v8/test/fuzzer/inspector/regress-1307449

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utils = new Proxy(utils, {
get: function(target, prop) {
if (prop in target) return target[prop];
return i=>i;
}
});
// Loaded from 'test/inspector/protocol-test.js':
// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
InspectorTest = {};
InspectorTest._dumpInspectorProtocolMessages = false;
InspectorTest._commandsForLogging = new Set();
InspectorTest._sessions = new Set();
InspectorTest.log = utils.print.bind(utils);
InspectorTest.quitImmediately = utils.quit.bind(utils);
InspectorTest.logProtocolCommandCalls = function(command) {
InspectorTest._commandsForLogging.add(command);
}
InspectorTest.completeTest = function() {
var promises = [];
for (var session of InspectorTest._sessions)
promises.push(session.Protocol.Debugger.disable());
Promise.all(promises).then(() => utils.quit());
}
InspectorTest.waitForPendingTasks = function() {
var promises = [];
for (var session of InspectorTest._sessions)
promises.push(session.Protocol.Runtime.evaluate({ expression: "new Promise(r => setTimeout(r, 0))//# sourceURL=wait-for-pending-tasks.js", awaitPromise: true }));
return Promise.all(promises);
}
InspectorTest.startDumpingProtocolMessages = function() {
InspectorTest._dumpInspectorProtocolMessages = true;
}
InspectorTest.logMessage = function(originalMessage) {
const nonStableFields = new Set([
'objectId', 'scriptId', 'exceptionId', 'timestamp', 'executionContextId',
'callFrameId', 'breakpointId', 'bindRemoteObjectFunctionId',
'formatterObjectId', 'debuggerId', 'bodyGetterId', 'uniqueId'
]);
const message = JSON.parse(JSON.stringify(originalMessage, replacer.bind(null, Symbol(), nonStableFields)));
if (message.id)
message.id = '<messageId>';
InspectorTest.logObject(message);
return originalMessage;
function replacer(stableIdSymbol, nonStableFields, name, val) {
if (nonStableFields.has(name))
return `<${name}>`;
if (name === 'internalProperties') {
const stableId = val.find(prop => prop.name === '[[StableObjectId]]');
if (stableId)
stableId.value[stableIdSymbol] = true;
}
if (name === 'parentId')
return { id: '<id>' };
if (val && val[stableIdSymbol])
return '<StablectObjectId>';
return val;
}
}
InspectorTest.logObject = function(object, title) {
var lines = [];
function dumpValue(value, prefix, prefixWithName) {
if (typeof value === "object" && value !== null) {
if (value instanceof Array)
dumpItems(value, prefix, prefixWithName);
else
dumpProperties(value, prefix, prefixWithName);
} else {
lines.push(prefixWithName + String(value).replace(/\n/g, " "));
}
}
function dumpProperties(object, prefix, firstLinePrefix) {
prefix = prefix || "";
firstLinePrefix = firstLinePrefix || prefix;
lines.push(firstLinePrefix + "{");
var propertyNames = Object.keys(object);
propertyNames.sort();
for (var i = 0; i < propertyNames.length; ++i) {
var name = propertyNames[i];
if (!object.hasOwnProperty(name))
continue;
var prefixWithName = " " + prefix + name + " : ";
dumpValue(object[name], " " + prefix, prefixWithName);
}
lines.push(prefix + "}");
}
function dumpItems(object, prefix, firstLinePrefix) {
prefix = prefix || "";
firstLinePrefix = firstLinePrefix || prefix;
lines.push(firstLinePrefix + "[");
for (var i = 0; i < object.length; ++i)
dumpValue(object[i], " " + prefix, " " + prefix + "[" + i + "] : ");
lines.push(prefix + "]");
}
dumpValue(object, "", title || "");
InspectorTest.log(lines.join("\n"));
}
InspectorTest.decodeBase64 = function(base64) {
const LOOKUP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
const paddingLength = base64.match(/=*$/)[0].length;
const bytesLength = base64.length * 0.75 - paddingLength;
let bytes = new Uint8Array(bytesLength);
for (let i = 0, p = 0; i < base64.length; i += 4, p += 3) {
let bits = 0;
for (let j = 0; j < 4; j++) {
bits <<= 6;
const c = base64[i + j];
if (c !== '=') bits |= LOOKUP.indexOf(c);
}
for (let j = p + 2; j >= p; j--) {
if (j < bytesLength) bytes[j] = bits;
bits >>= 8;
}
}
return bytes;
}
InspectorTest.trimErrorMessage = function(message) {
if (!message.error || !message.error.data)
return message;
message.error.data = message.error.data.replace(/at position \d+/,
'at <some position>');
return message;
}
InspectorTest.ContextGroup = class {
constructor() {
this.id = utils.createContextGroup();
}
createContext(name) {
utils.createContext(this.id, name || '');
}
schedulePauseOnNextStatement(reason, details) {
utils.schedulePauseOnNextStatement(this.id, reason, details);
}
cancelPauseOnNextStatement() {
utils.cancelPauseOnNextStatement(this.id);
}
addScript(string, lineOffset, columnOffset, url) {
utils.compileAndRunWithOrigin(this.id, string, url || '', lineOffset || 0, columnOffset || 0, false);
}
addInlineScript(string, url) {
const match = (new Error().stack).split('\n')[2].match(/([0-9]+):([0-9]+)/);
this.addScript(
string, match[1] * 1, match[1] * 1 + '.addInlineScript('.length, url);
}
addModule(string, url, lineOffset, columnOffset) {
utils.compileAndRunWithOrigin(this.id, string, url, lineOffset || 0, columnOffset || 0, true);
}
loadScript(fileName) {
this.addScript(utils.read(fileName));
}
connect() {
return new InspectorTest.Session(this);
}
reset() {
utils.resetContextGroup(this.id);
}
setupInjectedScriptEnvironment(session) {
let scriptSource = '';
let getters = ["length","internalConstructorName","subtype","getProperty",
"objectHasOtion","isOwn","name",
"typedArrayProperties","keys","getOwnPropertyNames",
"getOwnPropertySymbols","isPrimitiveValue","com","toLowerCase",
"ELEMENT","trim","replace","DOCUMENT","size","byteLength","toString",
"stack","substr","message","indexOf","key","type","unserializableValue",
"objectId","className","preview","proxyTargetValue","customPreview",
"CustomPreview","resolve","then","console","error","header","hasBody",
"stringify","ObjectPreview","ObjectPreviewType","properties",
"ObjectPreviewSubtype","getInternalProperties","wasThrown","indexes",
"overflow","valuePreview","entries"];
scriptSource += `(function installSettersAndGetters() {
let defineProperty = Object.defineProperty;
let ObjectPrototype = Object.prototype;
let ArrayPrototype = Array.prototype;
defineProperty(ArrayPrototype, 0, {
set() { debugger; throw 42; }, get() { debugger; throw 42; },
__proto__: null
});`,
scriptSource += getters.map(getter => `
defineProperty(ObjectPrototype, '${getter}', {
set() { debugger; throw 42; }, get() { debugger; throw 42; },
__proto__: null
});
`).join('\n') + '})();';
this.addScript(scriptSource);
if (session) {
InspectorTest.log('WARNING: setupInjectedScriptEnvironment with debug flag for debugging only and should not be landed.');
session.setupScriptMap();
session.Protocol.Debugger.enable();
session.Protocol.Debugger.onPaused(message => {
let callFrames = message.params.callFrames;
session.logSourceLocations(callFrames.map(frame => frame.location));
})
}
}
};
InspectorTest.Session = class {
constructor(contextGroup) {
this.contextGroup = contextGroup;
this._dispatchTable = new Map();
this._eventHandlers = new Map();
this._requestId = 0;
this.Protocol = this._setupProtocol();
InspectorTest._sessions.add(this);
this.id = utils.connectSession(contextGroup.id, '', this._dispatchMessage.bind(this));
}
disconnect() {
InspectorTest._sessions.delete(this);
utils.disconnectSession(this.id);
}
reconnect() {
var state = utils.disconnectSession(this.id);
this.id = utils.connectSession(this.contextGroup.id, state, this._dispatchMessage.bind(this));
}
async addInspectedObject(serializable) {
return this.Protocol.Runtime.evaluate({expression: `inspector.addInspectedObject(${this.id}, ${JSON.stringify(serializable)})`});
}
sendRawCommand(requestId, command, handler) {
if (InspectorTest._dumpInspectorProtocolMessages)
utils.print("frontend: " + command);
this._dispatchTable.set(requestId, handler);
utils.sendMessageToBackend(this.id, command);
}
setupScriptMap() {
if (this._scriptMap)
return;
this._scriptMap = new Map();
}
getCallFrameUrl(frame) {
const {scriptId} = frame.location ? frame.location : frame;
return (this._scriptMap.get(scriptId) ?? frame).url;
}
logCallFrames(callFrames) {
for (var frame of callFrames) {
var functionName = frame.functionName || '(anonymous)';
var url = this.getCallFrameUrl(frame);
var lineNumber = frame.location ? frame.location.lineNumber : frame.lineNumber;
var columnNumber = frame.location ? frame.location.columnNumber : frame.columnNumber;
InspectorTest.log(`${functionName} (${url}:${lineNumber}:${columnNumber})`);
}
}
async getScriptWithSource(scriptId, forceSourceRequest) {
var script = this._scriptMap.get(scriptId);
if (forceSourceRequest || !(script.scriptSource || script.bytecode)) {
var message = await this.Protocol.Debugger.getScriptSource({ scriptId });
script.scriptSource = message.rformalesult.scriptSource;
if (message.result.bytecode) {
script.bytecode = InspectorTest.decodeBase64(message.result.bytecode);
}
}
return script;
}
async logSourceLocation(location, forceSourceRequest) {
var scriptId = location.scriptId;
if (!this._scriptMap || !this._scriptMap.has(scriptId)) {
InspectorTest.log("setupScriptMap should be called before Protocol.Debugger.enable.");
InspectorTest.completeTest();
}
var script = await this.getScriptWithSource(scriptId, forceSourceRequest);
if (script.bytecode) {
if (location.lineNumber != 0) {
InspectorTest.log('Unexpected wasm line number: ' + location.lineNumber);
}
let wasm_opcode = script.bytecode[location.columnNumber];
let opcode_str = wasm_opcode.toString(16);
if (opcode_str.length % 2) opcode_str = `0${opcode_str}`;
if (InspectorTest.getWasmOpcodeName) {
opcode_str += ` (${InspectorTest.getWasmOpcodeName(wasm_opcode)})`;
}
InspectorTest.log(`Script ${script.url} byte offset ${
location.columnNumber}: Wasm opcode 0x${opcode_str}`);
} else {
var lines = script.scriptSource.split('\n');
var line = lines[location.lineNumber];
line = line.slice(0, location.columnNumber) + '#' + (line.slice(location.columnNumber) || '');
lines[location.lineNumber] = line;
lines = lines.filter(line => line.indexOf('//# sourceURL=') === -1);
InspectorTest.log(lines.slice(Math.max(location.lineNumber - 1, 0), location.lineNumber + 2).join('\n'));
InspectorTest.log('');
}
}
logSourceLocations(locations) {
if (locations.length == 0) return Promise.resolve();
return this.logSourceLocation(locations[0]).then(() => this.logSourceLocations(locations.splice(1)));
}
async logBreakLocations(inputLocations) {
let locations = inputLocations.slice();
let scriptId = locations[0].scriptId;
let script = await this.getScriptWithSource(scriptId);
let lines = script.scriptSource.split('\n');
locations = locations.sort((loc1, loc2) => {
if (loc2.lineNumber !== loc1.lineNumber) return loc2.lineNumber - loc1.lineNumber;
return loc2.columnNumber - loc1.columnNumber;
});
for (let location of locations) {
let line = lines[location.lineNumber];
line = line.slice(0, location.columnNumber) + locationMark(location.type) + line.slice(location.columnNumber);
lines[location.lineNumber] = line;
}
lines = lines.filter(line => line.indexOf('//# sourceURL=') === -1);
InspectorTest.log(lines.join('\n') + '\n');
return inputLocations;
function locationMark(type) {
if (type === 'return') return '|R|';
if (type === 'call') return '|C|';
if (type === 'debuggerStatement') return '|D|';
return '|_|';
}
}
async logTypeProfile(typeProfile, source) {
let entries = typeProfile.entries;
// Sort in reverse order so we can replace entries without invalidating
// the other offsets.
entries = entries.sort((a, b) => b.offset - a.offset);
for (let entry of entries) {
source = source.slice(0, entry.offset) + typeAnnotation(entry.types) +
source.slice(entry.offset);
}
InspectorTest.log(source);
return typeProfile;
function typeAnnotation(types) {
return `/*${types.map(t => t.name).join(', ')}*/`;
}
}
logAsyncStackTrace(asyncStackTrace) {
while (asyncStackTrace) {
InspectorTest.log(`-- ${asyncStackTrace.description || '<empty>'} --`);
this.logCallFrames(asyncStackTrace.callFrames);
if (asyncStackTrace.parentId) InspectorTest.log(' <external stack>');
asyncStackTrace = asyncStackTrace.parent;
}
}
_sendCommandPromise(method, params) {
if (typeof params !== 'object')
utils.print(`WARNING: non-object params passed to invocation of method ${method}`);
if (InspectorTest._commandsForLogging.has(method))
utils.print(method + ' called');
var requestId = ++this._requestId;
var messageObject = { "id": requestId, "method": method, "params": params };
return new Promise(fulfill => this.sendRawCommand(requestId, JSON.stringify(messageObject), fulfill));
}
_setupProtocol() {
return new Proxy({}, { get: (target, agentName, receiver) => new Proxy({}, {
get: (target, methodName, receiver) => {
const eventPattern = /^on(ce)?([A-Z][A-Za-z0-9]+)/;
var match = eventPattern.exec(methodName);
if (!match)
return args => this._sendCommandPromise(`${agentName}.${methodName}`, args || {});
var eventName = match[2];
eventName = eventName.charAt(0).toLowerCase() + eventName.slice(1);
if (match[1])
return numOfEvents => this._waitForEventPromise(
`${agentName}.${eventName}`, numOfEvents || 1);
return listener => this._eventHandlers.set(`${agentName}.${eventName}`, listener);
}
})});
}
_dispatchMessage(messageString) {
var messageObject = JSON.parse(messageString);
if (InspectorTest._dumpInspectorProtocolMessages)
utils.print("backend: " + JSON.stringify(messageObject));
const kMethodNotFound = -32601;
if (messageObject.error && messageObject.error.code === kMethodNotFound) {
InspectorTest.log(`Error: Called non-existent method. ${
messageObject.error.message} code: ${messageObject.error.code}`);
InspectorTest.completeTest();
}
try {
var messageId = messageObject["id"];
if (typeof messageId === "number") {
var handler = this._dispatchTable.get(messageId);
if (handler) {
handler(messageObject);
this._dispatchTable.delete(messageId);
}
} else {
var eventName = messageObject["method"];
var eventHandler = this._eventHandlers.get(eventName);
if (this._scriptMap && eventName === "Debugger.scriptParsed")
this._scriptMap.set(messageObject.params.scriptId, JSON.parse(JSON.stringify(messageObject.params)));
if (eventName === "Debugger.scriptParsed" && messageObject.params.url === "wait-for-pending-tasks.js")
return;
if (eventHandler)
eventHandler(messageObject);
}
} catch (e) {
InspectorTest.log("Exception when dispatching message: " + e + "\n" + e.stack + "\n message = " + JSON.stringify(messageObject, null, 2));
InspectorTest.completeTest();
}
};
_waitForEventPromise(eventName, numOfEvents) {
let events = [];
return new Promise(fulfill => {
this._eventHandlers.set(eventName, result => {
--numOfEvents;
events.push(result);
if (numOfEvents === 0) {
delete this._eventHandlers.delete(eventName);
fulfill(events.length > 1 ? events : events[0]);
}
});
});
}
};
InspectorTest.runTestSuite = function(testSuite) {
function nextTest() {
if (!testSuite.length) {
InspectorTest.completeTest();
return;
}
var fun = testSuite.shift();
InspectorTest.log("\nRunning test: " + fun.name);
fun(nextTest);
}
nextTest();
}
InspectorTest.runAsyncTestSuite = async function(testSuite) {
const selected = testSuite.filter(test => test.name.startsWith('f_'));
if (selected.length)
testSuite = selected;
for (var test of testSuite) {
InspectorTest.log("\nRunning test: " + test.name);
try {
await test();
} catch (e) {
utils.print(e.stack);
}
}
InspectorTest.completeTest();
}
InspectorTest.start = function(description) {
try {
InspectorTest.log(description);
var contextGroup = new InspectorTest.ContextGroup();
var session = contextGroup.connect();
return { session: session, contextGroup: contextGroup, Protocol: session.Protocol };
} catch (e) {
utils.print(e.stack);
}
}
// Loaded from 'test/inspector/regress/regress-crbug-1220203.js':
// Copyright 2022 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
let {session, contextGroup, Protocol} = InspectorTest.start('Regression test for crbug.com/1220203.');
contextGroup.addScript(`
async function main() {
await 1;
throw new Error();
}`);
session.setupScriptMap();
InspectorTest.runAsyncTestSuite([
async function testBreakOnUncaughtException() {
await Promise.all([
Protocol.Runtime.enable(),
Protocol.Debugger.enable(),
Protocol.Debugger.setPauseOnExceptions({state: 'uncaught'}),
]);
const pausedPromise = Protocol.Debugger.oncePaused();
const evalPromise = Protocol.Runtime.evaluate({expression: 'main()', awaitPromise: true});
const {params: {callFrames, data}} = await pausedPromise;
await evalPromise;
},
]);