Line data Source code
1 : // Copyright 2013 the V8 project authors. All rights reserved.
2 : // Redistribution and use in source and binary forms, with or without
3 : // modification, are permitted provided that the following conditions are
4 : // met:
5 : //
6 : // * Redistributions of source code must retain the above copyright
7 : // notice, this list of conditions and the following disclaimer.
8 : // * Redistributions in binary form must reproduce the above
9 : // copyright notice, this list of conditions and the following
10 : // disclaimer in the documentation and/or other materials provided
11 : // with the distribution.
12 : // * Neither the name of Google Inc. nor the names of its
13 : // contributors may be used to endorse or promote products derived
14 : // from this software without specific prior written permission.
15 : //
16 : // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 : // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 : // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 : // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 : // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 : // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 : // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 : // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 : // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 : // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 : // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 :
28 : // Check that we can traverse very deep stacks of ConsStrings using
29 : // StringCharacterStram. Check that Get(int) works on very deep stacks
30 : // of ConsStrings. These operations may not be very fast, but they
31 : // should be possible without getting errors due to too deep recursion.
32 :
33 : #include "src/heap/factory.h"
34 : #include "src/isolate.h"
35 : #include "src/objects.h"
36 : #include "src/objects/name-inl.h"
37 : #include "src/ostreams.h"
38 : #include "test/cctest/cctest.h"
39 :
40 : namespace v8 {
41 : namespace internal {
42 :
43 25880 : TEST(Create) {
44 5 : CcTest::InitializeVM();
45 : Isolate* isolate = CcTest::i_isolate();
46 : HandleScope scope(isolate);
47 :
48 : const int kNumSymbols = 30;
49 155 : Handle<Symbol> symbols[kNumSymbols];
50 :
51 10 : StdoutStream os;
52 155 : for (int i = 0; i < kNumSymbols; ++i) {
53 150 : symbols[i] = isolate->factory()->NewSymbol();
54 450 : CHECK(symbols[i]->IsName());
55 300 : CHECK(symbols[i]->IsSymbol());
56 150 : CHECK(symbols[i]->HasHashCode());
57 150 : CHECK_GT(symbols[i]->Hash(), 0u);
58 150 : os << Brief(*symbols[i]) << "\n";
59 : #if OBJECT_PRINT
60 : symbols[i]->Print(os);
61 : #endif
62 : #if VERIFY_HEAP
63 : symbols[i]->ObjectVerify(isolate);
64 : #endif
65 : }
66 :
67 5 : CcTest::CollectGarbage(i::NEW_SPACE);
68 5 : CcTest::CollectAllGarbage();
69 :
70 : // All symbols should be distinct.
71 160 : for (int i = 0; i < kNumSymbols; ++i) {
72 450 : CHECK(symbols[i]->SameValue(*symbols[i]));
73 2325 : for (int j = i + 1; j < kNumSymbols; ++j) {
74 6525 : CHECK(!symbols[i]->SameValue(*symbols[j]));
75 : }
76 : }
77 5 : }
78 :
79 : } // namespace internal
80 77625 : } // namespace v8
|