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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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1188 public: | 1188 public: |
1189 explicit OneByteVectorResource(i::Vector<const char> vector) | 1189 explicit OneByteVectorResource(i::Vector<const char> vector) |
1190 : data_(vector) {} | 1190 : data_(vector) {} |
1191 virtual ~OneByteVectorResource() {} | 1191 virtual ~OneByteVectorResource() {} |
1192 virtual size_t length() const { return data_.length(); } | 1192 virtual size_t length() const { return data_.length(); } |
1193 virtual const char* data() const { return data_.start(); } | 1193 virtual const char* data() const { return data_.start(); } |
1194 private: | 1194 private: |
1195 i::Vector<const char> data_; | 1195 i::Vector<const char> data_; |
1196 }; | 1196 }; |
1197 | 1197 |
1198 TEST(InternalizeExternal) { | |
1199 i::Isolate* isolate = CcTest::i_isolate(); | |
1200 Factory* factory = isolate->factory(); | |
1201 // This won't leak; the external string mechanism will call Dispose() on it. | |
1202 OneByteVectorResource* resource = | |
1203 new OneByteVectorResource(i::Vector<const char>("prop", 4)); | |
1204 { | |
1205 v8::HandleScope scope(CcTest::isolate()); | |
1206 v8::Local<v8::String> ext_string = | |
1207 v8::String::NewExternalOneByte(CcTest::isolate(), resource) | |
1208 .ToLocalChecked(); | |
1209 Handle<String> string = v8::Utils::OpenHandle(*ext_string); | |
1210 CHECK(string->IsExternalString()); | |
1211 CHECK(!string->IsInternalizedString()); | |
1212 CHECK(isolate->heap()->InNewSpace(*string)); | |
1213 factory->InternalizeName(string); | |
1214 CHECK(string->IsThinString()); | |
1215 CcTest::CollectGarbage(i::NEW_SPACE); | |
1216 CcTest::CollectGarbage(i::NEW_SPACE); | |
1217 CHECK(string->IsInternalizedString()); | |
1218 CHECK(!isolate->heap()->InNewSpace(*string)); | |
1219 } | |
1220 CcTest::CollectGarbage(i::OLD_SPACE); | |
1221 CcTest::CollectGarbage(i::OLD_SPACE); | |
1222 } | |
1223 | 1198 |
1224 TEST(SliceFromExternal) { | 1199 TEST(SliceFromExternal) { |
1225 FLAG_string_slices = true; | 1200 FLAG_string_slices = true; |
1226 CcTest::InitializeVM(); | 1201 CcTest::InitializeVM(); |
1227 Factory* factory = CcTest::i_isolate()->factory(); | 1202 Factory* factory = CcTest::i_isolate()->factory(); |
1228 v8::HandleScope scope(CcTest::isolate()); | 1203 v8::HandleScope scope(CcTest::isolate()); |
1229 OneByteVectorResource resource( | 1204 OneByteVectorResource resource( |
1230 i::Vector<const char>("abcdefghijklmnopqrstuvwxyz", 26)); | 1205 i::Vector<const char>("abcdefghijklmnopqrstuvwxyz", 26)); |
1231 Handle<String> string = | 1206 Handle<String> string = |
1232 factory->NewExternalStringFromOneByte(&resource).ToHandleChecked(); | 1207 factory->NewExternalStringFromOneByte(&resource).ToHandleChecked(); |
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1662 CHECK_EQ(1, CompileRun("external.indexOf('', 1)") | 1637 CHECK_EQ(1, CompileRun("external.indexOf('', 1)") |
1663 ->Int32Value(context.local()) | 1638 ->Int32Value(context.local()) |
1664 .FromJust()); | 1639 .FromJust()); |
1665 CHECK_EQ(-1, CompileRun("external.indexOf('a', 1)") | 1640 CHECK_EQ(-1, CompileRun("external.indexOf('a', 1)") |
1666 ->Int32Value(context.local()) | 1641 ->Int32Value(context.local()) |
1667 .FromJust()); | 1642 .FromJust()); |
1668 CHECK_EQ(-1, CompileRun("external.indexOf('$')") | 1643 CHECK_EQ(-1, CompileRun("external.indexOf('$')") |
1669 ->Int32Value(context.local()) | 1644 ->Int32Value(context.local()) |
1670 .FromJust()); | 1645 .FromJust()); |
1671 } | 1646 } |
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