Add support for surrogates when serializing and deserializing for native ports

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/class_finalizer.h"
 #include "vm/isolate.h"
 #include "vm/object.h"
@@ skipping 1655 matching lines @@
   EXPECT_EQ(0xE7, it1.Current());
   EXPECT(it1.Next());
   EXPECT_EQ(' ', it1.Current());
   EXPECT(!it1.Next());
 
   const String& str2 = String::Handle(String::New("\xD7\x92\xD7\x9C"
                                                   "\xD7\xA2\xD7\x93"
                                                   "\xD7\x91\xD7\xA8"
                                                   "\xD7\x9B\xD7\x94"));
   String::CodePointIterator it2(str2);
-  EXPECT(it2.Next());
-  EXPECT_EQ(0x5D2, it2.Current());
-  EXPECT(it2.Next());
-  EXPECT_EQ(0x5DC, it2.Current());
-  EXPECT(it2.Next());
-  EXPECT_EQ(0x5E2, it2.Current());
-  EXPECT(it2.Next());
-  EXPECT_EQ(0x5D3, it2.Current());
-  EXPECT(it2.Next());
-  EXPECT_EQ(0x5D1, it2.Current());
-  EXPECT(it2.Next());
-  EXPECT_EQ(0x5E8, it2.Current());
-  EXPECT(it2.Next());
-  EXPECT_EQ(0x5DB, it2.Current());
-  EXPECT(it2.Next());
-  EXPECT_EQ(0x5D4, it2.Current());
-  EXPECT(!it2.Next());
+  int loop_count = 0;
+  while (loop_count < 3) {
+    EXPECT(it2.Next());
+    EXPECT_EQ(0x5D2, it2.Current());
+    EXPECT(it2.Next());
+    EXPECT_EQ(0x5DC, it2.Current());
+    EXPECT(it2.Next());
+    EXPECT_EQ(0x5E2, it2.Current());
+    EXPECT(it2.Next());
+    EXPECT_EQ(0x5D3, it2.Current());
+    EXPECT(it2.Next());
+    EXPECT_EQ(0x5D1, it2.Current());
+    EXPECT(it2.Next());
+    EXPECT_EQ(0x5E8, it2.Current());
+    EXPECT(it2.Next());
+    EXPECT_EQ(0x5DB, it2.Current());
+    EXPECT(it2.Next());
+    EXPECT_EQ(0x5D4, it2.Current());
+    EXPECT(!it2.Next());
+    loop_count++;
+    it2.Reset();
+  }
 
   const String& str3 = String::Handle(String::New("\xF0\x9D\x91\xA0"
                                                   "\xF0\x9D\x91\xA1"
                                                   "\xF0\x9D\x91\xA2"
                                                   "\xF0\x9D\x91\xA3"));
   String::CodePointIterator it3(str3);
   EXPECT(it3.Next());
   EXPECT_EQ(0x1D460, it3.Current());
   EXPECT(it3.Next());
   EXPECT_EQ(0x1D461, it3.Current());
@@ skipping 1542 matching lines @@
   EXPECT_NE(test1.SourceFingerprint(), test3.SourceFingerprint());
   EXPECT_NE(test3.SourceFingerprint(), test4.SourceFingerprint());
   EXPECT_NE(test4.SourceFingerprint(), test5.SourceFingerprint());
   EXPECT_NE(test5.SourceFingerprint(), test6.SourceFingerprint());
   EXPECT_EQ(test6.SourceFingerprint(), test7.SourceFingerprint());
 }
 
 #endif  // defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64).
 
 }  // namespace dart