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authorRyan Dahl <ry@tinyclouds.org>2009-11-18 15:25:58 +0100
committerRyan Dahl <ry@tinyclouds.org>2009-11-18 15:28:54 +0100
commit728d8a37f471afaeaa6af19823f9da8c41f1f65a (patch)
tree21e014089ff0bfb7d493691620ab9eee51176d28 /deps/v8/test/cctest/test-strings.cc
parent8195e0f7232fed3d6a3a2cc8464fec5e36f4433c (diff)
downloadnode-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.cc173
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;
-}