90 lines
2.5 KiB
Ruby
90 lines
2.5 KiB
Ruby
require_relative "helper"
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module Vool
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class TestAssignMom < MiniTest::Test
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include VoolCompile
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def setup
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Parfait.boot!(Parfait.default_test_options)
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@compiler = compile_first_method( "local = 5;return")
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@ins = @compiler.mom_instructions.next
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end
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def test_class_compiles
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assert_equal Mom::SlotLoad , @ins.class , @ins
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end
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def test_slot_is_set
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assert @ins.left
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end
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def test_slot_starts_at_message
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assert_equal :message , @ins.left.known_object
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end
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def test_slot_gets_local
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assert_equal :local1 , @ins.left.slots[0]
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end
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def test_slot_assigns_something
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assert @ins.right
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end
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def test_slot_assigns_int
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assert_equal Mom::IntegerConstant , @ins.right.known_object.class
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end
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end
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#otherwise as above, but assigning instance, so should get a SlotLoad
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class TestAssignMomInstanceToLocal < MiniTest::Test
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include VoolCompile
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def setup
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Parfait.boot!(Parfait.default_test_options)
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@compiler = compile_first_method( "@a = 5 ; local = @a;return")
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@ins = @compiler.mom_instructions.next
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end
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def test_class_compiles
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assert_equal Mom::SlotLoad , @ins.next.class , @ins
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end
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end
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#compiling to an argument should result in different second parameter in the slot array
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class TestAssignToArg < MiniTest::Test
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include VoolCompile
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def setup
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Parfait.boot!(Parfait.default_test_options)
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@compiler = compile_first_method( "arg = 5;return")
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@ins = @compiler.mom_instructions.next
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end
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def test_class_compiles
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assert_equal Mom::SlotLoad , @ins.class , @ins
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end
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def test_slot_is_set
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assert @ins.left
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end
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def test_slot_starts_at_message
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assert_equal :message , @ins.left.known_object
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end
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def test_slot_gets_arg
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assert_equal :arg1 , @ins.left.slots[0]
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end
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end
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class TestAssignMomToInstance < MiniTest::Test
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include VoolCompile
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def setup
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Parfait.boot!(Parfait.default_test_options)
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end
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def test_assigns_const
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@compiler = compile_first_method( "@a = 5;return")
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@ins = @compiler.mom_instructions.next
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assert_equal Mom::SlotLoad , @ins.class , @ins
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assert_equal Mom::IntegerConstant , @ins.right.known_object.class , @ins
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end
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def test_assigns_move
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@compiler = compile_first_method( "@a = arg;return")
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@ins = @compiler.mom_instructions.next
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assert_equal Mom::SlotLoad , @ins.class , @ins
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assert_equal Mom::SlotDefinition , @ins.right.class , @ins
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end
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end
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end
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