trait Compare[A, B] extends AnyRef
A type-class that is used to compare values in MUnit assertions.
By default, uses == and allows comparison between any two types as long they have a supertype/subtype relationship. For example:
- Compare[T, T] OK
- Compare[Some[Int], Option[Int]] OK, subtype
- Compare[Option[Int], Some[Int]] OK, supertype
- Compare[List[Int], collection.Seq[Int]] OK, subtype
- Compare[List[Int], Vector[Int]] Error, requires upcast to Seq[Int]
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- abstract def isEqual(obtained: A, expected: B): Boolean
Returns true if the values are equal according to the rules of this
Compare[A, B]
instance.Returns true if the values are equal according to the rules of this
Compare[A, B]
instance.The default implementation of this method uses
==
.
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- final def !=(arg0: Any): Boolean
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- final def eq(arg0: AnyRef): Boolean
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- def failEqualsComparison(obtained: A, expected: B, title: Any, loc: Location, assertions: Assertions): Nothing
Throws an exception to fail this assertion when two values are not equal.
Throws an exception to fail this assertion when two values are not equal.
Override this method to customize the error message. For example, it may be helpful to generate an image/HTML file if you're comparing visual values. Anything is possible, use your imagination!
- returns
should ideally throw a org.junit.ComparisonFailException in order to support the IntelliJ diff viewer.
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