---
title: XCTIssueReference.IssueType.assertionFailure
framework: xctest
role: symbol
role_heading: Case
path: xctest/xctissuereference/issuetype/assertionfailure
---

# XCTIssueReference.IssueType.assertionFailure

A test failure due to a failed test assertion or related API.

## Declaration

```swift
case assertionFailure
```

## See Also

### Issue Types

- [XCTIssueReference.IssueType.performanceRegression](xctest/xctissuereference/issuetype/performanceregression.md)
- [XCTIssueReference.IssueType.system](xctest/xctissuereference/issuetype/system.md)
- [XCTIssueReference.IssueType.thrownError](xctest/xctissuereference/issuetype/thrownerror.md)
- [XCTIssueReference.IssueType.uncaughtException](xctest/xctissuereference/issuetype/uncaughtexception.md)
- [XCTIssueReference.IssueType.unmatchedExpectedFailure](xctest/xctissuereference/issuetype/unmatchedexpectedfailure.md)