = 239;
+  Local<v8::Integer> value_obj = v8::Integer::New(value);
+  CHECK_EQ(int64_t(value), value_obj->Value());
+}
+
+
+THREADED_TEST(BigUnsignedSmiInteger) {
+  v8::HandleScope scope;
+  LocalContext env;
+  uint32_t value = (1 << 30) - 1;
+  CHECK(i::Smi::IsValid(value));
+  CHECK(!i::Smi::IsValid(value + 1));
+  Local<v8::Integer> value_obj = v8::Integer::New(value);
+  CHECK_EQ(int64_t(value), value_obj->Value());
+}
+
+
+THREADED_TEST(BigUnsignedInteger) {
+  v8::HandleScope scope;
+  LocalContext env;
+  uint32_t value = (1 << 30) + 1;
+  CHECK(!i::Smi::IsValid(value));
+  Local<v8::Integer> value_obj = v8::Integer::New(value);
+  CHECK_EQ(int64_t(value), value_obj->Value());
+}
+
+
+THREADED_TEST(OutOfSignedRangeUnsignedInteger) {
+  v8::HandleScope scope;
+  LocalContext env;
+  uint32_t value = uint32_t(0xffffffff);
+  Local<v8::Integer> value_obj = v8::Integer::New(value);
+  CHECK_EQ(int64_t(value), value_obj->Value());
+}
+
+
 THREADED_TEST(Number) {
   v8::HandleScope scope;
   LocalContext env;