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https://issues.apache.org/jira/browse/GROOVY-10899?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Damir Murat resolved GROOVY-10899.
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Resolution: Not A Bug
> Problem with the equals operator
> --------------------------------
>
> Key: GROOVY-10899
> URL: https://issues.apache.org/jira/browse/GROOVY-10899
> Project: Groovy
> Issue Type: Bug
> Affects Versions: 4.0.7
> Reporter: Damir Murat
> Priority: Major
>
> I'm unsure if this is a general problem or just something with Uom
> ([https://github.com/unitsofmeasurement]) reference implementation.
> However, in the following script, the last assertion fails when it should
> not. I can't tell why, but the equals operator does not end in calling an
> {{equals()}} method in {{tech.units.indriya.AbstractQuantity}} class as it
> should.
>
> {code:java}
> @Grab('javax.measure:unit-api:2.1.3')
> @Grab('tech.units:indriya:2.1.3')
> import javax.measure.Quantity
> import javax.measure.Unit
> import javax.measure.quantity.Mass
> import tech.units.indriya.quantity.Quantities
> import tech.units.indriya.unit.Units
> Quantity<Mass> quantity1 = Quantities.getQuantity(10, Units.KILOGRAM)
> Quantity<Mass> quantity2 = Quantities.getQuantity(10_000, Units.GRAM)
> println "$quantity1 (${Integer.toHexString(quantity1.hashCode())})"
> println "$quantity2 (${Integer.toHexString(quantity2.hashCode())})"
> assert quantity1 !== quantity2
> assert !quantity1.equals(quantity2)
> // Should not fail, but it does
> assert quantity1 != quantity2
> {code}
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