102 lines
3.0 KiB
Ruby
102 lines
3.0 KiB
Ruby
require_relative "../helper"
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module Risc
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class TestCodeBuilder < MiniTest::Test
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def setup
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Parfait.boot!
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Risc.boot!
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init = Parfait.object_space.get_init
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@builder = Risc::MethodCompiler.new( init ).code_builder(init)
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@label = Risc.label("source","name")
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end
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def test_has_build
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assert @builder.respond_to?(:build)
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end
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def test_has_attribute
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assert_nil @builder.built
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end
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def test_alloc_space
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reg = @builder.space
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assert_equal RegisterValue , reg.class
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assert_equal :Space , reg.type.class_name
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end
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def test_next_message
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reg = @builder.next_message
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assert_equal :r1 , reg.symbol
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assert_equal :Message , reg.type.class_name
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end
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def test_message
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reg = @builder.message
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assert_equal :r0 , reg.symbol
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assert_equal :Message , reg.type.class_name
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end
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def test_returns_built
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r1 = RegisterValue.new(:r1 , :Space)
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built = @builder.build{ space << r1 }
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assert_equal Transfer , built.class
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end
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def test_returns_two
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r1 = RegisterValue.new(:r1 , :Space)
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built = @builder.build{ space << r1 ; space << r1}
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assert_equal Transfer , built.next.class
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end
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def test_returns_slot
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r2 = RegisterValue.new(:r2 , :Message)
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r2.builder = @builder
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built = @builder.build{ r2 << space[:next_message] }
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assert_equal SlotToReg , built.class
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assert_equal :r1 , built.array.symbol
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end
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def test_returns_slot_reverse
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r2 = RegisterValue.new(:r2 , :Message)
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r2.builder = @builder
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built = @builder.build{ r2 << space[:next_message] }
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assert_equal SlotToReg , built.class
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assert_equal :r1 , built.array.symbol
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end
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def test_reuses_names
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r1 = RegisterValue.new(:r1 , :Space)
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built = @builder.build{ space << r1 ; space << r1}
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assert_equal built.to.symbol , built.next.to.symbol
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end
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def test_uses_message_as_message
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r1 = RegisterValue.new(:r1 , :Space)
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built = @builder.build{ message[:receiver] << r1}
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assert_equal RegToSlot , built.class
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assert_equal :r0 , built.array.symbol
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end
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def test_label
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label = @builder.exit_label
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assert_equal Label , label.class
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assert label.name.index("exit")
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end
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def test_two_label
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label1 = @builder.exit_label
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label2 = @builder.exit_label
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assert_equal label1 , label2
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end
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def test_if_zero
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ret = @builder.if_zero @label
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assert_equal IsZero , ret.class
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assert_equal @label , ret.label
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end
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def test_if_not_zero
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ret = @builder.if_not_zero @label
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assert_equal IsNotZero , ret.class
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assert_equal @label , ret.label
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end
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def test_branch
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ret = @builder.branch @label
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assert_equal Branch , ret.class
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assert_equal @label , ret.label
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end
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def test_minus
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op = @builder.build {space - callable_method}
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assert_equal OperatorInstruction , op.class
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assert_equal :- , op.operator
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assert_equal :Space , op.left.type.class_name
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end
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end
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end
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