Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1 | // Copyright 2009 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include "v8.h" |
| 29 | #include "platform.h" |
| 30 | #include "cctest.h" |
| 31 | |
| 32 | |
| 33 | v8::internal::Semaphore* semaphore = NULL; |
| 34 | |
| 35 | |
| 36 | v8::Handle<v8::Value> Signal(const v8::Arguments& args) { |
| 37 | semaphore->Signal(); |
| 38 | return v8::Undefined(); |
| 39 | } |
| 40 | |
| 41 | |
| 42 | v8::Handle<v8::Value> TerminateCurrentThread(const v8::Arguments& args) { |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 43 | CHECK(!v8::V8::IsExecutionTerminating()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 44 | v8::V8::TerminateExecution(); |
| 45 | return v8::Undefined(); |
| 46 | } |
| 47 | |
| 48 | |
| 49 | v8::Handle<v8::Value> Fail(const v8::Arguments& args) { |
| 50 | CHECK(false); |
| 51 | return v8::Undefined(); |
| 52 | } |
| 53 | |
| 54 | |
| 55 | v8::Handle<v8::Value> Loop(const v8::Arguments& args) { |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 56 | CHECK(!v8::V8::IsExecutionTerminating()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 57 | v8::Handle<v8::String> source = |
| 58 | v8::String::New("try { doloop(); fail(); } catch(e) { fail(); }"); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 59 | v8::Handle<v8::Value> result = v8::Script::Compile(source)->Run(); |
| 60 | CHECK(result.IsEmpty()); |
| 61 | CHECK(v8::V8::IsExecutionTerminating()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 62 | return v8::Undefined(); |
| 63 | } |
| 64 | |
| 65 | |
| 66 | v8::Handle<v8::Value> DoLoop(const v8::Arguments& args) { |
| 67 | v8::TryCatch try_catch; |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 68 | CHECK(!v8::V8::IsExecutionTerminating()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 69 | v8::Script::Compile(v8::String::New("function f() {" |
| 70 | " var term = true;" |
| 71 | " try {" |
| 72 | " while(true) {" |
| 73 | " if (term) terminate();" |
| 74 | " term = false;" |
| 75 | " }" |
| 76 | " fail();" |
| 77 | " } catch(e) {" |
| 78 | " fail();" |
| 79 | " }" |
| 80 | "}" |
| 81 | "f()"))->Run(); |
| 82 | CHECK(try_catch.HasCaught()); |
| 83 | CHECK(try_catch.Exception()->IsNull()); |
| 84 | CHECK(try_catch.Message().IsEmpty()); |
| 85 | CHECK(!try_catch.CanContinue()); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 86 | CHECK(v8::V8::IsExecutionTerminating()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 87 | return v8::Undefined(); |
| 88 | } |
| 89 | |
| 90 | |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 91 | v8::Handle<v8::Value> DoLoopNoCall(const v8::Arguments& args) { |
| 92 | v8::TryCatch try_catch; |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 93 | CHECK(!v8::V8::IsExecutionTerminating()); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 94 | v8::Script::Compile(v8::String::New("var term = true;" |
| 95 | "while(true) {" |
| 96 | " if (term) terminate();" |
| 97 | " term = false;" |
| 98 | "}"))->Run(); |
| 99 | CHECK(try_catch.HasCaught()); |
| 100 | CHECK(try_catch.Exception()->IsNull()); |
| 101 | CHECK(try_catch.Message().IsEmpty()); |
| 102 | CHECK(!try_catch.CanContinue()); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 103 | CHECK(v8::V8::IsExecutionTerminating()); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 104 | return v8::Undefined(); |
| 105 | } |
| 106 | |
| 107 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 108 | v8::Handle<v8::ObjectTemplate> CreateGlobalTemplate( |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 109 | v8::InvocationCallback terminate, |
| 110 | v8::InvocationCallback doloop) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 111 | v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New(); |
| 112 | global->Set(v8::String::New("terminate"), |
| 113 | v8::FunctionTemplate::New(terminate)); |
| 114 | global->Set(v8::String::New("fail"), v8::FunctionTemplate::New(Fail)); |
| 115 | global->Set(v8::String::New("loop"), v8::FunctionTemplate::New(Loop)); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 116 | global->Set(v8::String::New("doloop"), v8::FunctionTemplate::New(doloop)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 117 | return global; |
| 118 | } |
| 119 | |
| 120 | |
| 121 | // Test that a single thread of JavaScript execution can terminate |
| 122 | // itself. |
| 123 | TEST(TerminateOnlyV8ThreadFromThreadItself) { |
| 124 | v8::HandleScope scope; |
| 125 | v8::Handle<v8::ObjectTemplate> global = |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 126 | CreateGlobalTemplate(TerminateCurrentThread, DoLoop); |
| 127 | v8::Persistent<v8::Context> context = v8::Context::New(NULL, global); |
| 128 | v8::Context::Scope context_scope(context); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 129 | CHECK(!v8::V8::IsExecutionTerminating()); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 130 | // Run a loop that will be infinite if thread termination does not work. |
| 131 | v8::Handle<v8::String> source = |
| 132 | v8::String::New("try { loop(); fail(); } catch(e) { fail(); }"); |
| 133 | v8::Script::Compile(source)->Run(); |
| 134 | // Test that we can run the code again after thread termination. |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 135 | CHECK(!v8::V8::IsExecutionTerminating()); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 136 | v8::Script::Compile(source)->Run(); |
| 137 | context.Dispose(); |
| 138 | } |
| 139 | |
| 140 | |
| 141 | // Test that a single thread of JavaScript execution can terminate |
| 142 | // itself in a loop that performs no calls. |
| 143 | TEST(TerminateOnlyV8ThreadFromThreadItselfNoLoop) { |
| 144 | v8::HandleScope scope; |
| 145 | v8::Handle<v8::ObjectTemplate> global = |
| 146 | CreateGlobalTemplate(TerminateCurrentThread, DoLoopNoCall); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 147 | v8::Persistent<v8::Context> context = v8::Context::New(NULL, global); |
| 148 | v8::Context::Scope context_scope(context); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 149 | CHECK(!v8::V8::IsExecutionTerminating()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 150 | // Run a loop that will be infinite if thread termination does not work. |
| 151 | v8::Handle<v8::String> source = |
| 152 | v8::String::New("try { loop(); fail(); } catch(e) { fail(); }"); |
| 153 | v8::Script::Compile(source)->Run(); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 154 | CHECK(!v8::V8::IsExecutionTerminating()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 155 | // Test that we can run the code again after thread termination. |
| 156 | v8::Script::Compile(source)->Run(); |
| 157 | context.Dispose(); |
| 158 | } |
| 159 | |
| 160 | |
| 161 | class TerminatorThread : public v8::internal::Thread { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 162 | public: |
| 163 | explicit TerminatorThread(i::Isolate* isolate) |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 164 | : Thread("TerminatorThread"), |
| 165 | isolate_(reinterpret_cast<v8::Isolate*>(isolate)) { } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 166 | void Run() { |
| 167 | semaphore->Wait(); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 168 | CHECK(!v8::V8::IsExecutionTerminating(isolate_)); |
| 169 | v8::V8::TerminateExecution(isolate_); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 170 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 171 | |
| 172 | private: |
| 173 | v8::Isolate* isolate_; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 174 | }; |
| 175 | |
| 176 | |
| 177 | // Test that a single thread of JavaScript execution can be terminated |
| 178 | // from the side by another thread. |
| 179 | TEST(TerminateOnlyV8ThreadFromOtherThread) { |
| 180 | semaphore = v8::internal::OS::CreateSemaphore(0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 181 | TerminatorThread thread(i::Isolate::Current()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 182 | thread.Start(); |
| 183 | |
| 184 | v8::HandleScope scope; |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 185 | v8::Handle<v8::ObjectTemplate> global = CreateGlobalTemplate(Signal, DoLoop); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 186 | v8::Persistent<v8::Context> context = v8::Context::New(NULL, global); |
| 187 | v8::Context::Scope context_scope(context); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 188 | CHECK(!v8::V8::IsExecutionTerminating()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 189 | // Run a loop that will be infinite if thread termination does not work. |
| 190 | v8::Handle<v8::String> source = |
| 191 | v8::String::New("try { loop(); fail(); } catch(e) { fail(); }"); |
| 192 | v8::Script::Compile(source)->Run(); |
| 193 | |
| 194 | thread.Join(); |
| 195 | delete semaphore; |
| 196 | semaphore = NULL; |
| 197 | context.Dispose(); |
| 198 | } |
| 199 | |
| 200 | |
| 201 | class LoopingThread : public v8::internal::Thread { |
| 202 | public: |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 203 | LoopingThread() : Thread("LoopingThread") { } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 204 | void Run() { |
| 205 | v8::Locker locker; |
| 206 | v8::HandleScope scope; |
| 207 | v8_thread_id_ = v8::V8::GetCurrentThreadId(); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 208 | v8::Handle<v8::ObjectTemplate> global = |
| 209 | CreateGlobalTemplate(Signal, DoLoop); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 210 | v8::Persistent<v8::Context> context = v8::Context::New(NULL, global); |
| 211 | v8::Context::Scope context_scope(context); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 212 | CHECK(!v8::V8::IsExecutionTerminating()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 213 | // Run a loop that will be infinite if thread termination does not work. |
| 214 | v8::Handle<v8::String> source = |
| 215 | v8::String::New("try { loop(); fail(); } catch(e) { fail(); }"); |
| 216 | v8::Script::Compile(source)->Run(); |
| 217 | context.Dispose(); |
| 218 | } |
| 219 | |
| 220 | int GetV8ThreadId() { return v8_thread_id_; } |
| 221 | |
| 222 | private: |
| 223 | int v8_thread_id_; |
| 224 | }; |
| 225 | |
| 226 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 227 | // Test that multiple threads using default isolate can be terminated |
| 228 | // from another thread when using Lockers and preemption. |
| 229 | TEST(TerminateMultipleV8ThreadsDefaultIsolate) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 230 | { |
| 231 | v8::Locker locker; |
| 232 | v8::V8::Initialize(); |
| 233 | v8::Locker::StartPreemption(1); |
| 234 | semaphore = v8::internal::OS::CreateSemaphore(0); |
| 235 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 236 | const int kThreads = 2; |
| 237 | i::List<LoopingThread*> threads(kThreads); |
| 238 | for (int i = 0; i < kThreads; i++) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame^] | 239 | threads.Add(new LoopingThread()); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 240 | } |
| 241 | for (int i = 0; i < kThreads; i++) { |
| 242 | threads[i]->Start(); |
| 243 | } |
| 244 | // Wait until all threads have signaled the semaphore. |
| 245 | for (int i = 0; i < kThreads; i++) { |
| 246 | semaphore->Wait(); |
| 247 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 248 | { |
| 249 | v8::Locker locker; |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 250 | for (int i = 0; i < kThreads; i++) { |
| 251 | v8::V8::TerminateExecution(threads[i]->GetV8ThreadId()); |
| 252 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 253 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 254 | for (int i = 0; i < kThreads; i++) { |
| 255 | threads[i]->Join(); |
| 256 | delete threads[i]; |
| 257 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 258 | |
| 259 | delete semaphore; |
| 260 | semaphore = NULL; |
| 261 | } |
| 262 | |
| 263 | |
| 264 | int call_count = 0; |
| 265 | |
| 266 | |
| 267 | v8::Handle<v8::Value> TerminateOrReturnObject(const v8::Arguments& args) { |
| 268 | if (++call_count == 10) { |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 269 | CHECK(!v8::V8::IsExecutionTerminating()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 270 | v8::V8::TerminateExecution(); |
| 271 | return v8::Undefined(); |
| 272 | } |
| 273 | v8::Local<v8::Object> result = v8::Object::New(); |
| 274 | result->Set(v8::String::New("x"), v8::Integer::New(42)); |
| 275 | return result; |
| 276 | } |
| 277 | |
| 278 | |
| 279 | v8::Handle<v8::Value> LoopGetProperty(const v8::Arguments& args) { |
| 280 | v8::TryCatch try_catch; |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 281 | CHECK(!v8::V8::IsExecutionTerminating()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 282 | v8::Script::Compile(v8::String::New("function f() {" |
| 283 | " try {" |
| 284 | " while(true) {" |
| 285 | " terminate_or_return_object().x;" |
| 286 | " }" |
| 287 | " fail();" |
| 288 | " } catch(e) {" |
| 289 | " fail();" |
| 290 | " }" |
| 291 | "}" |
| 292 | "f()"))->Run(); |
| 293 | CHECK(try_catch.HasCaught()); |
| 294 | CHECK(try_catch.Exception()->IsNull()); |
| 295 | CHECK(try_catch.Message().IsEmpty()); |
| 296 | CHECK(!try_catch.CanContinue()); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 297 | CHECK(v8::V8::IsExecutionTerminating()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 298 | return v8::Undefined(); |
| 299 | } |
| 300 | |
| 301 | |
| 302 | // Test that we correctly handle termination exceptions if they are |
| 303 | // triggered by the creation of error objects in connection with ICs. |
| 304 | TEST(TerminateLoadICException) { |
| 305 | v8::HandleScope scope; |
| 306 | v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New(); |
| 307 | global->Set(v8::String::New("terminate_or_return_object"), |
| 308 | v8::FunctionTemplate::New(TerminateOrReturnObject)); |
| 309 | global->Set(v8::String::New("fail"), v8::FunctionTemplate::New(Fail)); |
| 310 | global->Set(v8::String::New("loop"), |
| 311 | v8::FunctionTemplate::New(LoopGetProperty)); |
| 312 | |
| 313 | v8::Persistent<v8::Context> context = v8::Context::New(NULL, global); |
| 314 | v8::Context::Scope context_scope(context); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 315 | CHECK(!v8::V8::IsExecutionTerminating()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 316 | // Run a loop that will be infinite if thread termination does not work. |
| 317 | v8::Handle<v8::String> source = |
| 318 | v8::String::New("try { loop(); fail(); } catch(e) { fail(); }"); |
| 319 | call_count = 0; |
| 320 | v8::Script::Compile(source)->Run(); |
| 321 | // Test that we can run the code again after thread termination. |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 322 | CHECK(!v8::V8::IsExecutionTerminating()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 323 | call_count = 0; |
| 324 | v8::Script::Compile(source)->Run(); |
| 325 | context.Dispose(); |
| 326 | } |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 327 | |
| 328 | v8::Handle<v8::Value> ReenterAfterTermination(const v8::Arguments& args) { |
| 329 | v8::TryCatch try_catch; |
| 330 | CHECK(!v8::V8::IsExecutionTerminating()); |
| 331 | v8::Script::Compile(v8::String::New("function f() {" |
| 332 | " var term = true;" |
| 333 | " try {" |
| 334 | " while(true) {" |
| 335 | " if (term) terminate();" |
| 336 | " term = false;" |
| 337 | " }" |
| 338 | " fail();" |
| 339 | " } catch(e) {" |
| 340 | " fail();" |
| 341 | " }" |
| 342 | "}" |
| 343 | "f()"))->Run(); |
| 344 | CHECK(try_catch.HasCaught()); |
| 345 | CHECK(try_catch.Exception()->IsNull()); |
| 346 | CHECK(try_catch.Message().IsEmpty()); |
| 347 | CHECK(!try_catch.CanContinue()); |
| 348 | CHECK(v8::V8::IsExecutionTerminating()); |
| 349 | v8::Script::Compile(v8::String::New("function f() { fail(); } f()"))->Run(); |
| 350 | return v8::Undefined(); |
| 351 | } |
| 352 | |
| 353 | // Test that reentry into V8 while the termination exception is still pending |
| 354 | // (has not yet unwound the 0-level JS frame) does not crash. |
| 355 | TEST(TerminateAndReenterFromThreadItself) { |
| 356 | v8::HandleScope scope; |
| 357 | v8::Handle<v8::ObjectTemplate> global = |
| 358 | CreateGlobalTemplate(TerminateCurrentThread, ReenterAfterTermination); |
| 359 | v8::Persistent<v8::Context> context = v8::Context::New(NULL, global); |
| 360 | v8::Context::Scope context_scope(context); |
| 361 | CHECK(!v8::V8::IsExecutionTerminating()); |
| 362 | v8::Handle<v8::String> source = |
| 363 | v8::String::New("try { loop(); fail(); } catch(e) { fail(); }"); |
| 364 | v8::Script::Compile(source)->Run(); |
| 365 | CHECK(!v8::V8::IsExecutionTerminating()); |
| 366 | // Check we can run JS again after termination. |
| 367 | CHECK(v8::Script::Compile(v8::String::New("function f() { return true; }" |
| 368 | "f()"))->Run()->IsTrue()); |
| 369 | context.Dispose(); |
| 370 | } |
| 371 | |