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| 1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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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| 315 v8::Handle<v8::String> source = | 315 v8::Handle<v8::String> source = |
| 316 v8::String::New("try { loop(); fail(); } catch(e) { fail(); }"); | 316 v8::String::New("try { loop(); fail(); } catch(e) { fail(); }"); |
| 317 call_count = 0; | 317 call_count = 0; |
| 318 v8::Script::Compile(source)->Run(); | 318 v8::Script::Compile(source)->Run(); |
| 319 // Test that we can run the code again after thread termination. | 319 // Test that we can run the code again after thread termination. |
| 320 CHECK(!v8::V8::IsExecutionTerminating()); | 320 CHECK(!v8::V8::IsExecutionTerminating()); |
| 321 call_count = 0; | 321 call_count = 0; |
| 322 v8::Script::Compile(source)->Run(); | 322 v8::Script::Compile(source)->Run(); |
| 323 } | 323 } |
| 324 | 324 |
| 325 |
| 325 void ReenterAfterTermination(const v8::FunctionCallbackInfo<v8::Value>& args) { | 326 void ReenterAfterTermination(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| 326 v8::TryCatch try_catch; | 327 v8::TryCatch try_catch; |
| 327 CHECK(!v8::V8::IsExecutionTerminating()); | 328 CHECK(!v8::V8::IsExecutionTerminating()); |
| 328 v8::Script::Compile(v8::String::New("function f() {" | 329 v8::Script::Compile(v8::String::New("function f() {" |
| 329 " var term = true;" | 330 " var term = true;" |
| 330 " try {" | 331 " try {" |
| 331 " while(true) {" | 332 " while(true) {" |
| 332 " if (term) terminate();" | 333 " if (term) terminate();" |
| 333 " term = false;" | 334 " term = false;" |
| 334 " }" | 335 " }" |
| 335 " fail();" | 336 " fail();" |
| 336 " } catch(e) {" | 337 " } catch(e) {" |
| 337 " fail();" | 338 " fail();" |
| 338 " }" | 339 " }" |
| 339 "}" | 340 "}" |
| 340 "f()"))->Run(); | 341 "f()"))->Run(); |
| 341 CHECK(try_catch.HasCaught()); | 342 CHECK(try_catch.HasCaught()); |
| 342 CHECK(try_catch.Exception()->IsNull()); | 343 CHECK(try_catch.Exception()->IsNull()); |
| 343 CHECK(try_catch.Message().IsEmpty()); | 344 CHECK(try_catch.Message().IsEmpty()); |
| 344 CHECK(!try_catch.CanContinue()); | 345 CHECK(!try_catch.CanContinue()); |
| 345 CHECK(v8::V8::IsExecutionTerminating()); | 346 CHECK(v8::V8::IsExecutionTerminating()); |
| 346 v8::Script::Compile(v8::String::New("function f() { fail(); } f()"))->Run(); | 347 v8::Script::Compile(v8::String::New("function f() { fail(); } f()"))->Run(); |
| 347 } | 348 } |
| 348 | 349 |
| 350 |
| 349 // Test that reentry into V8 while the termination exception is still pending | 351 // Test that reentry into V8 while the termination exception is still pending |
| 350 // (has not yet unwound the 0-level JS frame) does not crash. | 352 // (has not yet unwound the 0-level JS frame) does not crash. |
| 351 TEST(TerminateAndReenterFromThreadItself) { | 353 TEST(TerminateAndReenterFromThreadItself) { |
| 352 v8::HandleScope scope(v8::Isolate::GetCurrent()); | 354 v8::HandleScope scope(v8::Isolate::GetCurrent()); |
| 353 v8::Handle<v8::ObjectTemplate> global = | 355 v8::Handle<v8::ObjectTemplate> global = |
| 354 CreateGlobalTemplate(TerminateCurrentThread, ReenterAfterTermination); | 356 CreateGlobalTemplate(TerminateCurrentThread, ReenterAfterTermination); |
| 355 v8::Handle<v8::Context> context = | 357 v8::Handle<v8::Context> context = |
| 356 v8::Context::New(v8::Isolate::GetCurrent(), NULL, global); | 358 v8::Context::New(v8::Isolate::GetCurrent(), NULL, global); |
| 357 v8::Context::Scope context_scope(context); | 359 v8::Context::Scope context_scope(context); |
| 358 CHECK(!v8::V8::IsExecutionTerminating()); | 360 CHECK(!v8::V8::IsExecutionTerminating()); |
| 359 v8::Handle<v8::String> source = | 361 v8::Handle<v8::String> source = |
| 360 v8::String::New("try { loop(); fail(); } catch(e) { fail(); }"); | 362 v8::String::New("try { loop(); fail(); } catch(e) { fail(); }"); |
| 361 v8::Script::Compile(source)->Run(); | 363 v8::Script::Compile(source)->Run(); |
| 362 CHECK(!v8::V8::IsExecutionTerminating()); | 364 CHECK(!v8::V8::IsExecutionTerminating()); |
| 363 // Check we can run JS again after termination. | 365 // Check we can run JS again after termination. |
| 364 CHECK(v8::Script::Compile(v8::String::New("function f() { return true; }" | 366 CHECK(v8::Script::Compile(v8::String::New("function f() { return true; }" |
| 365 "f()"))->Run()->IsTrue()); | 367 "f()"))->Run()->IsTrue()); |
| 366 } | 368 } |
| 367 | 369 |
| 370 |
| 368 void DoLoopCancelTerminate(const v8::FunctionCallbackInfo<v8::Value>& args) { | 371 void DoLoopCancelTerminate(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| 369 v8::TryCatch try_catch; | 372 v8::TryCatch try_catch; |
| 370 CHECK(!v8::V8::IsExecutionTerminating()); | 373 CHECK(!v8::V8::IsExecutionTerminating()); |
| 371 v8::Script::Compile(v8::String::New("var term = true;" | 374 v8::Script::Compile(v8::String::New("var term = true;" |
| 372 "while(true) {" | 375 "while(true) {" |
| 373 " if (term) terminate();" | 376 " if (term) terminate();" |
| 374 " term = false;" | 377 " term = false;" |
| 375 "}" | 378 "}" |
| 376 "fail();"))->Run(); | 379 "fail();"))->Run(); |
| 377 CHECK(try_catch.HasCaught()); | 380 CHECK(try_catch.HasCaught()); |
| 378 CHECK(try_catch.Exception()->IsNull()); | 381 CHECK(try_catch.Exception()->IsNull()); |
| 379 CHECK(try_catch.Message().IsEmpty()); | 382 CHECK(try_catch.Message().IsEmpty()); |
| 380 CHECK(!try_catch.CanContinue()); | 383 CHECK(!try_catch.CanContinue()); |
| 381 CHECK(v8::V8::IsExecutionTerminating()); | 384 CHECK(v8::V8::IsExecutionTerminating()); |
| 382 CHECK(try_catch.HasTerminated()); | 385 CHECK(try_catch.HasTerminated()); |
| 383 v8::V8::CancelTerminateExecution(v8::Isolate::GetCurrent()); | 386 v8::V8::CancelTerminateExecution(v8::Isolate::GetCurrent()); |
| 384 CHECK(!v8::V8::IsExecutionTerminating()); | 387 CHECK(!v8::V8::IsExecutionTerminating()); |
| 385 } | 388 } |
| 386 | 389 |
| 390 |
| 387 // Test that a single thread of JavaScript execution can terminate | 391 // Test that a single thread of JavaScript execution can terminate |
| 388 // itself and then resume execution. | 392 // itself and then resume execution. |
| 389 TEST(TerminateCancelTerminateFromThreadItself) { | 393 TEST(TerminateCancelTerminateFromThreadItself) { |
| 390 v8::HandleScope scope; | 394 v8::HandleScope scope; |
| 391 v8::Handle<v8::ObjectTemplate> global = | 395 v8::Handle<v8::ObjectTemplate> global = |
| 392 CreateGlobalTemplate(TerminateCurrentThread, DoLoopCancelTerminate); | 396 CreateGlobalTemplate(TerminateCurrentThread, DoLoopCancelTerminate); |
| 393 v8::Handle<v8::Context> context = | 397 v8::Handle<v8::Context> context = |
| 394 v8::Context::New(v8::Isolate::GetCurrent(), NULL, global); | 398 v8::Context::New(v8::Isolate::GetCurrent(), NULL, global); |
| 395 v8::Context::Scope context_scope(context); | 399 v8::Context::Scope context_scope(context); |
| 396 CHECK(!v8::V8::IsExecutionTerminating()); | 400 CHECK(!v8::V8::IsExecutionTerminating()); |
| 397 v8::Handle<v8::String> source = | 401 v8::Handle<v8::String> source = |
| 398 v8::String::New("try { doloop(); } catch(e) { fail(); } 'completed';"); | 402 v8::String::New("try { doloop(); } catch(e) { fail(); } 'completed';"); |
| 399 // Check that execution completed with correct return value. | 403 // Check that execution completed with correct return value. |
| 400 CHECK(v8::Script::Compile(source)->Run()->Equals(v8_str("completed"))); | 404 CHECK(v8::Script::Compile(source)->Run()->Equals(v8_str("completed"))); |
| 401 } | 405 } |
| 402 | 406 |
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