8322fca7b3
Since integers are first class objects, we need to use an integer object as the return address. The actual address can not be stored in an instance variable since it is not an object. The address is unique to the label and never changes after positioning (using the int is next up)
69 lines
1.8 KiB
Ruby
69 lines
1.8 KiB
Ruby
require_relative "../helper"
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module Risc
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class TestInstructions < MiniTest::Test
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def setup
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@label = Label.new("test" , "test",nil)
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@branch = Branch.new("test" , @label)
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@instruction = Instruction.new("test")
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end
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def test_branch_tos1
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assert @branch.to_s.include?("Branch")
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assert @branch.to_s.include?("test")
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end
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def test_branch_tos2
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branch = Branch.new(nil ,nil)
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assert branch.to_s.include?("Branch")
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end
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def test_label_tos1
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assert @label.to_s.include?("Label")
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end
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def test_label_tos2
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assert Label.new(nil,nil,nil).to_s.include?("Label")
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end
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def test_last_empty
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assert_equal @instruction, @instruction.last
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end
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def test_last_not_empty
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@instruction.set_next @branch
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assert_equal @branch, @instruction.last
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end
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def test_append_empty
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@instruction.append @branch
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assert_equal @branch, @instruction.last
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end
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def test_insert
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@instruction.insert @branch
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assert_equal @branch, @instruction.last
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end
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def test_insert_two
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@branch << @label
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@instruction.insert @branch
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assert_equal @label , @instruction.last
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end
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def test_append_not_empty
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@instruction.append @branch
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@instruction.append @label
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assert_equal @label, @instruction.last
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end
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def test_next1
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assert_nil @instruction.next
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end
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def test_next2
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@instruction.set_next @label
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assert_equal @label , @instruction.next
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assert_nil @instruction.next(2)
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end
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def test_label_is_method
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label = Label.new("test" , "Object.test" , nil)
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assert label.is_method
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end
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def test_label_is_not_method
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assert ! @label.is_method
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end
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def test_insert_self
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assert_raises {@label.insert(@label)}
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end
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end
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end
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