v8/test/cctest/test-symbols.cc
Yang Guo dec3298d9c Move utility code to src/utils
NOPRESUBMIT=true
TBR=mstarzinger@chromium.org

Bug: v8:9247
Change-Id: I4cd6b79a1c2cba944f6f23caed59d4f1a4ee358b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1624217
Commit-Queue: Yang Guo <yangguo@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61790}
2019-05-23 14:13:34 +00:00

81 lines
3.0 KiB
C++

// 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