# XCTAssertLessThanOrEqual(_:_:_:file:line:) Asserts that the value of the first expression is less than or equal to the value of the second expression. ``` func XCTAssertLessThanOrEqual(_ expression1: @autoclosure () throws -> T, _ expression2: @autoclosure () throws -> T, _ message: @autoclosure () -> String = "", file: StaticString = #filePath, line: UInt = #line) where T : Comparable ``` ## Parameters `expression1` An expression of type `T`, where `T` is . `expression2` A second expression of type `T`, where `T` is . `message` An optional description of a failure. `file` The file where the failure occurs. The default is the filename of the test case where you call this function. `line` The line number where the failure occurs. The default is the line number where you call this function. ## Discussion --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)