93d49c39d8
... and use Name::hash() where the hash is expected to be computed. In particular, when we are dealing with internalized strings or symbols. Bug: v8:11074 Change-Id: Ida22f134fee0ddf2c9b962d1bcca6aa0b632af5f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2529451 Reviewed-by: Dominik Inführ <dinfuehr@chromium.org> Reviewed-by: Jakob Gruber <jgruber@chromium.org> Reviewed-by: Toon Verwaest <verwaest@chromium.org> Commit-Queue: Igor Sheludko <ishell@chromium.org> Cr-Commit-Position: refs/heads/master@{#71200}
82 lines
3.0 KiB
C++
82 lines
3.0 KiB
C++
// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Check that we can traverse very deep stacks of ConsStrings using
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// StringCharacterStram. Check that Get(int) works on very deep stacks
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// of ConsStrings. These operations may not be very fast, but they
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// should be possible without getting errors due to too deep recursion.
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#include "src/execution/isolate.h"
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#include "src/heap/factory.h"
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#include "src/objects/name-inl.h"
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#include "src/utils/ostreams.h"
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#include "src/objects/objects.h"
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#include "test/cctest/cctest.h"
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namespace v8 {
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namespace internal {
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TEST(Create) {
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CcTest::InitializeVM();
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Isolate* isolate = CcTest::i_isolate();
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HandleScope scope(isolate);
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const int kNumSymbols = 30;
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Handle<Symbol> symbols[kNumSymbols];
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StdoutStream os;
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for (int i = 0; i < kNumSymbols; ++i) {
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symbols[i] = isolate->factory()->NewSymbol();
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CHECK(symbols[i]->IsName());
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CHECK(symbols[i]->IsSymbol());
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CHECK(symbols[i]->HasHashCode());
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CHECK(symbols[i]->IsUniqueName());
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CHECK_GT(symbols[i]->hash(), 0u);
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os << Brief(*symbols[i]) << "\n";
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#if OBJECT_PRINT
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symbols[i]->Print(os);
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#endif
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#if VERIFY_HEAP
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symbols[i]->ObjectVerify(isolate);
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#endif
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}
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CcTest::CollectGarbage(i::NEW_SPACE);
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CcTest::CollectAllGarbage();
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// All symbols should be distinct.
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for (int i = 0; i < kNumSymbols; ++i) {
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CHECK(symbols[i]->SameValue(*symbols[i]));
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for (int j = i + 1; j < kNumSymbols; ++j) {
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CHECK(!symbols[i]->SameValue(*symbols[j]));
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}
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}
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}
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} // namespace internal
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} // namespace v8
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