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release-notes-5.3.1.adoc

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5.3.1

Date of Release: September ❓, 2018

Scope: Bug fixes since 5.3.0

For a complete list of all closed issues and pull requests for this release, consult the 5.3.1 milestone page in the JUnit repository on GitHub.

JUnit Platform

Bug Fixes

  • An OutOfMemoryError regression introduced in JUnit 5.3.0 has been fixed.

    • Specifically, the NodeTestTask used by implementations of HierarchicalTestEngine (such as the Jupiter and Vintage test engines) no longer retains references to contextual state after a node has completed execution. This allows state such as instances of test classes to be properly garbage collected by the JVM.

    • Previously, a NodeTestTask instance was created for each TestDescriptor before starting execution. Now they are created on the fly and can be garbage collected by the JVM after the enclosing container has finished.

JUnit Jupiter

Bug Fixes

  • Invocations of assertThrows() that are passed a method reference for an overloaded method with a void return type once again compile.

    • For example, given an instance of java.lang.Object stored in a variable named object, assertThrows(Exception.class, object::wait) compiled against JUnit 5.2.0, failed to compile against JUnit 5.3.0, but now compiles against JUnit 5.3.1.

Breaking Changes

  • In order to revert the aforementioned breaking change, variants of assertThrows() introduced in JUnit 5.3.0 that accept ThrowingSupplier arguments have been removed.

JUnit Vintage

No changes