diff options
author | Ryan Dahl <ry@tinyclouds.org> | 2009-11-18 15:25:58 +0100 |
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committer | Ryan Dahl <ry@tinyclouds.org> | 2009-11-18 15:28:54 +0100 |
commit | 728d8a37f471afaeaa6af19823f9da8c41f1f65a (patch) | |
tree | 21e014089ff0bfb7d493691620ab9eee51176d28 /deps/v8/test/cctest/test-strings.cc | |
parent | 8195e0f7232fed3d6a3a2cc8464fec5e36f4433c (diff) | |
download | node-new-728d8a37f471afaeaa6af19823f9da8c41f1f65a.tar.gz |
Upgrade v8 to 2.0
(With just one change: remove -Werror)
Diffstat (limited to 'deps/v8/test/cctest/test-strings.cc')
-rw-r--r-- | deps/v8/test/cctest/test-strings.cc | 173 |
1 files changed, 4 insertions, 169 deletions
diff --git a/deps/v8/test/cctest/test-strings.cc b/deps/v8/test/cctest/test-strings.cc index bb9a6f99af..0e9bf7a063 100644 --- a/deps/v8/test/cctest/test-strings.cc +++ b/deps/v8/test/cctest/test-strings.cc @@ -241,17 +241,6 @@ TEST(Traverse) { printf("6\n"); TraverseFirst(left_asymmetric, right_deep_asymmetric, 65536); printf("7\n"); - Handle<String> right_deep_slice = - Factory::NewStringSlice(left_deep_asymmetric, - left_deep_asymmetric->length() - 1050, - left_deep_asymmetric->length() - 50); - Handle<String> left_deep_slice = - Factory::NewStringSlice(right_deep_asymmetric, - right_deep_asymmetric->length() - 1050, - right_deep_asymmetric->length() - 50); - printf("8\n"); - Traverse(right_deep_slice, left_deep_slice); - printf("9\n"); FlattenString(left_asymmetric); printf("10\n"); Traverse(flat, left_asymmetric); @@ -269,60 +258,6 @@ TEST(Traverse) { } -static Handle<String> SliceOf(Handle<String> underlying) { - int start = gen() % underlying->length(); - int end = start + gen() % (underlying->length() - start); - return Factory::NewStringSlice(underlying, - start, - end); -} - - -static Handle<String> ConstructSliceTree( - Handle<String> building_blocks[NUMBER_OF_BUILDING_BLOCKS], - int from, - int to) { - CHECK(to > from); - if (to - from <= 1) - return SliceOf(building_blocks[from % NUMBER_OF_BUILDING_BLOCKS]); - if (to - from == 2) { - Handle<String> lhs = building_blocks[from % NUMBER_OF_BUILDING_BLOCKS]; - if (gen() % 2 == 0) - lhs = SliceOf(lhs); - Handle<String> rhs = building_blocks[(from+1) % NUMBER_OF_BUILDING_BLOCKS]; - if (gen() % 2 == 0) - rhs = SliceOf(rhs); - return Factory::NewConsString(lhs, rhs); - } - Handle<String> part1 = - ConstructBalancedHelper(building_blocks, from, from + ((to - from) / 2)); - Handle<String> part2 = - ConstructBalancedHelper(building_blocks, from + ((to - from) / 2), to); - Handle<String> branch = Factory::NewConsString(part1, part2); - if (gen() % 2 == 0) - return branch; - return(SliceOf(branch)); -} - - -TEST(Slice) { - printf("TestSlice\n"); - InitializeVM(); - v8::HandleScope scope; - Handle<String> building_blocks[NUMBER_OF_BUILDING_BLOCKS]; - ZoneScope zone(DELETE_ON_EXIT); - InitializeBuildingBlocks(building_blocks); - - seed = 42; - Handle<String> slice_tree = - ConstructSliceTree(building_blocks, 0, DEEP_DEPTH); - seed = 42; - Handle<String> flat_slice_tree = - ConstructSliceTree(building_blocks, 0, DEEP_DEPTH); - FlattenString(flat_slice_tree); - Traverse(flat_slice_tree, slice_tree); -} - static const int DEEP_ASCII_DEPTH = 100000; @@ -357,8 +292,10 @@ TEST(Utf8Conversion) { v8::HandleScope handle_scope; // A simple ascii string const char* ascii_string = "abcdef12345"; - int len = v8::String::New(ascii_string, strlen(ascii_string))->Utf8Length(); - CHECK_EQ(strlen(ascii_string), len); + int len = + v8::String::New(ascii_string, + StrLength(ascii_string))->Utf8Length(); + CHECK_EQ(StrLength(ascii_string), len); // A mixed ascii and non-ascii string // U+02E4 -> CB A4 // U+0064 -> 64 @@ -414,105 +351,3 @@ class TwoByteResource: public v8::String::ExternalStringResource { size_t length_; bool* destructed_; }; - - -// Regression test case for http://crbug.com/9746. The problem was -// that when we marked objects reachable only through weak pointers, -// we ended up keeping a sliced symbol alive, even though we already -// invoked the weak callback on the underlying external string thus -// deleting its resource. -TEST(Regress9746) { - InitializeVM(); - - // Setup lengths that guarantee we'll get slices instead of simple - // flat strings. - static const int kFullStringLength = String::kMinNonFlatLength * 2; - static const int kSliceStringLength = String::kMinNonFlatLength + 1; - - uint16_t* source = new uint16_t[kFullStringLength]; - for (int i = 0; i < kFullStringLength; i++) source[i] = '1'; - char* key = new char[kSliceStringLength]; - for (int i = 0; i < kSliceStringLength; i++) key[i] = '1'; - Vector<const char> key_vector(key, kSliceStringLength); - - // Allocate an external string resource that keeps track of when it - // is destructed. - bool resource_destructed = false; - TwoByteResource* resource = - new TwoByteResource(source, kFullStringLength, &resource_destructed); - - { - v8::HandleScope scope; - - // Allocate an external string resource and external string. We - // have to go through the API to get the weak handle and the - // automatic destruction going. - Handle<String> string = - v8::Utils::OpenHandle(*v8::String::NewExternal(resource)); - - // Create a slice of the external string. - Handle<String> slice = - Factory::NewStringSlice(string, 0, kSliceStringLength); - CHECK_EQ(kSliceStringLength, slice->length()); - CHECK(StringShape(*slice).IsSliced()); - - // Make sure the slice ends up in old space so we can morph it - // into a symbol. - while (Heap::InNewSpace(*slice)) { - Heap::PerformScavenge(); - } - - // Force the slice into the symbol table. - slice = Factory::SymbolFromString(slice); - CHECK(slice->IsSymbol()); - CHECK(StringShape(*slice).IsSliced()); - - Handle<String> buffer(Handle<SlicedString>::cast(slice)->buffer()); - CHECK(StringShape(*buffer).IsExternal()); - CHECK(buffer->IsTwoByteRepresentation()); - - // Finally, base a script on the slice of the external string and - // get its wrapper. This allocates yet another weak handle that - // indirectly refers to the external string. - Handle<Script> script = Factory::NewScript(slice); - Handle<JSObject> wrapper = GetScriptWrapper(script); - } - - // When we collect all garbage, we cannot get rid of the sliced - // symbol entry in the symbol table because it is used by the script - // kept alive by the weak wrapper. Make sure we don't destruct the - // external string. - Heap::CollectAllGarbage(false); - CHECK(!resource_destructed); - - { - v8::HandleScope scope; - - // Make sure the sliced symbol is still in the table. - Handle<String> symbol = Factory::LookupSymbol(key_vector); - CHECK(StringShape(*symbol).IsSliced()); - - // Make sure the buffer is still a two-byte external string. - Handle<String> buffer(Handle<SlicedString>::cast(symbol)->buffer()); - CHECK(StringShape(*buffer).IsExternal()); - CHECK(buffer->IsTwoByteRepresentation()); - } - - // Forcing another garbage collection should let us get rid of the - // slice from the symbol table. The external string remains in the - // heap until the next GC. - Heap::CollectAllGarbage(false); - CHECK(!resource_destructed); - v8::HandleScope scope; - Handle<String> key_string = Factory::NewStringFromAscii(key_vector); - String* out; - CHECK(!Heap::LookupSymbolIfExists(*key_string, &out)); - - // Forcing yet another garbage collection must allow us to finally - // get rid of the external string. - Heap::CollectAllGarbage(false); - CHECK(resource_destructed); - - delete[] source; - delete[] key; -} |