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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 |
| 11 // with the distribution. | 11 // with the distribution. |
| 12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
| 13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
| 14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
| 15 // | 15 // |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 // Flags: --expose-debug-as debug | |
| 29 | 28 |
| 30 // Get the Debug object exposed from the debug context global object. | |
| 31 var Debug = debug.Debug; | 29 var Debug = debug.Debug; |
| 32 var DebugCommandProcessor = debug.DebugCommandProcessor; | |
| 33 | 30 |
| 34 // Accepts a function/closure 'fun' that must have a debugger statement inside. | 31 // Accepts a function/closure 'fun' that must have a debugger statement inside. |
| 35 // A variable 'variable_name' must be initialized before debugger statement | 32 // A variable 'variable_name' must be initialized before debugger statement |
| 36 // and returned after the statement. The test will alter variable value when | 33 // and returned after the statement. The test will alter variable value when |
| 37 // on debugger statement and check that returned value reflects the change. | 34 // on debugger statement and check that returned value reflects the change. |
| 38 function RunPauseTest(scope_number, expected_old_result, variable_name, | 35 function RunPauseTest(scope_number, expected_old_result, variable_name, |
| 39 new_value, expected_new_result, fun) { | 36 new_value, expected_new_result, fun) { |
| 40 var actual_old_result = fun(); | 37 var actual_old_result = fun(); |
| 41 assertEquals(expected_old_result, actual_old_result); | 38 assertEquals(expected_old_result, actual_old_result); |
| 42 | 39 |
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| 71 } | 68 } |
| 72 | 69 |
| 73 if (exception != null) { | 70 if (exception != null) { |
| 74 assertUnreachable("Exception in listener\n" + exception.stack); | 71 assertUnreachable("Exception in listener\n" + exception.stack); |
| 75 } | 72 } |
| 76 assertTrue(listener_called); | 73 assertTrue(listener_called); |
| 77 | 74 |
| 78 assertEquals(expected_new_result, actual_new_result); | 75 assertEquals(expected_new_result, actual_new_result); |
| 79 } | 76 } |
| 80 | 77 |
| 81 // Accepts a closure 'fun' that returns a variable from its outer scope. | |
| 82 // The test changes the value of variable via the handle to function and checks | |
| 83 // that the return value changed accordingly. | |
| 84 function RunClosureTest(scope_number, expected_old_result, variable_name, | |
| 85 new_value, expected_new_result, fun) { | |
| 86 var actual_old_result = fun(); | |
| 87 assertEquals(expected_old_result, actual_old_result); | |
| 88 | |
| 89 var fun_mirror = Debug.MakeMirror(fun); | |
| 90 | |
| 91 var scope = fun_mirror.scope(scope_number); | |
| 92 scope.setVariableValue(variable_name, new_value); | |
| 93 | |
| 94 var actual_new_result = fun(); | |
| 95 | |
| 96 assertEquals(expected_new_result, actual_new_result); | |
| 97 } | |
| 98 | |
| 99 | 78 |
| 100 function ClosureTestCase(scope_index, old_result, variable_name, new_value, | 79 function ClosureTestCase(scope_index, old_result, variable_name, new_value, |
| 101 new_result, success_expected, factory) { | 80 new_result, success_expected, factory) { |
| 102 this.scope_index_ = scope_index; | 81 this.scope_index_ = scope_index; |
| 103 this.old_result_ = old_result; | 82 this.old_result_ = old_result; |
| 104 this.variable_name_ = variable_name; | 83 this.variable_name_ = variable_name; |
| 105 this.new_value_ = new_value; | 84 this.new_value_ = new_value; |
| 106 this.new_result_ = new_result; | 85 this.new_result_ = new_result; |
| 107 this.success_expected_ = success_expected; | 86 this.success_expected_ = success_expected; |
| 108 this.factory_ = factory; | 87 this.factory_ = factory; |
| 109 } | 88 } |
| 110 | 89 |
| 111 ClosureTestCase.prototype.run_pause_test = function() { | 90 ClosureTestCase.prototype.run_pause_test = function() { |
| 112 var th = this; | 91 var th = this; |
| 113 var fun = this.factory_(true); | 92 var fun = this.factory_(true); |
| 114 this.run_and_catch_(function() { | 93 this.run_and_catch_(function() { |
| 115 RunPauseTest(th.scope_index_ + 1, th.old_result_, th.variable_name_, | 94 RunPauseTest(th.scope_index_ + 1, th.old_result_, th.variable_name_, |
| 116 th.new_value_, th.new_result_, fun); | 95 th.new_value_, th.new_result_, fun); |
| 117 }); | 96 }); |
| 118 } | 97 } |
| 119 | 98 |
| 120 ClosureTestCase.prototype.run_closure_test = function() { | |
| 121 var th = this; | |
| 122 var fun = this.factory_(false); | |
| 123 this.run_and_catch_(function() { | |
| 124 RunClosureTest(th.scope_index_, th.old_result_, th.variable_name_, | |
| 125 th.new_value_, th.new_result_, fun); | |
| 126 }); | |
| 127 } | |
| 128 | |
| 129 ClosureTestCase.prototype.run_and_catch_ = function(runnable) { | 99 ClosureTestCase.prototype.run_and_catch_ = function(runnable) { |
| 130 if (this.success_expected_) { | 100 if (this.success_expected_) { |
| 131 runnable(); | 101 runnable(); |
| 132 } else { | 102 } else { |
| 133 assertThrows(runnable); | 103 assertThrows(runnable); |
| 134 } | 104 } |
| 135 } | 105 } |
| 136 | 106 |
| 137 | 107 |
| 138 // Test scopes visible from closures. | 108 // Test scopes visible from closures. |
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| 205 } | 175 } |
| 206 } | 176 } |
| 207 })(); | 177 })(); |
| 208 }) | 178 }) |
| 209 ]; | 179 ]; |
| 210 | 180 |
| 211 for (var i = 0; i < closure_test_cases.length; i++) { | 181 for (var i = 0; i < closure_test_cases.length; i++) { |
| 212 closure_test_cases[i].run_pause_test(); | 182 closure_test_cases[i].run_pause_test(); |
| 213 } | 183 } |
| 214 | 184 |
| 215 for (var i = 0; i < closure_test_cases.length; i++) { | |
| 216 closure_test_cases[i].run_closure_test(); | |
| 217 } | |
| 218 | |
| 219 | 185 |
| 220 // Test local scope. | 186 // Test local scope. |
| 221 | 187 |
| 222 RunPauseTest(0, 'HelloYou', 'u', 'We', 'HelloWe', (function Factory() { | 188 RunPauseTest(0, 'HelloYou', 'u', 'We', 'HelloWe', (function Factory() { |
| 223 return function() { | 189 return function() { |
| 224 var u = "You"; | 190 var u = "You"; |
| 225 var v = "Hello"; | 191 var v = "Hello"; |
| 226 debugger; | 192 debugger; |
| 227 return v + u; | 193 return v + u; |
| 228 } | 194 } |
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| 283 return void p; | 249 return void p; |
| 284 } | 250 } |
| 285 debugger; | 251 debugger; |
| 286 return p; | 252 return p; |
| 287 } | 253 } |
| 288 return A(5); | 254 return A(5); |
| 289 } | 255 } |
| 290 })()); | 256 })()); |
| 291 | 257 |
| 292 | 258 |
| 293 // Test value description protocol JSON | |
| 294 | |
| 295 assertEquals(true, DebugCommandProcessor.resolveValue_({value: true})); | |
| 296 | |
| 297 assertSame(null, DebugCommandProcessor.resolveValue_({type: "null"})); | |
| 298 assertSame(undefined, | |
| 299 DebugCommandProcessor.resolveValue_({type: "undefined"})); | |
| 300 | |
| 301 assertSame("123", DebugCommandProcessor.resolveValue_( | |
| 302 {type: "string", stringDescription: "123"})); | |
| 303 assertSame(123, DebugCommandProcessor.resolveValue_( | |
| 304 {type: "number", stringDescription: "123"})); | |
| 305 | |
| 306 assertSame(Number, DebugCommandProcessor.resolveValue_( | |
| 307 {handle: Debug.MakeMirror(Number).handle()})); | |
| 308 assertSame(RunClosureTest, DebugCommandProcessor.resolveValue_( | |
| 309 {handle: Debug.MakeMirror(RunClosureTest).handle()})); | |
| 310 | |
| 311 | |
| 312 // Test script-scope variable. | 259 // Test script-scope variable. |
| 313 let abc = 12; | 260 let abc = 12; |
| 314 { | 261 { |
| 315 let exception; | 262 let exception; |
| 316 function listener(event, exec_state) { | 263 function listener(event, exec_state) { |
| 317 try { | 264 try { |
| 318 if (event == Debug.DebugEvent.Break) { | 265 if (event == Debug.DebugEvent.Break) { |
| 319 let scope_count = exec_state.frame().scopeCount(); | 266 let scope_count = exec_state.frame().scopeCount(); |
| 320 let script_scope = exec_state.frame().scope(scope_count - 2); | 267 let script_scope = exec_state.frame().scope(scope_count - 2); |
| 321 assertTrue(script_scope.isScope()); | |
| 322 assertEquals(debug.ScopeType.Script, script_scope.scopeType()); | 268 assertEquals(debug.ScopeType.Script, script_scope.scopeType()); |
| 323 script_scope.setVariableValue('abc', 42); | 269 script_scope.setVariableValue('abc', 42); |
| 324 } | 270 } |
| 325 } catch(e) { exception = e } | 271 } catch(e) { exception = e } |
| 326 } | 272 } |
| 327 | 273 |
| 328 Debug.setListener(listener); | 274 Debug.setListener(listener); |
| 329 assertEquals(12, abc); | 275 assertEquals(12, abc); |
| 330 debugger; | 276 debugger; |
| 331 assertEquals(42, abc); | 277 assertEquals(42, abc); |
| 332 | 278 |
| 333 if (exception != null) { | 279 if (exception != null) { |
| 334 assertUnreachable("Exception in listener\n" + exception.stack); | 280 assertUnreachable("Exception in listener\n" + exception.stack); |
| 335 } | 281 } |
| 336 } | 282 } |
| 337 | 283 |
| 338 Debug.setListener(null); | 284 Debug.setListener(null); |
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