Issues

• Matchers.contains and hasItem should have equivalent for a list or collection - iterable is not enough for Mockito

  hamcrest/JavaHamcrest#445 · Filter by author michaldo opened on Jul 31, 2026

• closeTo is confused by floats when chained

  hamcrest/JavaHamcrest#444 · Filter by author basilevs opened on Feb 27, 2026

• Static factories for creating Matchers using lambdas

  hamcrest/JavaHamcrest#440 · Filter by author rmcdouga opened on Aug 24, 2025
  1

• OptionalMatchersTest tests fail on Windows

  hamcrest/JavaHamcrest#438 · Filter by author rmcdouga opened on Aug 24, 2025

• Create PathMatchers class - Like FileMatchers but for java.nio.Path

  hamcrest/JavaHamcrest#437 · Filter by author rmcdouga opened on Aug 13, 2025

• Incorrect variance in hasItem matcher

  hamcrest/JavaHamcrest#436 · Filter by author CarstenLeue opened on Jul 16, 2025
  4

• contains matcher should also support empty set evaluation or alternatively we should have one that can

  hamcrest/JavaHamcrest#435 · Filter by author mat013 opened on Jun 13, 2025

• AnyOf with no arguments should always be successful

  hamcrest/JavaHamcrest#434 · Filter by author CarstenLeue opened on May 22, 2025

• Maven plugin to produce complex matchers?

  hamcrest/JavaHamcrest#432 · Filter by author beargiles opened on Mar 12, 2025
  1

• Hamcrest v4.0

  hamcrest/JavaHamcrest#418 · Filter by author tumbarumba opened on Aug 6, 2024
  2

  

• Hamcrest v3.1

  hamcrest/JavaHamcrest#417 · Filter by author tumbarumba opened on Aug 3, 2024
  6

  

• Publish to Maven Central using GitHub Actions

  hamcrest/JavaHamcrest#416 · Filter by author tumbarumba opened on Jul 26, 2024
  7

  

• GraalVM Native Image support

  hamcrest/JavaHamcrest#403 · Filter by author beckermarc opened on Aug 4, 2023
  4

• Double "close-to" matcher that uses the ULP.

  hamcrest/JavaHamcrest#402 · Filter by author garretwilson opened on Aug 1, 2023

• has property fails with non public class.. not sure if this correct as per java standards of property

  hamcrest/JavaHamcrest#401 · Filter by author nagkumar opened on May 4, 2023

• Test output Alignment

  hamcrest/JavaHamcrest#398 · Filter by author s4253 opened on Apr 12, 2023

• assertThat(Int::class.java, typeCompatibleWith(Number::class.java)) in kotlin always fails

  hamcrest/JavaHamcrest#394 · Filter by author debdutta-yore opened on Dec 13, 2022

• oss-fuzz integration

  hamcrest/JavaHamcrest#390 · Filter by author aschaich opened on Sep 7, 2022

• FR: Matching maps with various type

  hamcrest/JavaHamcrest#388 · Filter by author jarl-dk opened on May 19, 2022
  2

• The matcher contains() is misleading

  hamcrest/JavaHamcrest#387 · Filter by author gmananton opened on May 18, 2022
  2

• Not sure why assertThat() doesn't work in this case

  hamcrest/JavaHamcrest#356 · Filter by author graemeg opened on Jan 23, 2022
  2

• You should be able to specify a lambda to return a reason

  hamcrest/JavaHamcrest#354 · Filter by author rjmunro opened on Jan 11, 2022

• containsInAnyOrder incorrectly identifies differences in identical collections

  hamcrest/JavaHamcrest#352 · Filter by author luskentyre-green opened on Nov 17, 2021
  1

• Add ignorable fields to HasEqualValues

  hamcrest/JavaHamcrest#350 · Filter by author maratik123 opened on Sep 9, 2021

• add stringContainsInAnyOrder matcher

  hamcrest/JavaHamcrest#346 · Filter by author aoudiamoncef opened on May 27, 2021