86 lines
3.5 KiB
Ruby
86 lines
3.5 KiB
Ruby
require_relative "../parser_helper"
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class TestExpressions < 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 simple_op op
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@input = "5 #{op} 3"
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@parse_output = {:l=>{:integer=>"5"}, :o=>"#{op} ", :r=>{:integer=>"3"}}
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@output = Ast::OperatorExpression.new(op, Ast::IntegerExpression.new(5),Ast::IntegerExpression.new(3))
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@root = :operator_expression
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end
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def test_simple_multiply
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simple_op "*"
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end
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def test_simple_devide
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simple_op "/"
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end
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def test_simple_plus
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simple_op "+"
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end
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def test_simple_minus
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simple_op "-"
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end
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def test_simple_greater
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simple_op ">"
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end
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def test_simple_smaller
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simple_op "<"
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end
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def test_op_variable
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@input = "a + 35"
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@parse_output = {:l=>{:name=>"a"}, :o=>"+ ", :r=>{:integer=>"35"}}
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@output = Ast::OperatorExpression.new("+", Ast::NameExpression.new(:a),Ast::IntegerExpression.new(35))
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@root = :operator_expression
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end
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def test_op_two_variable
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@input = "a - b"
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@parse_output = {:l=>{:name=>"a"}, :o=>"- ", :r=>{:name=>"b"}}
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@output = Ast::OperatorExpression.new("-", Ast::NameExpression.new(:a),Ast::NameExpression.new("b"))
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@root = :operator_expression
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end
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def test_op_instance_variable
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@input = "@a - 5"
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@parse_output = {:l=>{:instance_variable=>{:name=>"a"}}, :o=>"- ", :r=>{:integer=>"5"}}
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@output = Ast::OperatorExpression.new("-", Ast::VariableExpression.new(:a),Ast::IntegerExpression.new(5))
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@root = :operator_expression
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end
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def test_op_variable_string
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@input = 'a - "st"'
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@parse_output = {:l=>{:name=>"a"}, :o=>"- ", :r=>{:string=>[{:char=>"s"}, {:char=>"t"}]}}
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@output = Ast::OperatorExpression.new("-", Ast::NameExpression.new(:a),Ast::StringExpression.new("st"))
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@root = :operator_expression
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end
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def test_two_same_ops
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@input = '2 + 3 + 4'
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@parse_output = {:l=>{:l=>{:integer=>"2"}, :o=>"+ ", :r=>{:integer=>"3"}}, :o=>"+ ", :r=>{:integer=>"4"}}
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@output = Ast::OperatorExpression.new("+", Ast::OperatorExpression.new("+", Ast::IntegerExpression.new(2),Ast::IntegerExpression.new(3)),Ast::IntegerExpression.new(4))
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@root = :operator_expression
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end
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def test_two_different_ops
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@input = '2 + 3 * 4'
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@parse_output = {:l=>{:integer=>"2"}, :o=>"+ ", :r=>{:l=>{:integer=>"3"}, :o=>"* ", :r=>{:integer=>"4"}}}
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@output = Ast::OperatorExpression.new("+", Ast::IntegerExpression.new(2),Ast::OperatorExpression.new("*", Ast::IntegerExpression.new(3),Ast::IntegerExpression.new(4)))
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@root = :operator_expression
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end
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def test_two_different_ops_order
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@input = '2 * 3 + 4'
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@parse_output = {:l=>{:l=>{:integer=>"2"}, :o=>"* ", :r=>{:integer=>"3"}}, :o=>"+ ", :r=>{:integer=>"4"}}
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@output = Ast::OperatorExpression.new("+", Ast::OperatorExpression.new("*", Ast::IntegerExpression.new(2),Ast::IntegerExpression.new(3)),Ast::IntegerExpression.new(4))
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@root = :operator_expression
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end
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def test_assignment
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@input = "a = 5"
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@parse_output = {:l=>{:name=>"a"}, :o=>"= ", :r=>{:integer=>"5"}}
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@output = Ast::AssignmentExpression.new(Ast::NameExpression.new(:a),Ast::IntegerExpression.new(5))
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@root = :operator_expression
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end
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def test_assignment_instance
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@input = "@a = 5"
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@parse_output = {:l=>{:instance_variable=>{:name=>"a"}}, :o=>"= ", :r=>{:integer=>"5"}}
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@output = Ast::AssignmentExpression.new(Ast::VariableExpression.new(:a),Ast::IntegerExpression.new(5))
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@root = :operator_expression
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end
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end |