mirror of https://github.com/nodejs/node.git
45 lines
1.5 KiB
JavaScript
45 lines
1.5 KiB
JavaScript
// Flags: --expose-internals --no-warnings --allow-natives-syntax
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'use strict';
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const common = require('../common');
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const { URL } = require('url');
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const assert = require('assert');
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const { internalBinding } = require('internal/test/binding');
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// One argument is required
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assert.throws(() => {
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URL.canParse();
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}, {
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code: 'ERR_MISSING_ARGS',
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name: 'TypeError',
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});
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// It should not throw when called without a base string
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assert.strictEqual(URL.canParse('https://example.org'), true);
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{
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// Only javascript methods can be optimized through %OptimizeFunctionOnNextCall
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// This is why we surround the C++ method we want to optimize with a JS function.
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function testFastPaths() {
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// `canParse` binding has two overloads.
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assert.strictEqual(URL.canParse('https://www.example.com/path/?query=param#hash'), true);
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assert.strictEqual(URL.canParse('/', 'http://n'), true);
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}
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// Since our JS function contains other javascript functions,
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// we need to specify which function we want to optimize. This is why
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// the next line does not optimize "testFastPaths" but "URL.canParse"
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eval('%PrepareFunctionForOptimization(URL.canParse)');
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testFastPaths();
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eval('%OptimizeFunctionOnNextCall(URL.canParse)');
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testFastPaths();
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if (common.isDebug) {
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const { getV8FastApiCallCount } = internalBinding('debug');
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assert.strictEqual(getV8FastApiCallCount('url.canParse'), 1);
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assert.strictEqual(getV8FastApiCallCount('url.canParse.withBase'), 1);
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}
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}
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