text: // Copyright 2013 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
  //       with the distribution.
  //     * Neither the name of Google Inc. nor the names of its
  //       contributors may be used to endorse or promote products derived
  //       from this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  // Check that we can traverse very deep stacks of ConsStrings using
  // StringCharacterStram.  Check that Get(int) works on very deep stacks
  // of ConsStrings.  These operations may not be very fast, but they
  // should be possible without getting errors due to too deep recursion.
  
  #include "src/execution/isolate.h"
  #include "src/heap/factory.h"
  #include "src/objects/name-inl.h"
  #include "src/utils/ostreams.h"
  #include "src/objects/objects.h"
  #include "test/cctest/cctest.h"
  
  namespace v8 {
  namespace internal {
  
  TEST(Create) {
    CcTest::InitializeVM();
    Isolate* isolate = CcTest::i_isolate();
    HandleScope scope(isolate);
  
    const int kNumSymbols = 30;
    Handle<Symbol> symbols[kNumSymbols];
  
    StdoutStream os;
    for (int i = 0; i < kNumSymbols; ++i) {
      symbols[i] = isolate->factory()->NewSymbol();
      CHECK(symbols[i]->IsName());
      CHECK(symbols[i]->IsSymbol());
      CHECK(symbols[i]->HasHashCode());
      CHECK(symbols[i]->IsUniqueName());
      CHECK_GT(symbols[i]->hash(), 0u);
      os << Brief(*symbols[i]) << "\n";
  #if OBJECT_PRINT
      symbols[i]->Print(os);
  #endif
  #if VERIFY_HEAP
      symbols[i]->ObjectVerify(isolate);
  #endif
    }
  
    CcTest::CollectGarbage(i::NEW_SPACE);
    CcTest::CollectAllGarbage();
  
    // All symbols should be distinct.
    for (int i = 0; i < kNumSymbols; ++i) {
      CHECK(symbols[i]->SameValue(*symbols[i]));
      for (int j = i + 1; j < kNumSymbols; ++j) {
        CHECK(!symbols[i]->SameValue(*symbols[j]));
      }
    }
  }
  
  }  // namespace internal
  }  // namespace v8
  