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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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1031 CHECK(v8::Utils::OpenHandle(*underlying)->IsSeqOneByteString()); | 1031 CHECK(v8::Utils::OpenHandle(*underlying)->IsSeqOneByteString()); |
1032 | 1032 |
1033 int length = underlying->Length(); | 1033 int length = underlying->Length(); |
1034 uc16* two_byte = NewArray<uc16>(length + 1); | 1034 uc16* two_byte = NewArray<uc16>(length + 1); |
1035 underlying->Write(two_byte); | 1035 underlying->Write(two_byte); |
1036 Resource* resource = new Resource(two_byte, length); | 1036 Resource* resource = new Resource(two_byte, length); |
1037 CHECK(underlying->MakeExternal(resource)); | 1037 CHECK(underlying->MakeExternal(resource)); |
1038 CHECK(v8::Utils::OpenHandle(*slice)->IsSlicedString()); | 1038 CHECK(v8::Utils::OpenHandle(*slice)->IsSlicedString()); |
1039 CHECK(v8::Utils::OpenHandle(*underlying)->IsExternalTwoByteString()); | 1039 CHECK(v8::Utils::OpenHandle(*underlying)->IsExternalTwoByteString()); |
1040 | 1040 |
1041 CHECK_EQ(0, | 1041 CHECK_EQ("\"bcdefghijklmnopqrstuvwxyz\"", |
1042 strcmp("\"bcdefghijklmnopqrstuvwxyz\"", | 1042 *v8::String::Utf8Value(CompileRun("JSON.stringify(slice)"))); |
1043 *v8::String::Utf8Value(CompileRun("JSON.stringify(slice)")))); | |
1044 } | 1043 } |
1045 | 1044 |
1046 | 1045 |
1047 TEST(CachedHashOverflow) { | 1046 TEST(CachedHashOverflow) { |
1048 CcTest::InitializeVM(); | 1047 CcTest::InitializeVM(); |
1049 // We incorrectly allowed strings to be tagged as array indices even if their | 1048 // We incorrectly allowed strings to be tagged as array indices even if their |
1050 // values didn't fit in the hash field. | 1049 // values didn't fit in the hash field. |
1051 // See http://code.google.com/p/v8/issues/detail?id=728 | 1050 // See http://code.google.com/p/v8/issues/detail?id=728 |
1052 Isolate* isolate = CcTest::i_isolate(); | 1051 Isolate* isolate = CcTest::i_isolate(); |
1053 | 1052 |
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1165 CHECK(result->IsString()); | 1164 CHECK(result->IsString()); |
1166 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); | 1165 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); |
1167 CHECK(!string->IsSlicedString()); | 1166 CHECK(!string->IsSlicedString()); |
1168 | 1167 |
1169 string = factory->NewSubString(string, 0, 26); | 1168 string = factory->NewSubString(string, 0, 26); |
1170 CHECK(!string->IsSlicedString()); | 1169 CHECK(!string->IsSlicedString()); |
1171 result = CompileRun(crosscheck); | 1170 result = CompileRun(crosscheck); |
1172 CHECK(result->IsString()); | 1171 CHECK(result->IsString()); |
1173 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); | 1172 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); |
1174 CHECK(string->IsSlicedString()); | 1173 CHECK(string->IsSlicedString()); |
1175 CHECK_EQ(0, strcmp("bcdefghijklmnopqrstuvwxy", string->ToCString().get())); | 1174 CHECK_EQ("bcdefghijklmnopqrstuvwxy", string->ToCString().get()); |
1176 } | 1175 } |
1177 | 1176 |
1178 | 1177 |
1179 TEST(SliceFromSlice) { | 1178 TEST(SliceFromSlice) { |
1180 // This tests whether a slice that contains the entire parent string | 1179 // This tests whether a slice that contains the entire parent string |
1181 // actually creates a new string (it should not). | 1180 // actually creates a new string (it should not). |
1182 FLAG_string_slices = true; | 1181 FLAG_string_slices = true; |
1183 CcTest::InitializeVM(); | 1182 CcTest::InitializeVM(); |
1184 v8::HandleScope scope(CcTest::isolate()); | 1183 v8::HandleScope scope(CcTest::isolate()); |
1185 v8::Local<v8::Value> result; | 1184 v8::Local<v8::Value> result; |
1186 Handle<String> string; | 1185 Handle<String> string; |
1187 const char* init = "var str = 'abcdefghijklmnopqrstuvwxyz';"; | 1186 const char* init = "var str = 'abcdefghijklmnopqrstuvwxyz';"; |
1188 const char* slice = "var slice = ''; slice = str.slice(1,-1); slice"; | 1187 const char* slice = "var slice = ''; slice = str.slice(1,-1); slice"; |
1189 const char* slice_from_slice = "slice.slice(1,-1);"; | 1188 const char* slice_from_slice = "slice.slice(1,-1);"; |
1190 | 1189 |
1191 CompileRun(init); | 1190 CompileRun(init); |
1192 result = CompileRun(slice); | 1191 result = CompileRun(slice); |
1193 CHECK(result->IsString()); | 1192 CHECK(result->IsString()); |
1194 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); | 1193 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); |
1195 CHECK(string->IsSlicedString()); | 1194 CHECK(string->IsSlicedString()); |
1196 CHECK(SlicedString::cast(*string)->parent()->IsSeqString()); | 1195 CHECK(SlicedString::cast(*string)->parent()->IsSeqString()); |
1197 CHECK_EQ(0, strcmp("bcdefghijklmnopqrstuvwxy", string->ToCString().get())); | 1196 CHECK_EQ("bcdefghijklmnopqrstuvwxy", string->ToCString().get()); |
1198 | 1197 |
1199 result = CompileRun(slice_from_slice); | 1198 result = CompileRun(slice_from_slice); |
1200 CHECK(result->IsString()); | 1199 CHECK(result->IsString()); |
1201 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); | 1200 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); |
1202 CHECK(string->IsSlicedString()); | 1201 CHECK(string->IsSlicedString()); |
1203 CHECK(SlicedString::cast(*string)->parent()->IsSeqString()); | 1202 CHECK(SlicedString::cast(*string)->parent()->IsSeqString()); |
1204 CHECK_EQ(0, strcmp("cdefghijklmnopqrstuvwx", string->ToCString().get())); | 1203 CHECK_EQ("cdefghijklmnopqrstuvwx", string->ToCString().get()); |
1205 } | 1204 } |
1206 | 1205 |
1207 | 1206 |
1208 UNINITIALIZED_TEST(OneByteArrayJoin) { | 1207 UNINITIALIZED_TEST(OneByteArrayJoin) { |
1209 v8::Isolate::CreateParams create_params; | 1208 v8::Isolate::CreateParams create_params; |
1210 // Set heap limits. | 1209 // Set heap limits. |
1211 create_params.constraints.set_max_semi_space_size(1); | 1210 create_params.constraints.set_max_semi_space_size(1); |
1212 create_params.constraints.set_max_old_space_size(4); | 1211 create_params.constraints.set_max_old_space_size(4); |
1213 v8::Isolate* isolate = v8::Isolate::New(create_params); | 1212 v8::Isolate* isolate = v8::Isolate::New(create_params); |
1214 isolate->Enter(); | 1213 isolate->Enter(); |
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1257 CheckException("%_SubString(short, -1234, 5);"); | 1256 CheckException("%_SubString(short, -1234, 5);"); |
1258 CheckException("%_SubString(short, 5, 2);"); | 1257 CheckException("%_SubString(short, 5, 2);"); |
1259 // Special HeapNumbers. | 1258 // Special HeapNumbers. |
1260 CheckException("%_SubString(short, 1, Infinity);"); | 1259 CheckException("%_SubString(short, 1, Infinity);"); |
1261 CheckException("%_SubString(short, NaN, 5);"); | 1260 CheckException("%_SubString(short, NaN, 5);"); |
1262 // String arguments. | 1261 // String arguments. |
1263 CheckException("%_SubString(short, '2', '5');"); | 1262 CheckException("%_SubString(short, '2', '5');"); |
1264 // Ordinary HeapNumbers can be handled (in runtime). | 1263 // Ordinary HeapNumbers can be handled (in runtime). |
1265 result = CompileRun("%_SubString(short, Math.sqrt(4), 5.1);"); | 1264 result = CompileRun("%_SubString(short, Math.sqrt(4), 5.1);"); |
1266 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); | 1265 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); |
1267 CHECK_EQ(0, strcmp("cde", string->ToCString().get())); | 1266 CHECK_EQ("cde", string->ToCString().get()); |
1268 | 1267 |
1269 CompileRun("var long = 'abcdefghijklmnopqrstuvwxyz';"); | 1268 CompileRun("var long = 'abcdefghijklmnopqrstuvwxyz';"); |
1270 // Invalid indices. | 1269 // Invalid indices. |
1271 CheckException("%_SubString(long, 0, 10000);"); | 1270 CheckException("%_SubString(long, 0, 10000);"); |
1272 CheckException("%_SubString(long, -1234, 17);"); | 1271 CheckException("%_SubString(long, -1234, 17);"); |
1273 CheckException("%_SubString(long, 17, 2);"); | 1272 CheckException("%_SubString(long, 17, 2);"); |
1274 // Special HeapNumbers. | 1273 // Special HeapNumbers. |
1275 CheckException("%_SubString(long, 1, Infinity);"); | 1274 CheckException("%_SubString(long, 1, Infinity);"); |
1276 CheckException("%_SubString(long, NaN, 17);"); | 1275 CheckException("%_SubString(long, NaN, 17);"); |
1277 // String arguments. | 1276 // String arguments. |
1278 CheckException("%_SubString(long, '2', '17');"); | 1277 CheckException("%_SubString(long, '2', '17');"); |
1279 // Ordinary HeapNumbers within bounds can be handled (in runtime). | 1278 // Ordinary HeapNumbers within bounds can be handled (in runtime). |
1280 result = CompileRun("%_SubString(long, Math.sqrt(4), 17.1);"); | 1279 result = CompileRun("%_SubString(long, Math.sqrt(4), 17.1);"); |
1281 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); | 1280 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); |
1282 CHECK_EQ(0, strcmp("cdefghijklmnopq", string->ToCString().get())); | 1281 CHECK_EQ("cdefghijklmnopq", string->ToCString().get()); |
1283 | 1282 |
1284 // Test that out-of-bounds substring of a slice fails when the indices | 1283 // Test that out-of-bounds substring of a slice fails when the indices |
1285 // would have been valid for the underlying string. | 1284 // would have been valid for the underlying string. |
1286 CompileRun("var slice = long.slice(1, 15);"); | 1285 CompileRun("var slice = long.slice(1, 15);"); |
1287 CheckException("%_SubString(slice, 0, 17);"); | 1286 CheckException("%_SubString(slice, 0, 17);"); |
1288 } | 1287 } |
1289 | 1288 |
1290 | 1289 |
1291 namespace { | 1290 namespace { |
1292 | 1291 |
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1452 CHECK(isolate->has_pending_exception()); \ | 1451 CHECK(isolate->has_pending_exception()); \ |
1453 isolate->clear_pending_exception(); \ | 1452 isolate->clear_pending_exception(); \ |
1454 dummy.Dispose(); \ | 1453 dummy.Dispose(); \ |
1455 } | 1454 } |
1456 | 1455 |
1457 INVALID_STRING_TEST(NewStringFromAscii, char) | 1456 INVALID_STRING_TEST(NewStringFromAscii, char) |
1458 INVALID_STRING_TEST(NewStringFromUtf8, char) | 1457 INVALID_STRING_TEST(NewStringFromUtf8, char) |
1459 INVALID_STRING_TEST(NewStringFromOneByte, uint8_t) | 1458 INVALID_STRING_TEST(NewStringFromOneByte, uint8_t) |
1460 | 1459 |
1461 #undef INVALID_STRING_TEST | 1460 #undef INVALID_STRING_TEST |
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