rpl.rb/spec/language_stack_spec.rb

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# coding: utf-8
# frozen_string_literal: true
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require 'minitest/autorun'
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require 'rpl'
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class TestLanguageStack < MiniTest::Test
def test_swap
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interpreter = Rpl.new
interpreter.run '1 2 swap'
assert_equal [{ value: 2, type: :numeric, base: 10 },
{ value: 1, type: :numeric, base: 10 }],
interpreter.stack
end
def test_drop
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interpreter = Rpl.new
interpreter.run '1 2 drop'
assert_equal [{ value: 1, type: :numeric, base: 10 }],
interpreter.stack
end
def test_drop2
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interpreter = Rpl.new
interpreter.run '1 2 drop2'
assert_equal [],
interpreter.stack
end
def test_dropn
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interpreter = Rpl.new
interpreter.run '1 2 3 4 3 dropn'
assert_equal [{ value: 1, type: :numeric, base: 10 }],
interpreter.stack
end
def test_del
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interpreter = Rpl.new
interpreter.run '1 2 del'
assert_empty interpreter.stack
end
def test_rot
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interpreter = Rpl.new
interpreter.run '1 2 3 rot'
assert_equal [{ value: 2, type: :numeric, base: 10 },
{ value: 3, type: :numeric, base: 10 },
{ value: 1, type: :numeric, base: 10 }],
interpreter.stack
end
def test_dup
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interpreter = Rpl.new
interpreter.run '1 2 dup'
assert_equal [{ value: 1, type: :numeric, base: 10 },
{ value: 2, type: :numeric, base: 10 },
{ value: 2, type: :numeric, base: 10 }],
interpreter.stack
end
def test_dup2
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interpreter = Rpl.new
interpreter.run '1 2 dup2'
assert_equal [{ value: 1, type: :numeric, base: 10 },
{ value: 2, type: :numeric, base: 10 },
{ value: 1, type: :numeric, base: 10 },
{ value: 2, type: :numeric, base: 10 }],
interpreter.stack
end
def test_dupn
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interpreter = Rpl.new
interpreter.run '1 2 3 4 3 dupn'
assert_equal [{ value: 1, type: :numeric, base: 10 },
{ value: 2, type: :numeric, base: 10 },
{ value: 3, type: :numeric, base: 10 },
{ value: 4, type: :numeric, base: 10 },
{ value: 2, type: :numeric, base: 10 },
{ value: 3, type: :numeric, base: 10 },
{ value: 4, type: :numeric, base: 10 }],
interpreter.stack
end
def test_pick
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interpreter = Rpl.new
interpreter.run '1 2 3 4 3 pick'
assert_equal [{ value: 1, type: :numeric, base: 10 },
{ value: 2, type: :numeric, base: 10 },
{ value: 3, type: :numeric, base: 10 },
{ value: 4, type: :numeric, base: 10 },
{ value: 2, type: :numeric, base: 10 }],
interpreter.stack
end
def test_depth
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interpreter = Rpl.new
interpreter.run 'depth'
assert_equal [{ value: 0, type: :numeric, base: 10 }],
interpreter.stack
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interpreter = Rpl.new
interpreter.run '1 2 depth'
assert_equal [{ value: 1, type: :numeric, base: 10 },
{ value: 2, type: :numeric, base: 10 },
{ value: 2, type: :numeric, base: 10 }],
interpreter.stack
end
def test_roll
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interpreter = Rpl.new
interpreter.run '1 2 3 4 3 roll'
assert_equal [{ value: 1, type: :numeric, base: 10 },
{ value: 3, type: :numeric, base: 10 },
{ value: 4, type: :numeric, base: 10 },
{ value: 2, type: :numeric, base: 10 }],
interpreter.stack
end
def test_rolld
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interpreter = Rpl.new
interpreter.run '1 2 4 3 2 rolld'
assert_equal [{ value: 1, type: :numeric, base: 10 },
{ value: 2, type: :numeric, base: 10 },
{ value: 3, type: :numeric, base: 10 },
{ value: 4, type: :numeric, base: 10 }],
interpreter.stack
end
def test_over
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interpreter = Rpl.new
interpreter.run '1 2 3 4 over'
assert_equal [{ value: 1, type: :numeric, base: 10 },
{ value: 2, type: :numeric, base: 10 },
{ value: 3, type: :numeric, base: 10 },
{ value: 4, type: :numeric, base: 10 },
{ value: 3, type: :numeric, base: 10 }],
interpreter.stack
end
end