1 // Copyright 2013 the V8 project authors. All rights reserved.
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3 // modification, are permitted provided that the following conditions are
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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/v8.h"
34
35 #include "src/objects.h"
36 #include "src/ostreams.h"
37 #include "test/cctest/cctest.h"
38
39 using namespace v8::internal;
40
41
TEST(Create)42 TEST(Create) {
43 CcTest::InitializeVM();
44 Isolate* isolate = CcTest::i_isolate();
45 HandleScope scope(isolate);
46
47 const int kNumSymbols = 30;
48 Handle<Symbol> symbols[kNumSymbols];
49
50 OFStream os(stdout);
51 for (int i = 0; i < kNumSymbols; ++i) {
52 symbols[i] = isolate->factory()->NewSymbol();
53 CHECK(symbols[i]->IsName());
54 CHECK(symbols[i]->IsSymbol());
55 CHECK(symbols[i]->HasHashCode());
56 CHECK_GT(symbols[i]->Hash(), 0u);
57 os << Brief(*symbols[i]) << "\n";
58 #if OBJECT_PRINT
59 symbols[i]->Print(os);
60 #endif
61 #if VERIFY_HEAP
62 symbols[i]->ObjectVerify();
63 #endif
64 }
65
66 CcTest::heap()->CollectGarbage(i::NEW_SPACE);
67 CcTest::heap()->CollectAllGarbage();
68
69 // All symbols should be distinct.
70 for (int i = 0; i < kNumSymbols; ++i) {
71 CHECK(symbols[i]->SameValue(*symbols[i]));
72 for (int j = i + 1; j < kNumSymbols; ++j) {
73 CHECK(!symbols[i]->SameValue(*symbols[j]));
74 }
75 }
76 }
77