rubyx/test/parser/test_function_definition.rb

55 lines
1.7 KiB
Ruby

require_relative "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_definition=>{:name=>"foo"},
:parmeter_list=>[{:parmeter=>{: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_function_assignment
@string_input = <<HERE
def foo(x)
abba = 5
end
HERE
@parse_output = {:function_definition=>{:name=>"foo"},
:parmeter_list=>[{:parmeter=>{:name=>"x"}}],
:expressions=>[{:l=>{:name=>"abba"}, :o=>"= ", :r=>{:integer=>"5"}}], :end=>"end"}
@transform_output = Ast::FunctionExpression.new(:foo, [Ast::NameExpression.new("x")] , [Ast::OperatorExpression.new("=", Ast::NameExpression.new("abba"),Ast::IntegerExpression.new(5))] )
@parser = @parser.function_definition
end
def ttest_function_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_definition => { :name => "foo" } ,
:parmeter_list => [{ :parmeter => { :name => "x" } }],
:expressions => [ { :asignee => { :name => "abba" }, :asigned => { :integer => "5" } } ]
}
@transform_output = nil
@parser = @parser.function_definition
end
end