Test case for **nil parameter

Author: aibaars

ruby/ql/test/library-tests/ast/Ast.expected

@@ -2145,6 +2145,16 @@ params/params.rb:
 #   70|           getAnOperand/getLeftOperand/getReceiver: [LocalVariableAccess] a
 #   70|           getAnOperand/getArgument/getRightOperand: [LocalVariableAccess] b
 #   70|         getAnOperand/getArgument/getRightOperand: [LocalVariableAccess] c
+#   73|   getStmt: [Method] method_with_nil_splat
+#   73|     getParameter: [SimpleParameter] wibble
+#   73|       getDefiningAccess: [LocalVariableAccess] wibble
+#   73|     getParameter: [HashSplatNilParameter] **nil
+#   77|   getStmt: [MethodCall] call to each
+#   77|     getReceiver: [LocalVariableAccess] array
+#   77|     getBlock: [DoBlock] do ... end
+#   77|       getParameter: [SimpleParameter] val
+#   77|         getDefiningAccess: [LocalVariableAccess] val
+#   77|       getParameter: [HashSplatNilParameter] **nil
 erb/template.html.erb:
 #   19| [Toplevel] template.html.erb
 #   19|   getStmt: [StringLiteral] "hello world"

ruby/ql/test/library-tests/ast/params/params.expected

@@ -33,6 +33,8 @@ idParams
 | params.rb:70:35:70:35 | a | a |
 | params.rb:70:38:70:38 | b | b |
 | params.rb:70:48:70:48 | c | c |
+| params.rb:73:27:73:32 | wibble | wibble |
+| params.rb:77:16:77:18 | val | val |
 blockParams
 | params.rb:46:28:46:33 | &block | block |
 | params.rb:62:29:62:34 | &block | block |
@@ -83,6 +85,8 @@ paramsInMethods
 | params.rb:58:1:59:3 | method_with_optional_params | 1 | params.rb:58:39:58:42 | val2 | OptionalParameter |
 | params.rb:58:1:59:3 | method_with_optional_params | 2 | params.rb:58:49:58:52 | val3 | OptionalParameter |
 | params.rb:62:1:64:3 | use_block_with_optional | 0 | params.rb:62:29:62:34 | &block | BlockParameter |
+| params.rb:73:1:74:3 | method_with_nil_splat | 0 | params.rb:73:27:73:32 | wibble | SimpleParameter |
+| params.rb:73:1:74:3 | method_with_nil_splat | 1 | params.rb:73:35:73:39 | **nil | HashSplatNilParameter |
 paramsInBlocks
 | params.rb:9:11:11:3 | do ... end | 0 | params.rb:9:15:9:17 | key | SimpleParameter |
 | params.rb:9:11:11:3 | do ... end | 1 | params.rb:9:20:9:24 | value | SimpleParameter |
@@ -94,6 +98,8 @@ paramsInBlocks
 | params.rb:49:24:51:3 | do ... end | 1 | params.rb:49:33:49:34 | yy | KeywordParameter |
 | params.rb:65:25:67:3 | do ... end | 0 | params.rb:65:29:65:32 | name | SimpleParameter |
 | params.rb:65:25:67:3 | do ... end | 1 | params.rb:65:35:65:37 | age | OptionalParameter |
+| params.rb:77:12:78:3 | do ... end | 0 | params.rb:77:16:77:18 | val | SimpleParameter |
+| params.rb:77:12:78:3 | do ... end | 1 | params.rb:77:21:77:25 | **nil | HashSplatNilParameter |
 paramsInLambdas
 | params.rb:14:7:14:33 | -> { ... } | 0 | params.rb:14:11:14:13 | foo | SimpleParameter |
 | params.rb:14:7:14:33 | -> { ... } | 1 | params.rb:14:16:14:18 | bar | SimpleParameter |
@@ -147,3 +153,7 @@ params
 | params.rb:70:35:70:35 | a | 0 | SimpleParameter |
 | params.rb:70:38:70:38 | b | 1 | OptionalParameter |
 | params.rb:70:48:70:48 | c | 2 | OptionalParameter |
+| params.rb:73:27:73:32 | wibble | 0 | SimpleParameter |
+| params.rb:73:35:73:39 | **nil | 1 | HashSplatNilParameter |
+| params.rb:77:16:77:18 | val | 0 | SimpleParameter |
+| params.rb:77:21:77:25 | **nil | 1 | HashSplatNilParameter |

ruby/ql/test/library-tests/ast/params/params.rb

@@ -67,4 +67,13 @@ def use_block_with_optional(&block)
 end
 
 # Lambda containing optional parameters
-lambda_with_optional_params = -> (a, b = 1000, c = 20) { a+b+c }
+lambda_with_optional_params = -> (a, b = 1000, c = 20) { a+b+c }
+
+# Method containing nil hash-splat params
+def method_with_nil_splat(wibble, **nil)
+end
+
+# Block with nil hash-splat parameter
+array.each do |val, **nil|
+end
+