mirror of https://github.com/nodejs/node.git
75 lines
1.6 KiB
JavaScript
75 lines
1.6 KiB
JavaScript
// Flags: --no-warnings --expose-internals
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'use strict';
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require('../common');
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const {
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ByteLengthQueuingStrategy,
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CountQueuingStrategy,
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} = require('stream/web');
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const {
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inspect,
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} = require('util');
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const {
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isPromisePending,
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} = require('internal/webstreams/util');
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const assert = require('assert');
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assert(!isPromisePending({}));
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assert(!isPromisePending(Promise.resolve()));
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assert(isPromisePending(new Promise(() => {})));
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// Brand checking works
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assert.throws(() => {
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Reflect.get(ByteLengthQueuingStrategy.prototype, 'highWaterMark', {});
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}, {
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name: 'TypeError',
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message: /Cannot read private member/,
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});
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assert.throws(() => {
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Reflect.get(ByteLengthQueuingStrategy.prototype, 'size', {});
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}, {
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name: 'TypeError',
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message: /Cannot read private member/,
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});
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assert.throws(() => {
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Reflect.get(CountQueuingStrategy.prototype, 'highWaterMark', {});
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}, {
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name: 'TypeError',
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message: /Cannot read private member/,
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});
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assert.throws(() => {
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Reflect.get(CountQueuingStrategy.prototype, 'size', {});
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}, {
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name: 'TypeError',
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message: /Cannot read private member/,
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});
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// Custom Inspect Works
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{
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const strategy = new CountQueuingStrategy({ highWaterMark: 1 });
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assert.strictEqual(
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inspect(strategy, { depth: null }),
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'CountQueuingStrategy { highWaterMark: 1 }');
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assert.strictEqual(
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inspect(strategy),
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'CountQueuingStrategy { highWaterMark: 1 }');
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assert.strictEqual(
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inspect(strategy, { depth: 0 }),
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'CountQueuingStrategy [Object]');
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assert.strictEqual(
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inspect(new ByteLengthQueuingStrategy({ highWaterMark: 1 })),
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'ByteLengthQueuingStrategy { highWaterMark: 1 }');
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}
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