Cleanup unused Dart API Dart_IdentityHash

runtime/vm/dart_api_impl_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 "vm/dart_api_impl.h"
 #include "bin/builtin.h"
 #include "include/dart_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 #include "include/dart_tools_api.h"
@@ skipping 641 matching lines @@
     EXPECT(Dart_IdentityEquals(lib1, lib1));
     EXPECT(Dart_IdentityEquals(lib2, lib2));
     EXPECT(!Dart_IdentityEquals(lib1, lib2));
 
     // Mix instance and non-instance.
     EXPECT(!Dart_IdentityEquals(lib1, nan1));
     EXPECT(!Dart_IdentityEquals(nan1, lib1));
   }
 }
 
-TEST_CASE(IdentityHash) {
-  Dart_Handle five = Dart_NewInteger(5);
-  Dart_Handle five_again = Dart_NewInteger(5);
-  Dart_Handle mint = Dart_NewInteger(0xFFFFFFFF);
-  Dart_Handle mint_again = Dart_NewInteger(0xFFFFFFFF);
-  Dart_Handle abc = NewString("abc");
-  // Dart_Handle abc_again = NewString("abc");
-  Dart_Handle xyz = NewString("xyz");
-  Dart_Handle dart_core = NewString("dart:core");
-  Dart_Handle dart_mirrors = NewString("dart:mirrors");
-
-  // Same objects.
-  EXPECT_EQ(Dart_IdentityHash(five), Dart_IdentityHash(five));
-  EXPECT_EQ(Dart_IdentityHash(mint), Dart_IdentityHash(mint));
-  EXPECT_EQ(Dart_IdentityHash(abc), Dart_IdentityHash(abc));
-  EXPECT_EQ(Dart_IdentityHash(xyz), Dart_IdentityHash(xyz));
-
-  // Equal objects with special spec rules.
-  EXPECT_EQ(Dart_IdentityHash(five), Dart_IdentityHash(five_again));
-  EXPECT_EQ(Dart_IdentityHash(mint), Dart_IdentityHash(mint_again));
-
-  // Note abc and abc_again are not required to have equal identity hashes.
-
-  // Case where identical() is not the same as pointer equality.
-  Dart_Handle nan1 = Dart_NewDouble(NAN);
-  Dart_Handle nan2 = Dart_NewDouble(NAN);
-  EXPECT_EQ(Dart_IdentityHash(nan1), Dart_IdentityHash(nan2));
-
-  // Non-instance objects.
-  {
-    CHECK_API_SCOPE(thread);
-    HANDLESCOPE(thread);
-    Dart_Handle lib1 = Dart_LookupLibrary(dart_core);
-    Dart_Handle lib2 = Dart_LookupLibrary(dart_mirrors);
-
-    EXPECT_EQ(Dart_IdentityHash(lib1), Dart_IdentityHash(lib1));
-    EXPECT_EQ(Dart_IdentityHash(lib2), Dart_IdentityHash(lib2));
-  }
-}
-
 TEST_CASE(ObjectEquals) {
   bool equal = false;
   Dart_Handle five = NewString("5");
   Dart_Handle five_again = NewString("5");
   Dart_Handle seven = NewString("7");
 
   // Same objects.
   EXPECT_VALID(Dart_ObjectEquals(five, five, &equal));
   EXPECT(equal);
 
@@ skipping 8922 matching lines @@
   EXPECT_VALID(result);
   result = Dart_FinalizeLoading(false);
   EXPECT_VALID(result);
   result = Dart_Invoke(lib, NewString("foozoo"), 0, NULL);
   EXPECT(Dart_IsError(result));
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart