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amp/test/AllTest.php

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<?php
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namespace Amp\Test;
use Amp\Delayed;
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use Amp\PHPUnit\AsyncTestCase;
use Amp\Promise;
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use Amp\Success;
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use function Amp\await;
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class AllTest extends AsyncTestCase
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{
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public function testEmptyArray(): void
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{
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$this->assertSame([], await(Promise\all([])));
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}
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public function testSuccessfulPromisesArray(): void
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{
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$promises = [new Success(1), new Success(2), new Success(3)];
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$this->assertSame([1, 2, 3], await(Promise\all($promises)));
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}
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public function testPendingPromiseArray(): void
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{
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$promises = [
new Delayed(20, 1),
new Delayed(30, 2),
new Delayed(10, 3),
];
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$this->assertSame([1, 2, 3], await(Promise\all($promises)));
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}
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public function testArrayKeysPreserved(): void
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{
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$expected = ['one' => 1, 'two' => 2, 'three' => 3];
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$promises = [
'one' => new Delayed(20, 1),
'two' => new Delayed(30, 2),
'three' => new Delayed(10, 3),
];
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$this->assertEquals($expected, await(Promise\all($promises)));
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}
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public function testNonPromise(): void
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{
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$this->expectException(\TypeError::class);
Promise\all([1]);
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}
}