Class Numbers<NUMBER extends Number & Comparable<NUMBER>>

java.lang.Object
org.assertj.core.internal.Comparables
org.assertj.core.internal.Numbers<NUMBER>
Direct Known Subclasses:
BigDecimals, BigIntegers, Bytes, Integers, Longs, RealNumbers, Shorts

public abstract class Numbers<NUMBER extends Number & Comparable<NUMBER>> extends Comparables
Base class of reusable assertions for numbers.
  • Constructor Details

    • Numbers

      public Numbers()
    • Numbers

      public Numbers(ComparisonStrategy comparisonStrategy)
  • Method Details

    • zero

      protected abstract NUMBER zero()
    • one

      protected abstract NUMBER one()
    • assertIsZero

      public void assertIsZero(AssertionInfo info, NUMBER actual)
      Asserts that the actual value is equal to zero.
      It does not rely on the custom comparisonStrategy (if one is set).
      Parameters:
      info - contains information about the assertion.
      actual - the actual value.
      Throws:
      AssertionError - if the actual value is null.
      AssertionError - if the actual value is not equal to zero.
    • assertIsNotZero

      public void assertIsNotZero(AssertionInfo info, NUMBER actual)
      Asserts that the actual value is not equal to zero.
      It does not rely on the custom comparisonStrategy (if one is set).
      Parameters:
      info - contains information about the assertion.
      actual - the actual value.
      Throws:
      AssertionError - if the actual value is null.
      AssertionError - if the actual value is equal to zero.
    • assertIsOne

      public void assertIsOne(AssertionInfo info, NUMBER actual)
      Asserts that the actual value is equal to one.
      It does not rely on the custom comparisonStrategy (if one is set).
      Parameters:
      info - contains information about the assertion.
      actual - the actual value.
      Throws:
      AssertionError - if the actual value is null.
      AssertionError - if the actual value is not equal to one.
    • assertIsNegative

      public void assertIsNegative(AssertionInfo info, NUMBER actual)
      Asserts that the actual value is negative.
      Parameters:
      info - contains information about the assertion.
      actual - the actual value.
      Throws:
      AssertionError - if the actual value is null.
      AssertionError - if the actual value is not negative: it is either equal to or greater than zero.
    • assertIsPositive

      public void assertIsPositive(AssertionInfo info, NUMBER actual)
      Asserts that the actual value is positive.
      Parameters:
      info - contains information about the assertion.
      actual - the actual value.
      Throws:
      AssertionError - if the actual value is null.
      AssertionError - if the actual value is not positive: it is either equal to or less than zero.
    • assertIsNotNegative

      public void assertIsNotNegative(AssertionInfo info, NUMBER actual)
      Asserts that the actual value is not negative.
      Parameters:
      info - contains information about the assertion.
      actual - the actual value.
      Throws:
      AssertionError - if the actual value is null.
      AssertionError - if the actual value is negative.
    • assertIsNotPositive

      public void assertIsNotPositive(AssertionInfo info, NUMBER actual)
      Asserts that the actual value is not positive.
      Parameters:
      info - contains information about the assertion.
      actual - the actual value.
      Throws:
      AssertionError - if the actual value is null.
      AssertionError - if the actual value is positive.
    • assertIsBetween

      public void assertIsBetween(AssertionInfo info, NUMBER actual, NUMBER start, NUMBER end)
      Asserts that the actual value is in [start, end] range (start included, end included).
      Parameters:
      info - contains information about the assertion.
      actual - the actual value.
      Throws:
      AssertionError - if the actual value is null.
      AssertionError - if the actual value is positive.
      NullPointerException - if start value is null.
      NullPointerException - if end value is null.
      AssertionError - if the actual value is not in [start, end] range.
    • assertIsStrictlyBetween

      public void assertIsStrictlyBetween(AssertionInfo info, NUMBER actual, NUMBER start, NUMBER end)
      Asserts that the actual value is in ]start, end[ range (start excluded, end excluded).
      Parameters:
      info - contains information about the assertion.
      actual - the actual value.
      start - the start value (exclusive), expected not to be null.
      end - the end value (exclusive), expected not to be null.
      Throws:
      AssertionError - if the actual value is null.
      NullPointerException - if start value is null.
      NullPointerException - if end value is null.
      AssertionError - if the actual value is not in ]start, end[ range.
    • assertIsCloseTo

      public void assertIsCloseTo(AssertionInfo info, NUMBER actual, NUMBER expected, Offset<NUMBER> offset)
      Asserts that the actual value is close to the offset.
      Parameters:
      info - contains information about the assertion.
      actual - the actual value.
      offset - the given positive offset.
    • assertIsNotCloseTo

      public void assertIsNotCloseTo(AssertionInfo info, NUMBER actual, NUMBER expected, Offset<NUMBER> offset)
      Asserts that the actual value is not close to the offset.
      Parameters:
      info - contains information about the assertion.
      actual - the actual value.
      offset - the given positive offset.
    • assertIsCloseToPercentage

      public void assertIsCloseToPercentage(AssertionInfo info, NUMBER actual, NUMBER other, Percentage percentage)
      Asserts that the actual value is close to the an offset expressed as an percentage value.
      Parameters:
      info - contains information about the assertion.
      actual - the actual value.
      other - the expected value.
      percentage - the given positive percentage.
    • assertIsNotCloseToPercentage

      public void assertIsNotCloseToPercentage(AssertionInfo info, NUMBER actual, NUMBER other, Percentage percentage)
      Asserts that the actual value is not close to the an offset expressed as an percentage value.
      Parameters:
      info - contains information about the assertion.
      actual - the actual value.
      other - the expected value.
      percentage - the given positive percentage.
    • absDiff

      protected abstract NUMBER absDiff(NUMBER actual, NUMBER other)
    • isGreaterThan

      protected abstract boolean isGreaterThan(NUMBER value, NUMBER other)