Discouraged Assert

Prefer assertionFailure() and/or preconditionFailure() over assert(false)

  • Identifier: discouraged_assert
  • Enabled by default: No
  • Supports autocorrection: No
  • Kind: idiomatic
  • Analyzer rule: No
  • Minimum Swift compiler version: 5.0.0
  • Default configuration:
    KeyValue
    severity warning

Non Triggering Examples

assert(true)

assert(true, "foobar")

assert(true, "foobar", file: "toto", line: 42)

assert(false || true)

XCTAssert(false)

Triggering Examples

↓assert(false)

↓assert(false, "foobar")

↓assert(false, "foobar", file: "toto", line: 42)

↓assert(   false    , "foobar")