Package org.hamcrest.number
Class IsNaN
- All Implemented Interfaces:
Matcher<Double>
,SelfDescribing
Is the value a number actually not a number (NaN)?
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoid
describeMismatchSafely
(Double item, Description mismatchDescription) Subclasses should override this.void
describeTo
(Description description) Generates a description of the object.boolean
matchesSafely
(Double item) Subclasses should implement this.Creates a matcher ofDouble
s that matches when an examined double is not a number.Methods inherited from class org.hamcrest.TypeSafeMatcher
describeMismatch, matches
Methods inherited from class org.hamcrest.BaseMatcher
_dont_implement_Matcher___instead_extend_BaseMatcher_, isNotNull, toString
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Constructor Details
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IsNaN
private IsNaN()
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Method Details
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matchesSafely
Description copied from class:TypeSafeMatcher
Subclasses should implement this. The item will already have been checked for the specific type and will never be null.- Specified by:
matchesSafely
in classTypeSafeMatcher<Double>
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describeMismatchSafely
Description copied from class:TypeSafeMatcher
Subclasses should override this. The item will already have been checked for the specific type and will never be null.- Overrides:
describeMismatchSafely
in classTypeSafeMatcher<Double>
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describeTo
Description copied from interface:SelfDescribing
Generates a description of the object. The description may be part of a a description of a larger object of which this is just a component, so it should be worded appropriately.- Parameters:
description
- The description to be built or appended to.
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notANumber
Creates a matcher ofDouble
s that matches when an examined double is not a number. For example:assertThat(Double.NaN, is(notANumber()))
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