57 lines
2.5 KiB
Ruby
57 lines
2.5 KiB
Ruby
require_relative "helper"
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class TestWhile < MiniTest::Test
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# include the magic (setup and parse -> test method translation), see there
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include ParserHelper
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def test_while
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@string_input = <<HERE
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while(1) do
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tmp = a
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puts(b)
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end
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HERE
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@string_input.chop!
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@parse_output = {:while=>"while",
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:while_cond=>{:integer=>"1"},
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:do=>"do",
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:body=>{:expressions=>[{:l=>{:name=>"tmp"}, :o=>"= ", :r=>{:name=>"a"}},
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{:call_site=>{:name=>"puts"}, :argument_list=>[{:argument=>{:name=>"b"}}]}], :end=>"end"}}
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@transform_output = Ast::WhileExpression.new(
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Ast::IntegerExpression.new(1),
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[Ast::OperatorExpression.new("=", Ast::NameExpression.new("tmp"),Ast::NameExpression.new("a")),
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Ast::CallSiteExpression.new("puts", [Ast::NameExpression.new("b")] )] )
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@parser = @parser.while_do
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end
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def test_big_while
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@string_input = <<HERE
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while( n > 1) do
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tmp = a
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a = b
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b = tmp + b
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puts(b)
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n = n - 1
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end
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HERE
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@string_input.chop!
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@parse_output = {:while=>"while",
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:while_cond=>{:l=>{:name=>"n"}, :o=>"> ", :r=>{:integer=>"1"}},
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:do=>"do",
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:body=>{:expressions=>[{:l=>{:name=>"tmp"}, :o=>"= ", :r=>{:name=>"a"}},
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{:l=>{:name=>"a"}, :o=>"= ", :r=>{:name=>"b"}},
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{:l=>{:name=>"b"}, :o=>"= ", :r=>{:l=>{:name=>"tmp"}, :o=>"+ ", :r=>{:name=>"b"}}},
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{:call_site=>{:name=>"puts"},
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:argument_list=>[{:argument=>{:name=>"b"}}]},
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{:l=>{:name=>"n"}, :o=>"= ", :r=>{:l=>{:name=>"n"}, :o=>"- ", :r=>{:integer=>"1"}}}],
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:end=>"end"}}
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@transform_output = Ast::WhileExpression.new(
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Ast::OperatorExpression.new(">", Ast::NameExpression.new("n"),Ast::IntegerExpression.new(1)),
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[Ast::OperatorExpression.new("=", Ast::NameExpression.new("tmp"),Ast::NameExpression.new("a")),
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Ast::OperatorExpression.new("=", Ast::NameExpression.new("a"),Ast::NameExpression.new("b")),
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Ast::OperatorExpression.new("=", Ast::NameExpression.new("b"),Ast::OperatorExpression.new("+", Ast::NameExpression.new("tmp"),
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Ast::NameExpression.new("b"))), Ast::CallSiteExpression.new("puts", [Ast::NameExpression.new("b")] ),
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Ast::OperatorExpression.new("=", Ast::NameExpression.new("n"),Ast::OperatorExpression.new("-", Ast::NameExpression.new("n"),Ast::IntegerExpression.new(1)))] )
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@parser = @parser.while_do
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end
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end |