86 lines
2.9 KiB
Ruby
86 lines
2.9 KiB
Ruby
require_relative "../parser_helper"
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class TestConditional < MiniTest::Test
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def setup
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@parser = Statement
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end
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def check
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parse = @parser.parse(@input)
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assert_equal @input , parse
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assert_equal @output , parse.value
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end
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def test_assignment
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@input = "myvar = 42"
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@output = Ast::AssignmentExpression.new(:myvar,Ast::IntegerExpression.new(42))
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check
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end
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def test_variable_declaration
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@input = "int myvar"
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@output = Ast::VariableDefinition.new(:int,:myvar,nil)
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check
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end
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def test_variable_declaration_value
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@input = "int myvar = 42"
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@output = Ast::VariableDefinition.new(:int,:myvar,Ast::IntegerExpression.new(42))
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check
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end
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def test_if
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@input = <<HERE
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if( 1 )
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int num = 42
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end
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HERE
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@output = Ast::IfExpression.new(Ast::IntegerExpression.new(1), [Ast::VariableDefinition.new(:int,:num,Ast::IntegerExpression.new(42))],nil )
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check
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end
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def ttest_conditional_with_calls
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@input = <<HERE
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if(var)
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end
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HERE
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@output = Ast::IfExpression.new(Ast::OperatorExpression.new(">", Ast::IntegerExpression.new(3),Ast::NameExpression.new("var")), [Ast::CallSiteExpression.new(:initialize, [Ast::IntegerExpression.new(3)] ,Ast::ModuleName.new("Object"))],[Ast::CallSiteExpression.new(:new, [Ast::IntegerExpression.new(33)] ,Ast::NameExpression.new("var"))] )
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check
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end
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def ttest_conditional_nil
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@input = <<HERE
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if(3 == nil)
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3
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else
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4
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end
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HERE
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@input.chop!
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@parse_output = {:if=>"if", :conditional=>{:l=>{:integer=>"3"}, :o=>"== ", :r=>{:nil=>"nil"}}, :if_true=>{:expressions=>[{:integer=>"3"}], :else=>"else"}, :if_false=>{:expressions=>[{:integer=>"4"}], :end=>"end"}}
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@output = Ast::IfExpression.new(Ast::OperatorExpression.new("==", Ast::IntegerExpression.new(3),Ast::NilExpression.new()), [Ast::IntegerExpression.new(3)],[Ast::IntegerExpression.new(4)] )
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@root = :conditional
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end
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def pest_simple_if
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@input = <<HERE
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if(3 == nil)
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3
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end
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HERE
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@input.chop!
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@parse_output = {:if=>"if", :conditional=>{:l=>{:integer=>"3"}, :o=>"== ", :r=>{:nil=>"nil"}}, :if_true=>{:expressions=>[{:integer=>"3"}], :else=>"else"}, :if_false=>{:expressions=>[{:integer=>"4"}], :end=>"end"}}
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@output = Ast::IfExpression.new(Ast::OperatorExpression.new("==", Ast::IntegerExpression.new(3),Ast::NilExpression.new()), [Ast::IntegerExpression.new(3)],[Ast::IntegerExpression.new(4)] )
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@root = :conditional
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end
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def pest_reverse_if
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@input = "3 if(3 == nil)"
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@parse_output = {:if=>"if", :conditional=>{:l=>{:integer=>"3"}, :o=>"== ", :r=>{:nil=>"nil"}}, :if_true=>{:expressions=>[{:integer=>"3"}], :else=>"else"}, :if_false=>{:expressions=>[{:integer=>"4"}], :end=>"end"}}
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@output = Ast::IfExpression.new(Ast::OperatorExpression.new("==", Ast::IntegerExpression.new(3),Ast::NilExpression.new()), [Ast::IntegerExpression.new(3)],[Ast::IntegerExpression.new(4)] )
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@root = :conditional
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end
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end
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