Add tests for macrocall sig

Author: Keno

test/parser.jl

@@ -603,6 +603,10 @@ tests = [
         # body
         "function f() \n a \n b end"  =>  "(function (call f) (block a b))"
         "function f() end"       =>  "(function (call f) (block))"
+        # Macrocall as sig
+        ((v=v"1.12",), "function @callmemacro(a::Int) \n 1 \n end") => "(function (macrocall-p @callmemacro (::-i a Int)) (block 1))"
+        ((v=v"1.12",), "function @callmemacro(a::T, b::T) where T <: Int64\n3\nend") => "(function (where (macrocall-p @callmemacro (::-i a T) (::-i b T)) (<: T Int64)) (block 3))"
+        ((v=v"1.12",), "function @callmemacro(a::Int, b::Int, c::Int)::Float64\n4\nend") => "(function (::-i (macrocall-p @callmemacro (::-i a Int) (::-i b Int) (::-i c Int)) Float64) (block 4))"
         # Errors
         "function"            => "(function (error (error)) (block (error)) (error-t))"
     ],
@@ -963,6 +967,9 @@ tests = [
         "public[7] = 5"                                 => "(= (ref public 7) 5)"
         "public() = 6"                                  => "(= (call public) 6)"
     ]),
+    JuliaSyntax.parse_stmts => [
+        ((v = v"1.12",), "@callmemacro(b::Float64) = 2") => "(= (macrocall-p @callmemacro (::-i b Float64)) 2)"
+    ],
     JuliaSyntax.parse_docstring => [
         """ "notdoc" ]        """ => "(string \"notdoc\")"
         """ "notdoc" \n]      """ => "(string \"notdoc\")"