// 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_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