perf_hooks: convert maxSize to IDL value in setResourceTimingBufferSize

ECMAScript values of WebIDL interface parameters should be converted to
IDL representatives before the actual implementation, as defined in step
11.5 of the WebIDL Overload resolution algorithm.

Backport-PR-URL: #45829
Refs: https://webidl.spec.whatwg.org/#dfn-create-operation-function
Refs: https://webidl.spec.whatwg.org/#es-overloads
PR-URL: #44902
Reviewed-By: James M Snell <jasnell@gmail.com>

lib/internal/perf/observe.js

@@ -66,6 +66,7 @@ const {
 const { inspect } = require('util');
 
 const { now } = require('internal/perf/utils');
+const { convertToInt } = require('internal/webidl');
 
 const kDispatch = Symbol('kDispatch');
 const kMaybeBuffer = Symbol('kMaybeBuffer');
@@ -430,6 +431,8 @@ function bufferResourceTiming(entry) {
 
 // https://w3c.github.io/resource-timing/#dom-performance-setresourcetimingbuffersize
 function setResourceTimingBufferSize(maxSize) {
+  // unsigned long
+  maxSize = convertToInt('maxSize', maxSize, 32);
   // If the maxSize parameter is less than resource timing buffer current
   // size, no PerformanceResourceTiming objects are to be removed from the
   // performance entry buffer.

test/parallel/test-internal-webidl-converttoint.js

@@ -0,0 +1,58 @@
+// Flags: --expose-internals
+'use strict';
+
+require('../common');
+const assert = require('assert');
+const { convertToInt, evenRound } = require('internal/webidl');
+
+assert.strictEqual(evenRound(-0.5), 0);
+assert.strictEqual(evenRound(0.5), 0);
+assert.strictEqual(evenRound(-1.5), -2);
+assert.strictEqual(evenRound(1.5), 2);
+assert.strictEqual(evenRound(3.4), 3);
+assert.strictEqual(evenRound(4.6), 5);
+assert.strictEqual(evenRound(5), 5);
+assert.strictEqual(evenRound(6), 6);
+
+// https://webidl.spec.whatwg.org/#abstract-opdef-converttoint
+assert.strictEqual(convertToInt('x', 0, 64), 0);
+assert.strictEqual(convertToInt('x', 1, 64), 1);
+assert.strictEqual(convertToInt('x', -0.5, 64), 0);
+assert.strictEqual(convertToInt('x', -0.5, 64, { signed: true }), 0);
+assert.strictEqual(convertToInt('x', -1.5, 64, { signed: true }), -1);
+
+// EnforceRange
+const OutOfRangeValues = [ NaN, Infinity, -Infinity, 2 ** 53, -(2 ** 53) ];
+for (const value of OutOfRangeValues) {
+  assert.throws(() => convertToInt('x', value, 64, { enforceRange: true }), {
+    name: 'TypeError',
+    code: 'ERR_INVALID_ARG_VALUE',
+  });
+}
+
+// Out of range: clamp
+assert.strictEqual(convertToInt('x', NaN, 64, { clamp: true }), 0);
+assert.strictEqual(convertToInt('x', Infinity, 64, { clamp: true }), Number.MAX_SAFE_INTEGER);
+assert.strictEqual(convertToInt('x', -Infinity, 64, { clamp: true }), 0);
+assert.strictEqual(convertToInt('x', -Infinity, 64, { signed: true, clamp: true }), Number.MIN_SAFE_INTEGER);
+assert.strictEqual(convertToInt('x', 0x1_0000_0000, 32, { clamp: true }), 0xFFFF_FFFF);
+assert.strictEqual(convertToInt('x', 0xFFFF_FFFF, 32, { clamp: true }), 0xFFFF_FFFF);
+assert.strictEqual(convertToInt('x', 0x8000_0000, 32, { clamp: true, signed: true }), 0x7FFF_FFFF);
+assert.strictEqual(convertToInt('x', 0xFFFF_FFFF, 32, { clamp: true, signed: true }), 0x7FFF_FFFF);
+assert.strictEqual(convertToInt('x', 0.5, 64, { clamp: true }), 0);
+assert.strictEqual(convertToInt('x', 1.5, 64, { clamp: true }), 2);
+assert.strictEqual(convertToInt('x', -0.5, 64, { clamp: true }), 0);
+assert.strictEqual(convertToInt('x', -0.5, 64, { signed: true, clamp: true }), 0);
+assert.strictEqual(convertToInt('x', -1.5, 64, { signed: true, clamp: true }), -2);
+
+// Out of range, step 8.
+assert.strictEqual(convertToInt('x', NaN, 64), 0);
+assert.strictEqual(convertToInt('x', Infinity, 64), 0);
+assert.strictEqual(convertToInt('x', -Infinity, 64), 0);
+assert.strictEqual(convertToInt('x', 0x1_0000_0000, 32), 0);
+assert.strictEqual(convertToInt('x', 0x1_0000_0001, 32), 1);
+assert.strictEqual(convertToInt('x', 0xFFFF_FFFF, 32), 0xFFFF_FFFF);
+
+// Out of range, step 11.
+assert.strictEqual(convertToInt('x', 0x8000_0000, 32, { signed: true }), -0x8000_0000);
+assert.strictEqual(convertToInt('x', 0xFFF_FFFF, 32, { signed: true }), 0xFFF_FFFF);

test/parallel/test-performance-resourcetimingbuffersize.js

@@ -30,6 +30,17 @@ const initiatorType = '';
 const cacheMode = '';
 
 async function main() {
+  // Invalid buffer size values are converted to 0.
+  const invalidValues = [ null, undefined, true, false, -1, 0.5, Infinity, NaN, '', 'foo', {}, [], () => {} ];
+  for (const value of invalidValues) {
+    performance.setResourceTimingBufferSize(value);
+    performance.markResourceTiming(timingInfo, requestedUrl, initiatorType, globalThis, cacheMode);
+    assert.strictEqual(performance.getEntriesByType('resource').length, 0);
+    performance.clearResourceTimings();
+  }
+  // Wait for the buffer full event to be cleared.
+  await waitBufferFullEvent();
+
   performance.setResourceTimingBufferSize(1);
   performance.markResourceTiming(timingInfo, requestedUrl, initiatorType, globalThis, cacheMode);
   // Trigger a resourcetimingbufferfull event.