rubyx/test/vool/vool_compiler/test_if_statement.rb

require_relative 'helper'

module Vool
  module VoolC
    class TestIfStatement < MiniTest::Test
      include VoolHelper

      def basic_if
        "if(10 < 12) ; a = true ; end"
      end
      def test_if_basic_hoist
        lst = compile_main( basic_if )
        assert_equal Statements , lst.class
        assert_equal IfStatement , lst.statements[1].class
      end
      def pest_if_basic_cond
        lst = RubyCompiler.compile( basic_if )
        assert_equal SendStatement , lst.condition.class
      end
      def pest_if_basic_branches
        lst = RubyCompiler.compile( basic_if )
        assert_equal TrueConstant , lst.if_true.class
        assert_nil lst.if_false
      end

      def double_if
        "if(false) ; true ; else ; false; end"
      end
      def pest_if_double
        lst = RubyCompiler.compile( double_if )
        assert_equal IfStatement , lst.class
      end
      def pest_if_double_cond
        lst = RubyCompiler.compile( double_if )
        assert_equal FalseConstant , lst.condition.class
      end
      def pest_if_double_branches
        lst = RubyCompiler.compile( double_if )
        assert_equal TrueConstant , lst.if_true.class
        assert_equal FalseConstant, lst.if_false.class
      end

      def reverse_if
        "true if(false)"
      end
      def pest_if_reverse
        lst = RubyCompiler.compile( reverse_if )
        assert_equal IfStatement , lst.class
      end
      def pest_if_reverse_cond
        lst = RubyCompiler.compile( reverse_if )
        assert_equal FalseConstant , lst.condition.class
      end
      def pest_if_reverse_branches
        lst = RubyCompiler.compile( reverse_if )
        assert_equal TrueConstant , lst.if_true.class
        assert_nil lst.if_false
      end

      def reverse_unless
        "true unless(false)"
      end
      def pest_if_reverse
        lst = RubyCompiler.compile( reverse_unless )
        assert_equal IfStatement , lst.class
      end
      def pest_if_reverse_cond
        lst = RubyCompiler.compile( reverse_unless )
        assert_equal FalseConstant , lst.condition.class
      end
      def pest_if_reverse_branches
        lst = RubyCompiler.compile( reverse_unless )
        assert_nil  lst.if_true
        assert_equal TrueConstant ,lst.if_false.class
      end

      def ternary
        "false ? true : false"
      end
      def pest_if_ternary
        lst = RubyCompiler.compile( ternary )
        assert_equal IfStatement , lst.class
      end
      def pest_if_ternary_cond
        lst = RubyCompiler.compile( ternary )
        assert_equal FalseConstant , lst.condition.class
      end
      def pest_if_ternary_branches
        lst = RubyCompiler.compile( ternary )
        assert_equal TrueConstant , lst.if_true.class
        assert_equal FalseConstant, lst.if_false.class
      end
    end
  end
end