78 lines
2.0 KiB
Ruby
78 lines
2.0 KiB
Ruby
require_relative 'helper'
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include Vm
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class TransformTest < MiniTest::Test
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def setup
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@transform = Parser::Transform.new
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end
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def check_equals
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is = @transform.apply @input
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assert_equal @expected.class , is.class
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end
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def test_number
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@input = {:number => '42'}
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@expected = Vm::NumberExpression.new(42)
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check_equals
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assert_equal 42 , @expected.value
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end
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def test_name
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@input = {:name => 'foo'}
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@expected = Vm::NameExpression.new('foo')
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check_equals
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end
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def test_argument_list
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@input = {:args => [{:arg => {:number => '42'}},
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{:arg => {:name => 'foo'}}]}
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@expected = [Vm::NumberExpression.new(42),
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Vm::NameExpression.new('foo')]
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check_equals
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end
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def test_single_argument
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@input = {:funcall => {:name => 'foo'},
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:args => [{:arg => {:number => '42'}}]}
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@expected = Vm::FuncallExpression.new 'foo', [Vm::NumberExpression.new(42)]
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check_equals
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end
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def test_multi_argument
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@input = {:funcall => {:name => 'baz'},
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:args => [{:arg => {:number => '42'}},
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{:arg => {:name => 'foo'}}]}
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@expected = Vm::FuncallExpression.new 'baz', [Vm::NumberExpression.new(42),
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Vm::NameExpression.new('foo')]
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check_equals
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end
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def test_conditional
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@input = {:cond => {:number => '0'},
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:if_true => {:body => {:number => '42'}},
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:if_false => {:body => {:number => '667'}}}
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@expected = Vm::ConditionalExpression.new \
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Vm::NumberExpression.new(0),
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Vm::NumberExpression.new(42),
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Vm::NumberExpression.new(667)
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check_equals
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end
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def test__function_definition
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@input = {:func => {:name => 'foo'},
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:params => {:param => {:name => 'x'}},
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:body => {:number => '5'}}
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@expected = Vm::FunctionExpression.new \
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'foo',
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[Vm::NameExpression.new('x')],
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Vm::NumberExpression.new(5)
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check_equals
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end
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end
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