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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/base/utils/random-number-generator.h" | |
7 #include "src/execution.h" | 8 #include "src/execution.h" |
8 #include "src/handles.h" | 9 #include "src/handles.h" |
9 #include "src/interpreter/bytecode-array-builder.h" | 10 #include "src/interpreter/bytecode-array-builder.h" |
10 #include "src/interpreter/interpreter.h" | 11 #include "src/interpreter/interpreter.h" |
11 #include "test/cctest/cctest.h" | 12 #include "test/cctest/cctest.h" |
12 #include "test/cctest/test-feedback-vector.h" | 13 #include "test/cctest/test-feedback-vector.h" |
13 | 14 |
14 namespace v8 { | 15 namespace v8 { |
15 namespace internal { | 16 namespace internal { |
16 namespace interpreter { | 17 namespace interpreter { |
(...skipping 3170 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
3187 std::string(function_epilogue); | 3188 std::string(function_epilogue); |
3188 | 3189 |
3189 InterpreterTester tester(handles.main_isolate(), script.c_str(), "t"); | 3190 InterpreterTester tester(handles.main_isolate(), script.c_str(), "t"); |
3190 auto callable = tester.GetCallable<>(); | 3191 auto callable = tester.GetCallable<>(); |
3191 | 3192 |
3192 Handle<i::Object> return_value = callable().ToHandleChecked(); | 3193 Handle<i::Object> return_value = callable().ToHandleChecked(); |
3193 CHECK(return_value->SameValue(*delete_lookup_slot[i].second)); | 3194 CHECK(return_value->SameValue(*delete_lookup_slot[i].second)); |
3194 } | 3195 } |
3195 } | 3196 } |
3196 | 3197 |
3198 | |
3199 TEST(JumpWithConstantsAndWideConstants) { | |
3200 HandleAndZoneScope handles; | |
3201 auto isolate = handles.main_isolate(); | |
3202 auto factory = isolate->factory(); | |
3203 const int kStep = 19; | |
3204 int start = isolate->random_number_generator()->NextInt(kStep); | |
rmcilroy
2016/01/05 13:46:10
Ditto regarding random number generator.
oth
2016/01/05 18:31:59
Done. Plus removed the double use of stringstream
| |
3205 for (int constants = start; constants < 256 + 3 * kStep; constants += kStep) { | |
3206 std::stringstream os; | |
3207 // Generate a string that consumes constant pool entries and | |
3208 // spread out branch distances in script below. | |
3209 for (int i = 0; i < constants; i++) { | |
3210 os << "var x_ = 'x_" << i << "';\n"; | |
3211 } | |
3212 std::string filler(os.str()); | |
3213 os.str(""); | |
3214 os << "function " << InterpreterTester::function_name() << "(a) {\n"; | |
3215 os << " " << filler; | |
3216 os << " for (var i = a; i < 2; i++) {\n"; | |
3217 os << " " << filler; | |
3218 os << " if (i == 0) { " << filler << "i = 10; continue; }\n"; | |
3219 os << " else if (i == a) { " << filler << "i = 12; break; }\n"; | |
3220 os << " else { " << filler << " }\n"; | |
3221 os << " }\n"; | |
3222 os << " return i;\n"; | |
3223 os << "}\n"; | |
3224 std::string script(os.str()); | |
3225 for (int a = 0; a < 3; a++) { | |
3226 InterpreterTester tester(handles.main_isolate(), script.c_str()); | |
3227 auto callable = tester.GetCallable<Handle<Object>>(); | |
3228 Handle<Object> return_val = | |
3229 callable(factory->NewNumberFromInt(a)).ToHandleChecked(); | |
3230 static const int results[] = {11, 12, 2}; | |
3231 CHECK_EQ(Handle<Smi>::cast(return_val)->value(), results[a]); | |
3232 } | |
3233 } | |
3234 } | |
3235 | |
3197 } // namespace interpreter | 3236 } // namespace interpreter |
3198 } // namespace internal | 3237 } // namespace internal |
3199 } // namespace v8 | 3238 } // namespace v8 |
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