src,test: track URL.canParse fast API calls

src/node_url.cc

@@ -1,6 +1,7 @@
 #include "node_url.h"
 #include "ada.h"
 #include "base_object-inl.h"
+#include "node_debug.h"
 #include "node_errors.h"
 #include "node_external_reference.h"
 #include "node_i18n.h"
@@ -173,12 +174,14 @@ void BindingData::CanParse(const FunctionCallbackInfo<Value>& args) {
 
 bool BindingData::FastCanParse(Local<Value> receiver,
                                const FastOneByteString& input) {
+  TRACK_V8_FAST_API_CALL("url.canParse");
   return ada::can_parse(std::string_view(input.data, input.length));
 }
 
 bool BindingData::FastCanParseWithBase(Local<Value> receiver,
                                        const FastOneByteString& input,
                                        const FastOneByteString& base) {
+  TRACK_V8_FAST_API_CALL("url.canParse.withBase");
   auto base_view = std::string_view(base.data, base.length);
   return ada::can_parse(std::string_view(input.data, input.length), &base_view);
 }

test/parallel/test-whatwg-url-canparse.js

@@ -1,29 +1,38 @@
-// Flags: --expose-internals
+// Flags: --expose-internals --no-warnings --allow-natives-syntax
 'use strict';
 
-require('../common');
+const common = require('../common');
 
 const { URL } = require('url');
 const assert = require('assert');
 
-let internalBinding;
-try {
-  internalBinding = require('internal/test/binding').internalBinding;
-} catch (e) {
-  console.log('using `test/parallel/test-whatwg-url-canparse` requires `--expose-internals`');
-  throw e;
-}
+const { internalBinding } = require('internal/test/binding');
 
-const { canParse } = internalBinding('url');
+// One argument is required
+assert.throws(() => {
+  URL.canParse();
+}, {
+  code: 'ERR_MISSING_ARGS',
+  name: 'TypeError',
+});
 
 // It should not throw when called without a base string
 assert.strictEqual(URL.canParse('https://example.org'), true);
-assert.strictEqual(canParse('https://example.org'), true);
-
-// This for-loop is used to test V8 Fast API optimizations
-for (let i = 0; i < 100000; i++) {
-  // This example is used because only parsing the first parameter
-  // results in an invalid URL. They have to be used together to
-  // produce truthy value.
-  assert.strictEqual(URL.canParse('/', 'http://n'), true);
+
+if (common.isDebug) {
+  const { getV8FastApiCallCount } = internalBinding('debug');
+
+  function testFastPaths() {
+    // `canParse` binding has two overloads.
+    assert.strictEqual(URL.canParse('https://www.example.com/path/?query=param#hash'), true);
+    assert.strictEqual(URL.canParse('/', 'http://n'), true);
+  }
+
+  eval('%PrepareFunctionForOptimization(URL.canParse)');
+  testFastPaths();
+  eval('%OptimizeFunctionOnNextCall(URL.canParse)');
+  testFastPaths();
+
+  assert.strictEqual(getV8FastApiCallCount('url.canParse'), 1);
+  assert.strictEqual(getV8FastApiCallCount('url.canParse.withBase'), 1);
 }

typings/internalBinding/url.d.ts

@@ -6,6 +6,7 @@ export interface URLBinding {
   domainToASCII(input: string): string;
   domainToUnicode(input: string): string;
   canParse(input: string): boolean;
+  canParse(input: string, base: string): boolean;
   format(input: string, fragment?: boolean, unicode?: boolean, search?: boolean, auth?: boolean): string;
   parse(input: string, base?: string): string | false;
   update(input: string, actionType: typeof urlUpdateActions, value: string): string | false;