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// Copyright 2020 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(
'Test RunTimeCallStats collection using Profiler.getRuntimeCallStats.');
var source =
`
function fib(x) {
if (x < 2) return 1;
return fib(x-1) + fib(x-2);
}
fib(5);
`;
function buildCounterMap(result) {
let counterMap = new Map();
let counters = result.result.result;
for (const {name, value} of counters) {
counterMap.set(name, value);
}
return counterMap;
}
function compareCounterMaps(counterMap, counterMap2) {
// Check for counters that are present in the first map but are not found
// in the the second map
for (let counter of counterMap.keys()) {
if (!counterMap2.has(counter)) {
InspectorTest.log(`Counter ${counter} is missing`);
return false;
}
}
// Check for the counter value changes
let counterValueIncreased = false;
for (let [counter, value2] of counterMap2) {
let value = counterMap.get(counter);
if (value !== undefined) {
if (value2 < value) {
InspectorTest.log(`Counter ${counter} value decreased: ${value} -> ${value2}`);
return false;
}
if (value2 > value) {
counterValueIncreased = true;
}
}
}
if (!counterValueIncreased && counterMap.size === counterMap2.size) {
InspectorTest.log(`No counter values has increased or added`);
return false;
}
return true;
}
(async function test() {
await Protocol.Runtime.enable();
await Protocol.Profiler.enableRuntimeCallStats();
let counterMap = buildCounterMap(await Protocol.Profiler.getRuntimeCallStats());
await Protocol.Runtime.evaluate({ expression: source, sourceURL: arguments.callee.name, persistScript: true });
let counterMap2 = buildCounterMap(await Protocol.Profiler.getRuntimeCallStats());
const check1 = compareCounterMaps(counterMap, counterMap2);
await Protocol.Runtime.evaluate({ expression: source, sourceURL: arguments.callee.name, persistScript: true });
let counterMap3 = buildCounterMap(await Protocol.Profiler.getRuntimeCallStats());
const check2 = compareCounterMaps(counterMap2, counterMap3);
await Protocol.Profiler.disableRuntimeCallStats();
await Protocol.Runtime.disable();
InspectorTest.log(check1 && check2 ? 'PASSED' : 'FAILED');
InspectorTest.completeTest();
})().catch(e => InspectorTest.log('caught: ' + e));
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