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33 lines
879 B
PHP
33 lines
879 B
PHP
<?php
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declare(strict_types=1);
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namespace Psalm\Tests\Type;
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use InvalidArgumentException;
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use Psalm\Tests\TestCase;
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use Psalm\Type\Atomic\TFloat;
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use Psalm\Type\Atomic\TLiteralFloat;
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use Psalm\Type\Union;
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final class UnionTest extends TestCase
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{
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public function testWillDetectSingleLiteralFloat(): void
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{
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$literalFloat = new TLiteralFloat(1.0);
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$union = new Union([$literalFloat]);
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self::assertTrue($union->isSingleFloatLiteral());
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self::assertTrue($union->hasLiteralFloat());
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self::assertSame($literalFloat, $union->getSingleFloatLiteral());
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}
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public function testWillThrowInvalidArgumentExceptionWhenSingleFloatLiteralIsRequestedButNoneExists(): void
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{
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$this->expectException(InvalidArgumentException::class);
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$union = new Union([new TFloat()]);
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$union->getSingleFloatLiteral();
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}
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}
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