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| 1 // Copyright 2016 the V8 project authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // A general-purpose engine for sending a sequence of protocol commands. | |
| 6 // The clients provide requests and response handlers, while the engine catches | |
| 7 // errors and makes sure that once there's nothing to do completeTest() is calle
d. | |
| 8 // @param step is an object with command, params and callback fields | |
| 9 function runRequestSeries(step) | |
| 10 { | |
| 11 processStep(step); | |
| 12 | |
| 13 function processStep(s) | |
| 14 { | |
| 15 try { | |
| 16 processStepOrFail(s); | |
| 17 } catch (e) { | |
| 18 InspectorTest.log(e.stack); | |
| 19 InspectorTest.completeTest(); | |
| 20 } | |
| 21 } | |
| 22 | |
| 23 function processStepOrFail(s) | |
| 24 { | |
| 25 if (!s) { | |
| 26 InspectorTest.completeTest(); | |
| 27 return; | |
| 28 } | |
| 29 if (!s.command) { | |
| 30 // A simple loopback step. | |
| 31 var next = s.callback(); | |
| 32 processStep(next); | |
| 33 return; | |
| 34 } | |
| 35 | |
| 36 var innerCallback = function(response) | |
| 37 { | |
| 38 if ("error" in response) { | |
| 39 InspectorTest.log(response.error.message); | |
| 40 InspectorTest.completeTest(); | |
| 41 return; | |
| 42 } | |
| 43 var next; | |
| 44 try { | |
| 45 next = s.callback(response.result); | |
| 46 } catch (e) { | |
| 47 InspectorTest.log(e.stack); | |
| 48 InspectorTest.completeTest(); | |
| 49 return; | |
| 50 } | |
| 51 processStep(next); | |
| 52 } | |
| 53 InspectorTest.sendCommand(s.command, s.params, innerCallback); | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 var firstStep = { callback: callbackStart5 }; | |
| 58 | |
| 59 runRequestSeries(firstStep); | |
| 60 | |
| 61 // 'Object5' section -- check properties of '5' wrapped as object (has an inter
nal property). | |
| 62 | |
| 63 function callbackStart5() | |
| 64 { | |
| 65 // Create an wrapper object with additional property. | |
| 66 var expression = "(function(){var r = Object(5); r.foo = 'cat';return r;})()"; | |
| 67 | |
| 68 return { command: "Runtime.evaluate", params: {expression: expression}, callba
ck: callbackEval5 }; | |
| 69 } | |
| 70 function callbackEval5(result) | |
| 71 { | |
| 72 var id = result.result.objectId; | |
| 73 if (id === undefined) | |
| 74 throw new Error("objectId is expected"); | |
| 75 return { | |
| 76 command: "Runtime.getProperties", params: {objectId: id, ownProperties: true
}, callback: callbackProperties5 | |
| 77 }; | |
| 78 } | |
| 79 function callbackProperties5(result) | |
| 80 { | |
| 81 logGetPropertiesResult("Object(5)", result); | |
| 82 return { callback: callbackStartNotOwn }; | |
| 83 } | |
| 84 | |
| 85 | |
| 86 // 'Not own' section -- check all properties of the object, including ones from
it prototype chain. | |
| 87 | |
| 88 function callbackStartNotOwn() | |
| 89 { | |
| 90 // Create an wrapper object with additional property. | |
| 91 var expression = "({ a: 2, set b(_) {}, get b() {return 5;}, __proto__: { a: 3
, c: 4, get d() {return 6;} }})"; | |
| 92 | |
| 93 return { command: "Runtime.evaluate", params: {expression: expression}, callba
ck: callbackEvalNotOwn }; | |
| 94 } | |
| 95 function callbackEvalNotOwn(result) | |
| 96 { | |
| 97 var id = result.result.objectId; | |
| 98 if (id === undefined) | |
| 99 throw new Error("objectId is expected"); | |
| 100 return { | |
| 101 command: "Runtime.getProperties", params: {objectId: id, ownProperties: fals
e}, callback: callbackPropertiesNotOwn | |
| 102 }; | |
| 103 } | |
| 104 function callbackPropertiesNotOwn(result) | |
| 105 { | |
| 106 logGetPropertiesResult("Not own properties", result); | |
| 107 return { callback: callbackStartAccessorsOnly }; | |
| 108 } | |
| 109 | |
| 110 | |
| 111 // 'Accessors only' section -- check only accessor properties of the object. | |
| 112 | |
| 113 function callbackStartAccessorsOnly() | |
| 114 { | |
| 115 // Create an wrapper object with additional property. | |
| 116 var expression = "({ a: 2, set b(_) {}, get b() {return 5;}, c: 'c', set d(_){
} })"; | |
| 117 | |
| 118 return { command: "Runtime.evaluate", params: {expression: expression}, callba
ck: callbackEvalAccessorsOnly }; | |
| 119 } | |
| 120 function callbackEvalAccessorsOnly(result) | |
| 121 { | |
| 122 var id = result.result.objectId; | |
| 123 if (id === undefined) | |
| 124 throw new Error("objectId is expected"); | |
| 125 return { | |
| 126 command: "Runtime.getProperties", params: {objectId: id, ownProperties: true
, accessorPropertiesOnly: true}, callback: callbackPropertiesAccessorsOnly | |
| 127 }; | |
| 128 } | |
| 129 function callbackPropertiesAccessorsOnly(result) | |
| 130 { | |
| 131 logGetPropertiesResult("Accessor only properties", result); | |
| 132 return { callback: callbackStartArray }; | |
| 133 } | |
| 134 | |
| 135 | |
| 136 // 'Array' section -- check properties of an array. | |
| 137 | |
| 138 function callbackStartArray() | |
| 139 { | |
| 140 var expression = "['red', 'green', 'blue']"; | |
| 141 return { command: "Runtime.evaluate", params: {expression: expression}, callba
ck: callbackEvalArray }; | |
| 142 } | |
| 143 function callbackEvalArray(result) | |
| 144 { | |
| 145 var id = result.result.objectId; | |
| 146 if (id === undefined) | |
| 147 throw new Error("objectId is expected"); | |
| 148 return { | |
| 149 command: "Runtime.getProperties", params: {objectId: id, ownProperties: true
}, callback: callbackPropertiesArray | |
| 150 }; | |
| 151 } | |
| 152 function callbackPropertiesArray(result) | |
| 153 { | |
| 154 logGetPropertiesResult("array", result); | |
| 155 return { callback: callbackStartBound }; | |
| 156 } | |
| 157 | |
| 158 | |
| 159 // 'Bound' section -- check properties of a bound function (has a bunch of inter
nal properties). | |
| 160 | |
| 161 function callbackStartBound() | |
| 162 { | |
| 163 var expression = "Number.bind({}, 5)"; | |
| 164 return { command: "Runtime.evaluate", params: {expression: expression}, callba
ck: callbackEvalBound }; | |
| 165 } | |
| 166 function callbackEvalBound(result) | |
| 167 { | |
| 168 var id = result.result.objectId; | |
| 169 if (id === undefined) | |
| 170 throw new Error("objectId is expected"); | |
| 171 return { | |
| 172 command: "Runtime.getProperties", params: {objectId: id, ownProperties: true
}, callback: callbackPropertiesBound | |
| 173 }; | |
| 174 } | |
| 175 function callbackPropertiesBound(result) | |
| 176 { | |
| 177 logGetPropertiesResult("Bound function", result); | |
| 178 return; // End of test | |
| 179 } | |
| 180 | |
| 181 // A helper function that dumps object properties and internal properties in sor
ted order. | |
| 182 function logGetPropertiesResult(title, protocolResult) | |
| 183 { | |
| 184 function hasGetterSetter(property, fieldName) | |
| 185 { | |
| 186 var v = property[fieldName]; | |
| 187 if (!v) | |
| 188 return false; | |
| 189 return v.type !== "undefined" | |
| 190 } | |
| 191 | |
| 192 InspectorTest.log("Properties of " + title); | |
| 193 var propertyArray = protocolResult.result; | |
| 194 propertyArray.sort(NamedThingComparator); | |
| 195 for (var i = 0; i < propertyArray.length; i++) { | |
| 196 var p = propertyArray[i]; | |
| 197 var v = p.value; | |
| 198 var own = p.isOwn ? "own" : "inherited"; | |
| 199 if (v) | |
| 200 InspectorTest.log(" " + p.name + " " + own + " " + v.type + " " + v.value
); | |
| 201 else | |
| 202 InspectorTest.log(" " + p.name + " " + own + " no value" + | |
| 203 (hasGetterSetter(p, "get") ? ", getter" : "") + (hasGetterSetter(p, "set
") ? ", setter" : "")); | |
| 204 } | |
| 205 var internalPropertyArray = protocolResult.internalProperties; | |
| 206 if (internalPropertyArray) { | |
| 207 InspectorTest.log("Internal properties"); | |
| 208 internalPropertyArray.sort(NamedThingComparator); | |
| 209 for (var i = 0; i < internalPropertyArray.length; i++) { | |
| 210 var p = internalPropertyArray[i]; | |
| 211 var v = p.value; | |
| 212 InspectorTest.log(" " + p.name + " " + v.type + " " + v.value); | |
| 213 } | |
| 214 } | |
| 215 | |
| 216 function NamedThingComparator(o1, o2) | |
| 217 { | |
| 218 return o1.name === o2.name ? 0 : (o1.name < o2.name ? -1 : 1); | |
| 219 } | |
| 220 } | |
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