Parameters:
  DeletePolicy:
    Default: Keep
    Type: String
  DeleteList:
    Default:
    - Retain
    Type: List
  DeletePolicyIf:
    Default: false
    Type: Boolean

Resources:
  LayerWithRuntimesString:
    Type: AWS::Serverless::LayerVersion
    Properties:
      ContentUri: s3://sam-demo-bucket/layer.zip
      CompatibleRuntimes: strings are not allowed

  LayerWithLicenseInfoList:
    Type: AWS::Serverless::LayerVersion
    Properties:
      ContentUri: s3://sam-demo-bucket/layer.zip
      LicenseInfo:
      - lists also
      - are not allowed

  LayerWithNoContentUri:
    Type: AWS::Serverless::LayerVersion
    Properties:
      Description: No content uri

  LayerWithRetentionPolicy:
    Type: AWS::Serverless::LayerVersion
    Properties:
      ContentUri: s3://sam-demo-bucket/layer.zip
      RetentionPolicy: ErrorParam

  LayerWithRetentionPolicyParam:
    Type: AWS::Serverless::LayerVersion
    Properties:
      ContentUri: s3://sam-demo-bucket/layer.zip
      RetentionPolicy: !Ref DeletePolicy

  LayerWithRetentionPolicyListParam:
    Type: AWS::Serverless::LayerVersion
    Properties:
      ContentUri: s3://sam-demo-bucket/layer.zip
      RetentionPolicy: !Ref DeleteList

  LayerWithRetentionPolicyAsIntrinsic:
    Type: AWS::Serverless::LayerVersion
    Properties:
      ContentUri: s3://sam-demo-bucket/layer.zip
      RetentionPolicy: !If [DeletePolicyIf, Retain, Delete]

  LayerWithStringArchitecture:
    Type: AWS::Serverless::LayerVersion
    Properties:
      ContentUri: s3://sam-demo-bucket/layer.zip
      CompatibleArchitectures: it must be a list

  LayerWithWrongArchitecture:
    Type: AWS::Serverless::LayerVersion
    Properties:
      ContentUri: s3://sam-demo-bucket/layer.zip
      CompatibleArchitectures: [wrong]