| // Copyright 2013 the V8 project authors. All rights reserved. |
| |
| // 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/v8.h" |
| |
| #include "src/objects.h" |
| #include "src/ostreams.h" |
| #include "test/cctest/cctest.h" |
| |
| using namespace v8::internal; |
| |
| |
| TEST(Create) { |
| CcTest::InitializeVM(); |
| Isolate* isolate = CcTest::i_isolate(); |
| HandleScope scope(isolate); |
| |
| const int kNumSymbols = 30; |
| Handle<Symbol> symbols[kNumSymbols]; |
| |
| OFStream os(stdout); |
| 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(), 0); |
| os << Brief(*symbols[i]) << "\n"; |
| #if OBJECT_PRINT |
| symbols[i]->Print(os); |
| #endif |
| #if VERIFY_HEAP |
| symbols[i]->ObjectVerify(); |
| #endif |
| } |
| |
| CcTest::heap()->CollectGarbage(i::NEW_SPACE); |
| CcTest::heap()->CollectAllGarbage(Heap::kNoGCFlags); |
| |
| // 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])); |
| } |
| } |
| } |