BeNullOrEmpty compares null to the value. Array values are tested using the Count property; arrays with zero elements will satisfy the assertion:
@() | Should -BeNullOrEmpty '' | Should -BeNullOrEmpty
BeNullOrEmpty
by Brenton J.W. Blawat, Chris Dent
Mastering Windows PowerShell Scripting - Second Edition
- Preface
- Introduction to PowerShell
- Working with PowerShell
- Modules and Snap-Ins
- Working with Objects in PowerShell
- Operators
- Variables, Arrays, and Hashtables
- Naming and creating variables
- Variable commands
- Variable scope
- Type and type conversion
- Objects assigned to variables
- Arrays
- Hashtables
- Lists, dictionaries, queues, and stacks
- Summary
- Branching and Looping
- Working with .NET
- Data Parsing and Manipulation
- Regular Expressions
- Files, Folders, and the Registry
- Windows Management Instrumentation
- HTML, XML, and JSON
- Working with REST and SOAP
- Remoting and Remote Management
- Testing
- Error Handling
BeNullOrEmpty
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