rubyx/test/vool/test_assignment.rb
Torsten Rüger 5a43cbff15 Fixing tests for implicit return
previous commit affected rather many test, as the implicit returns add extra instructions
Also added some explicit returns, so as not to test the return logic too much. return (ie return nl) is a knonwn 3 risc operation.
2019-08-17 23:29:42 +03:00

96 lines
2.7 KiB
Ruby

require_relative "helper"
module Vool
class TestAssignMom < MiniTest::Test
include VoolCompile
def setup
Parfait.boot!(Parfait.default_test_options)
@compiler = compile_first_method( "local = 5;return")
@ins = @compiler.mom_instructions.next
end
def test_class_compiles
assert_equal Mom::SlotLoad , @ins.class , @ins
end
def test_slot_is_set
assert @ins.left
end
def test_slot_starts_at_message
assert_equal :message , @ins.left.known_object
end
def test_slot_gets_self
assert_equal :frame , @ins.left.slots[0]
end
def test_slot_assigns_to_local
assert_equal :local , @ins.left.slots[-1]
end
def test_slot_assigns_something
assert @ins.right
end
def test_slot_assigns_int
assert_equal Mom::IntegerConstant , @ins.right.known_object.class
end
end
#otherwise as above, but assigning instance, so should get a SlotLoad
class TestAssignMomInstanceToLocal < MiniTest::Test
include VoolCompile
def setup
Parfait.boot!(Parfait.default_test_options)
@compiler = compile_first_method( "@a = 5 ; local = @a;return")
@ins = @compiler.mom_instructions.next
end
def test_class_compiles
assert_equal Mom::SlotLoad , @ins.next.class , @ins
end
end
#compiling to an argument should result in different second parameter in the slot array
class TestAssignToArg < MiniTest::Test
include VoolCompile
def setup
Parfait.boot!(Parfait.default_test_options)
@compiler = compile_first_method( "arg = 5;return")
@ins = @compiler.mom_instructions.next
end
def test_class_compiles
assert_equal Mom::SlotLoad , @ins.class , @ins
end
def test_slot_is_set
assert @ins.left
end
def test_slot_starts_at_message
assert_equal :message , @ins.left.known_object
end
def test_slot_gets_self
assert_equal :arguments , @ins.left.slots[0]
end
def test_slot_assigns_to_local
assert_equal :arg , @ins.left.slots[-1]
end
end
class TestAssignMomToInstance < MiniTest::Test
include VoolCompile
def setup
Parfait.boot!(Parfait.default_test_options)
end
def test_assigns_const
@compiler = compile_first_method( "@a = 5;return")
@ins = @compiler.mom_instructions.next
assert_equal Mom::SlotLoad , @ins.class , @ins
assert_equal Mom::IntegerConstant , @ins.right.known_object.class , @ins
end
def test_assigns_move
@compiler = compile_first_method( "@a = arg;return")
@ins = @compiler.mom_instructions.next
assert_equal Mom::SlotLoad , @ins.class , @ins
assert_equal Mom::SlotDefinition , @ins.right.class , @ins
end
end
end