rubyx/test/parser/test_function_definition.rb

59 lines
1.9 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'}]}
@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 => [ { :asignee => { :name => "abba" }, :asigned => { :integer => "5" } } ]
}
@transform_output = Ast::FunctionExpression.new(:foo, [Ast::NameExpression.new("x")] ,
[Ast::AssignmentExpression.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 = Ast::FunctionExpression.new( "foo", [Ast::NameExpression.new("x")],
[Ast::AssignmentExpression.new( "abba", Ast::IntegerExpression.new(5) ) ])
@parser = @parser.function_definition
end
end