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33 lines
882 B
33 lines
882 B
4 months ago
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import assert from 'assert';
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import { testMethodProperty } from './properties.js';
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describe('of', () => {
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it('is a method on Observable', () => {
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testMethodProperty(Observable, 'of', {
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configurable: true,
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writable: true,
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length: 0,
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});
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});
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it('uses the this value if it is a function', () => {
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let usesThis = false;
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Observable.of.call(function() { usesThis = true; });
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assert.ok(usesThis);
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});
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it('uses Observable if the this value is not a function', () => {
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let result = Observable.of.call({}, 1, 2, 3, 4);
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assert.ok(result instanceof Observable);
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});
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it('delivers arguments to next in a job', async () => {
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let values = [];
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let turns = 0;
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Observable.of(1, 2, 3, 4).subscribe(v => values.push(v));
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assert.equal(values.length, 0);
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await null;
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assert.deepEqual(values, [1, 2, 3, 4]);
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});
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});
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