130 lines
8.2 KiB
Ruby
130 lines
8.2 KiB
Ruby
require_relative "../parser_helper"
|
|
|
|
class TestFunctionDefinition < MiniTest::Test
|
|
# include the magic (setup and parse -> test method translation), see there
|
|
include ParserHelper
|
|
|
|
def test_simplest_function
|
|
@string_input = <<HERE
|
|
def foo(x)
|
|
5
|
|
end
|
|
HERE
|
|
@parse_output = {:function_name=>{:name=>"foo"}, :parameter_list=>[{:parameter=>{:name=>"x"}}], :expressions=>[{:integer=>"5"}], :end=>"end"}
|
|
@transform_output = Ast::FunctionExpression.new(:foo, [Ast::NameExpression.new("x")] , [Ast::IntegerExpression.new(5)] )
|
|
@parser = @parser.function_definition
|
|
end
|
|
|
|
def test_class_function
|
|
@string_input = <<HERE
|
|
def String.length(x)
|
|
@length
|
|
end
|
|
HERE
|
|
@parse_output = {:receiver=>{:module_name=>"String"}, :function_name=>{:name=>"length"}, :parameter_list=>[{:parameter=>{:name=>"x"}}], :expressions=>[{:instance_variable=>{:name=>"length"}}], :end=>"end"}
|
|
@transform_output = Ast::FunctionExpression.new(:length, [Ast::NameExpression.new("x")] , [Ast::VariableExpression.new(:length)] ,Ast::ModuleName.new("String") )
|
|
@parser = @parser.function_definition
|
|
end
|
|
|
|
def test_function_ops
|
|
@string_input = <<HERE
|
|
def foo(x)
|
|
abba = 5
|
|
2 + 5
|
|
end
|
|
HERE
|
|
@parse_output = {:function_name=>{:name=>"foo"}, :parameter_list=>[{:parameter=>{:name=>"x"}}], :expressions=>[{:l=>{:name=>"abba"}, :o=>"= ", :r=>{:integer=>"5"}}, {:l=>{:integer=>"2"}, :o=>"+ ", :r=>{:integer=>"5"}}], :end=>"end"}
|
|
@transform_output = Ast::FunctionExpression.new(:foo, [Ast::NameExpression.new(:x)] , [Ast::AssignmentExpression.new(Ast::NameExpression.new(:abba),Ast::IntegerExpression.new(5)),Ast::OperatorExpression.new("+", Ast::IntegerExpression.new(2),Ast::IntegerExpression.new(5))] ,nil )
|
|
@parser = @parser.function_definition
|
|
end
|
|
|
|
def test_function_if
|
|
@string_input = <<HERE
|
|
def ofthen(n)
|
|
if(0)
|
|
isit = 42
|
|
else
|
|
maybenot = 667
|
|
end
|
|
end
|
|
HERE
|
|
@parse_output = {:function_name=>{:name=>"ofthen"}, :parameter_list=>[{:parameter=>{:name=>"n"}}], :expressions=>[{:if=>"if", :conditional=>{:integer=>"0"}, :if_true=>{:expressions=>[{:l=>{:name=>"isit"}, :o=>"= ", :r=>{:integer=>"42"}}], :else=>"else"}, :if_false=>{:expressions=>[{:l=>{:name=>"maybenot"}, :o=>"= ", :r=>{:integer=>"667"}}], :end=>"end"}}], :end=>"end"}
|
|
@transform_output = Ast::FunctionExpression.new(:ofthen, [Ast::NameExpression.new(:n)] , [Ast::IfExpression.new(Ast::IntegerExpression.new(0), [Ast::AssignmentExpression.new(Ast::NameExpression.new(:isit),Ast::IntegerExpression.new(42))],[Ast::AssignmentExpression.new(Ast::NameExpression.new(:maybenot),Ast::IntegerExpression.new(667))] )] ,nil )
|
|
@parser = @parser.function_definition
|
|
end
|
|
|
|
def test_function_return
|
|
@string_input = <<HERE
|
|
def retvar(n)
|
|
i = 5
|
|
return i
|
|
end
|
|
HERE
|
|
@parse_output = {:function_name=>{:name=>"retvar"}, :parameter_list=>[{:parameter=>{:name=>"n"}}], :expressions=>[{:l=>{:name=>"i"}, :o=>"= ", :r=>{:integer=>"5"}}, {:return=>"return", :return_expression=>{:name=>"i"}}], :end=>"end"}
|
|
@transform_output = Ast::FunctionExpression.new(:retvar, [Ast::NameExpression.new(:n)] , [Ast::AssignmentExpression.new(Ast::NameExpression.new(:i),Ast::IntegerExpression.new(5)),Ast::ReturnExpression.new(Ast::NameExpression.new(:i) )] ,nil )
|
|
@parser = @parser.function_definition
|
|
end
|
|
|
|
def test_function_return_if
|
|
@string_input = <<HERE
|
|
def retvar(n)
|
|
if( n > 5)
|
|
return 10
|
|
else
|
|
return 20
|
|
end
|
|
end
|
|
HERE
|
|
@parse_output = {:function_name=>{:name=>"retvar"}, :parameter_list=>[{:parameter=>{:name=>"n"}}], :expressions=>[{:if=>"if", :conditional=>{:l=>{:name=>"n"}, :o=>"> ", :r=>{:integer=>"5"}}, :if_true=>{:expressions=>[{:return=>"return", :return_expression=>{:integer=>"10"}}], :else=>"else"}, :if_false=>{:expressions=>[{:return=>"return", :return_expression=>{:integer=>"20"}}], :end=>"end"}}], :end=>"end"}
|
|
@transform_output = Ast::FunctionExpression.new(:retvar, [Ast::NameExpression.new("n")] , [Ast::IfExpression.new(Ast::OperatorExpression.new(">", Ast::NameExpression.new("n"),Ast::IntegerExpression.new(5)), [Ast::ReturnExpression.new(Ast::IntegerExpression.new(10) )],[Ast::ReturnExpression.new(Ast::IntegerExpression.new(20) )] )] )
|
|
@parser = @parser.function_definition
|
|
end
|
|
|
|
def test_function_return_while
|
|
@string_input = <<HERE
|
|
def retvar(n)
|
|
while( n > 5) do
|
|
n = n + 1
|
|
return n
|
|
end
|
|
end
|
|
HERE
|
|
@parse_output = {:function_name=>{:name=>"retvar"}, :parameter_list=>[{:parameter=>{:name=>"n"}}], :expressions=>[{:while=>"while", :while_cond=>{:l=>{:name=>"n"}, :o=>"> ", :r=>{:integer=>"5"}}, :do=>"do", :body=>{:expressions=>[{:l=>{:name=>"n"}, :o=>"= ", :r=>{:l=>{:name=>"n"}, :o=>"+ ", :r=>{:integer=>"1"}}}, {:return=>"return", :return_expression=>{:name=>"n"}}], :end=>"end"}}], :end=>"end"}
|
|
@transform_output = Ast::FunctionExpression.new(:retvar, [Ast::NameExpression.new(:n)] , [Ast::WhileExpression.new(Ast::OperatorExpression.new(">", Ast::NameExpression.new(:n),Ast::IntegerExpression.new(5)), [Ast::AssignmentExpression.new(Ast::NameExpression.new(:n),Ast::OperatorExpression.new("+", Ast::NameExpression.new(:n),Ast::IntegerExpression.new(1))), Ast::ReturnExpression.new(Ast::NameExpression.new(:n) )] )] ,nil )
|
|
@parser = @parser.function_definition
|
|
end
|
|
|
|
def test_function_while
|
|
@string_input = <<HERE
|
|
def fibonaccit(n)
|
|
a = 0
|
|
while (n) do
|
|
some = 43
|
|
other = some * 4
|
|
end
|
|
end
|
|
HERE
|
|
@parse_output = {:function_name=>{:name=>"fibonaccit"}, :parameter_list=>[{:parameter=>{:name=>"n"}}], :expressions=>[{:l=>{:name=>"a"}, :o=>"= ", :r=>{:integer=>"0"}}, {:while=>"while", :while_cond=>{:name=>"n"}, :do=>"do", :body=>{:expressions=>[{:l=>{:name=>"some"}, :o=>"= ", :r=>{:integer=>"43"}}, {:l=>{:name=>"other"}, :o=>"= ", :r=>{:l=>{:name=>"some"}, :o=>"* ", :r=>{:integer=>"4"}}}], :end=>"end"}}], :end=>"end"}
|
|
@transform_output = Ast::FunctionExpression.new(:fibonaccit, [Ast::NameExpression.new(:n)] , [Ast::AssignmentExpression.new(Ast::NameExpression.new(:a),Ast::IntegerExpression.new(0)),Ast::WhileExpression.new(Ast::NameExpression.new(:n), [Ast::AssignmentExpression.new(Ast::NameExpression.new(:some),Ast::IntegerExpression.new(43)), Ast::AssignmentExpression.new(Ast::NameExpression.new(:other),Ast::OperatorExpression.new("*", Ast::NameExpression.new(:some),Ast::IntegerExpression.new(4)))] )] ,nil )
|
|
@parser = @parser.function_definition
|
|
end
|
|
|
|
def test_function_big_while
|
|
@string_input = <<HERE
|
|
def fibonaccit(n)
|
|
a = 0
|
|
b = 1
|
|
while( n > 1 ) do
|
|
tmp = a
|
|
a = b
|
|
b = tmp + b
|
|
puts(b)
|
|
n = n - 1
|
|
end
|
|
end
|
|
HERE
|
|
@parse_output = {:function_name=>{:name=>"fibonaccit"}, :parameter_list=>[{:parameter=>{:name=>"n"}}], :expressions=>[{:l=>{:name=>"a"}, :o=>"= ", :r=>{:integer=>"0"}}, {:l=>{:name=>"b"}, :o=>"= ", :r=>{:integer=>"1"}}, {:while=>"while", :while_cond=>{:l=>{:name=>"n"}, :o=>"> ", :r=>{:integer=>"1"}}, :do=>"do", :body=>{:expressions=>[{:l=>{:name=>"tmp"}, :o=>"= ", :r=>{:name=>"a"}}, {:l=>{:name=>"a"}, :o=>"= ", :r=>{:name=>"b"}}, {:l=>{:name=>"b"}, :o=>"= ", :r=>{:l=>{:name=>"tmp"}, :o=>"+ ", :r=>{:name=>"b"}}}, {:call_site=>{:name=>"puts"}, :argument_list=>[{:argument=>{:name=>"b"}}]}, {:l=>{:name=>"n"}, :o=>"= ", :r=>{:l=>{:name=>"n"}, :o=>"- ", :r=>{:integer=>"1"}}}], :end=>"end"}}], :end=>"end"}
|
|
@transform_output = Ast::FunctionExpression.new(:fibonaccit, [Ast::NameExpression.new(:n)] , [Ast::AssignmentExpression.new(Ast::NameExpression.new(:a),Ast::IntegerExpression.new(0)),Ast::AssignmentExpression.new(Ast::NameExpression.new(:b),Ast::IntegerExpression.new(1)),Ast::WhileExpression.new(Ast::OperatorExpression.new(">", Ast::NameExpression.new(:n),Ast::IntegerExpression.new(1)), [Ast::AssignmentExpression.new(Ast::NameExpression.new(:tmp),Ast::NameExpression.new(:a)), Ast::AssignmentExpression.new(Ast::NameExpression.new(:a),Ast::NameExpression.new(:b)), Ast::AssignmentExpression.new(Ast::NameExpression.new(:b),Ast::OperatorExpression.new("+", Ast::NameExpression.new(:tmp),Ast::NameExpression.new(:b))), Ast::CallSiteExpression.new(:puts, [Ast::NameExpression.new(:b)] ,Ast::NameExpression.new(:self)), Ast::AssignmentExpression.new(Ast::NameExpression.new(:n),Ast::OperatorExpression.new("-", Ast::NameExpression.new(:n),Ast::IntegerExpression.new(1)))] )] ,nil )
|
|
@parser = @parser.function_definition
|
|
end
|
|
end |