rubyx/test/risc/test_standard_allocator.rb
Torsten 3f131a4018 start with register assigning
have to find a way to set them next
2020-03-22 14:31:43 +02:00

51 lines
1.4 KiB
Ruby

require_relative "../helper"
module Risc
class TestStandardAllocator < MiniTest::Test
def setup
Parfait.boot!(Parfait.default_test_options)
@allocator = StandardAllocator.new(Risc.test_compiler , Platform.for(:arm))
end
def tmp_reg
Risc.tmp_reg(:Type)
end
def test_regs
assert_equal Hash , @allocator.used_regs.class
end
def test_empty
assert @allocator.used_regs_empty?
end
def test_reg_names
assert_equal 16 , @allocator.reg_names.length
end
def test_compiler
assert_equal CallableCompiler , @allocator.compiler.class
assert_equal :fake_name , @allocator.compiler.callable.name
end
def test_platform
assert_equal Arm::ArmPlatform , @allocator.platform.class
end
def test_allocate_runs
assert_nil @allocator.allocate_regs
end
def test_live
live = @allocator.walk_and_mark(@allocator.compiler.risc_instructions)
assert_equal 0 , live.length
end
def test_add_ok
assert_equal Symbol, @allocator.use_reg(:r1, :some).class
assert @allocator.used_regs.include?(:r1)
end
def test_add_fail
assert_raises{ @allocator.use_reg(1)}
end
def test_release_reg
@allocator.use_reg(:r1 , :some)
assert @allocator.used_regs.include?(:r1)
assert_equal Symbol , @allocator.release_reg(tmp_reg).class
assert !@allocator.used_regs.include?(:r1)
end
end
end