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Add test assertions for infinite/nan values #5049

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Merged
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May 14, 2021
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Add test assertions for infinite/nan values #5049

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f514661
Add test assertions for infinite/nan values
fsarradin May 8, 2021
41cac44
Fix compatibility issue with 2.11 (isFinite not member of Double/Float)
fsarradin May 8, 2021
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60 changes: 60 additions & 0 deletions test/shared/src/main/scala/zio/test/Assertion.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -575,6 +575,66 @@ object Assertion extends AssertionVariants {
def isPositive[A](implicit num: Numeric[A]): Assertion[A] =
isGreaterThan(num.zero)

/**
* Makes a new assertions that requires a double value is not a number (NaN).
*/
def isNaNDouble: Assertion[Double] =
Assertion.assertion("isNaNDouble")()(_.isNaN)

/**
* Makes a new assertions that requires a float value is not a number (NaN).
*/
def isNaNFloat: Assertion[Float] =
Assertion.assertion("isNaNFloat")()(_.isNaN)

/**
* Makes a new assertions that requires a double value is positive infinity.
*/
def isPosInfinityDouble: Assertion[Double] =
Assertion.assertion("isPosInfinityDouble")()(_.isPosInfinity)

/**
* Makes a new assertions that requires a float value is positive infinity.
*/
def isPosInfinityFloat: Assertion[Float] =
Assertion.assertion("isPosInfinityFloat")()(_.isPosInfinity)

/**
* Makes a new assertions that requires a double value is negative infinity.
*/
def isNegInfinityDouble: Assertion[Double] =
Assertion.assertion("isNegInfinityDouble")()(_.isNegInfinity)

/**
* Makes a new assertions that requires a float value is negative infinity.
*/
def isNegInfinityFloat: Assertion[Float] =
Assertion.assertion("isNegInfinityFloat")()(_.isNegInfinity)

/**
* Makes a new assertions that requires a double value is finite.
*/
def isFiniteDouble: Assertion[Double] =
Assertion.assertion("isFiniteDouble")()(_.abs <= Double.MaxValue)

/**
* Makes a new assertions that requires a float value is finite.
*/
def isFiniteFloat: Assertion[Float] =
Assertion.assertion("isFiniteFloat")()(_.abs <= Float.MaxValue)

/**
* Makes a new assertions that requires a double value is infinite.
*/
def isInfiniteDouble: Assertion[Double] =
Assertion.assertion("isInfiniteDouble")()(_.isInfinite)

/**
* Makes a new assertions that requires a float value is infinite.
*/
def isInfiniteFloat: Assertion[Float] =
Assertion.assertion("isInfiniteFloat")()(_.isInfinite)

/**
* Makes a new assertion that requires a Right value satisfying a specified
* assertion.
Expand Down