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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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1168 CHECK(result->IsString()); | 1168 CHECK(result->IsString()); |
1169 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); | 1169 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); |
1170 CHECK(!string->IsSlicedString()); | 1170 CHECK(!string->IsSlicedString()); |
1171 | 1171 |
1172 string = factory->NewSubString(string, 0, 26); | 1172 string = factory->NewSubString(string, 0, 26); |
1173 CHECK(!string->IsSlicedString()); | 1173 CHECK(!string->IsSlicedString()); |
1174 result = CompileRun(crosscheck); | 1174 result = CompileRun(crosscheck); |
1175 CHECK(result->IsString()); | 1175 CHECK(result->IsString()); |
1176 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); | 1176 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); |
1177 CHECK(string->IsSlicedString()); | 1177 CHECK(string->IsSlicedString()); |
1178 CHECK_EQ("bcdefghijklmnopqrstuvwxy", *(string->ToCString())); | 1178 CHECK_EQ("bcdefghijklmnopqrstuvwxy", string->ToCString().get()); |
1179 } | 1179 } |
1180 | 1180 |
1181 | 1181 |
1182 TEST(SliceFromSlice) { | 1182 TEST(SliceFromSlice) { |
1183 // This tests whether a slice that contains the entire parent string | 1183 // This tests whether a slice that contains the entire parent string |
1184 // actually creates a new string (it should not). | 1184 // actually creates a new string (it should not). |
1185 FLAG_string_slices = true; | 1185 FLAG_string_slices = true; |
1186 CcTest::InitializeVM(); | 1186 CcTest::InitializeVM(); |
1187 v8::HandleScope scope(CcTest::isolate()); | 1187 v8::HandleScope scope(CcTest::isolate()); |
1188 v8::Local<v8::Value> result; | 1188 v8::Local<v8::Value> result; |
1189 Handle<String> string; | 1189 Handle<String> string; |
1190 const char* init = "var str = 'abcdefghijklmnopqrstuvwxyz';"; | 1190 const char* init = "var str = 'abcdefghijklmnopqrstuvwxyz';"; |
1191 const char* slice = "var slice = str.slice(1,-1); slice"; | 1191 const char* slice = "var slice = str.slice(1,-1); slice"; |
1192 const char* slice_from_slice = "slice.slice(1,-1);"; | 1192 const char* slice_from_slice = "slice.slice(1,-1);"; |
1193 | 1193 |
1194 CompileRun(init); | 1194 CompileRun(init); |
1195 result = CompileRun(slice); | 1195 result = CompileRun(slice); |
1196 CHECK(result->IsString()); | 1196 CHECK(result->IsString()); |
1197 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); | 1197 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); |
1198 CHECK(string->IsSlicedString()); | 1198 CHECK(string->IsSlicedString()); |
1199 CHECK(SlicedString::cast(*string)->parent()->IsSeqString()); | 1199 CHECK(SlicedString::cast(*string)->parent()->IsSeqString()); |
1200 CHECK_EQ("bcdefghijklmnopqrstuvwxy", *(string->ToCString())); | 1200 CHECK_EQ("bcdefghijklmnopqrstuvwxy", string->ToCString().get()); |
1201 | 1201 |
1202 result = CompileRun(slice_from_slice); | 1202 result = CompileRun(slice_from_slice); |
1203 CHECK(result->IsString()); | 1203 CHECK(result->IsString()); |
1204 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); | 1204 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); |
1205 CHECK(string->IsSlicedString()); | 1205 CHECK(string->IsSlicedString()); |
1206 CHECK(SlicedString::cast(*string)->parent()->IsSeqString()); | 1206 CHECK(SlicedString::cast(*string)->parent()->IsSeqString()); |
1207 CHECK_EQ("cdefghijklmnopqrstuvwx", *(string->ToCString())); | 1207 CHECK_EQ("cdefghijklmnopqrstuvwx", string->ToCString().get()); |
1208 } | 1208 } |
1209 | 1209 |
1210 | 1210 |
1211 TEST(AsciiArrayJoin) { | 1211 TEST(AsciiArrayJoin) { |
1212 // Set heap limits. | 1212 // Set heap limits. |
1213 static const int K = 1024; | 1213 static const int K = 1024; |
1214 v8::ResourceConstraints constraints; | 1214 v8::ResourceConstraints constraints; |
1215 constraints.set_max_young_space_size(256 * K); | 1215 constraints.set_max_young_space_size(256 * K); |
1216 constraints.set_max_old_space_size(4 * K * K); | 1216 constraints.set_max_old_space_size(4 * K * K); |
1217 v8::SetResourceConstraints(CcTest::isolate(), &constraints); | 1217 v8::SetResourceConstraints(CcTest::isolate(), &constraints); |
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1262 CheckException("%_SubString(short, -1234, 5);"); | 1262 CheckException("%_SubString(short, -1234, 5);"); |
1263 CheckException("%_SubString(short, 5, 2);"); | 1263 CheckException("%_SubString(short, 5, 2);"); |
1264 // Special HeapNumbers. | 1264 // Special HeapNumbers. |
1265 CheckException("%_SubString(short, 1, Infinity);"); | 1265 CheckException("%_SubString(short, 1, Infinity);"); |
1266 CheckException("%_SubString(short, NaN, 5);"); | 1266 CheckException("%_SubString(short, NaN, 5);"); |
1267 // String arguments. | 1267 // String arguments. |
1268 CheckException("%_SubString(short, '2', '5');"); | 1268 CheckException("%_SubString(short, '2', '5');"); |
1269 // Ordinary HeapNumbers can be handled (in runtime). | 1269 // Ordinary HeapNumbers can be handled (in runtime). |
1270 result = CompileRun("%_SubString(short, Math.sqrt(4), 5.1);"); | 1270 result = CompileRun("%_SubString(short, Math.sqrt(4), 5.1);"); |
1271 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); | 1271 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); |
1272 CHECK_EQ("cde", *(string->ToCString())); | 1272 CHECK_EQ("cde", string->ToCString().get()); |
1273 | 1273 |
1274 CompileRun("var long = 'abcdefghijklmnopqrstuvwxyz';"); | 1274 CompileRun("var long = 'abcdefghijklmnopqrstuvwxyz';"); |
1275 // Invalid indices. | 1275 // Invalid indices. |
1276 CheckException("%_SubString(long, 0, 10000);"); | 1276 CheckException("%_SubString(long, 0, 10000);"); |
1277 CheckException("%_SubString(long, -1234, 17);"); | 1277 CheckException("%_SubString(long, -1234, 17);"); |
1278 CheckException("%_SubString(long, 17, 2);"); | 1278 CheckException("%_SubString(long, 17, 2);"); |
1279 // Special HeapNumbers. | 1279 // Special HeapNumbers. |
1280 CheckException("%_SubString(long, 1, Infinity);"); | 1280 CheckException("%_SubString(long, 1, Infinity);"); |
1281 CheckException("%_SubString(long, NaN, 17);"); | 1281 CheckException("%_SubString(long, NaN, 17);"); |
1282 // String arguments. | 1282 // String arguments. |
1283 CheckException("%_SubString(long, '2', '17');"); | 1283 CheckException("%_SubString(long, '2', '17');"); |
1284 // Ordinary HeapNumbers within bounds can be handled (in runtime). | 1284 // Ordinary HeapNumbers within bounds can be handled (in runtime). |
1285 result = CompileRun("%_SubString(long, Math.sqrt(4), 17.1);"); | 1285 result = CompileRun("%_SubString(long, Math.sqrt(4), 17.1);"); |
1286 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); | 1286 string = v8::Utils::OpenHandle(v8::String::Cast(*result)); |
1287 CHECK_EQ("cdefghijklmnopq", *(string->ToCString())); | 1287 CHECK_EQ("cdefghijklmnopq", string->ToCString().get()); |
1288 | 1288 |
1289 // Test that out-of-bounds substring of a slice fails when the indices | 1289 // Test that out-of-bounds substring of a slice fails when the indices |
1290 // would have been valid for the underlying string. | 1290 // would have been valid for the underlying string. |
1291 CompileRun("var slice = long.slice(1, 15);"); | 1291 CompileRun("var slice = long.slice(1, 15);"); |
1292 CheckException("%_SubString(slice, 0, 17);"); | 1292 CheckException("%_SubString(slice, 0, 17);"); |
1293 } | 1293 } |
1294 | 1294 |
1295 | 1295 |
1296 TEST(RegExpOverflow) { | 1296 TEST(RegExpOverflow) { |
1297 // Result string has the length 2^32, causing a 32-bit integer overflow. | 1297 // Result string has the length 2^32, causing a 32-bit integer overflow. |
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1380 CheckCanonicalEquivalence(c, test); | 1380 CheckCanonicalEquivalence(c, test); |
1381 continue; | 1381 continue; |
1382 } | 1382 } |
1383 if (upper != c && lower != c) { | 1383 if (upper != c && lower != c) { |
1384 CheckCanonicalEquivalence(c, test); | 1384 CheckCanonicalEquivalence(c, test); |
1385 continue; | 1385 continue; |
1386 } | 1386 } |
1387 CHECK_EQ(Min(upper, lower), test); | 1387 CHECK_EQ(Min(upper, lower), test); |
1388 } | 1388 } |
1389 } | 1389 } |
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