rubyx/test/arm/test_stack.rb

require_relative 'helper'

module Arm
  class TestStack < MiniTest::Test
    include ArmHelper

    def test_push
      code = @machine.push [:lr]
      assert_code code , :push ,  [0x00,0x40,0x2d,0xe9] #e9 2d 40 00
    end
    def test_push_three
      code = @machine.push [:r0,:r1,:lr]
      assert_code code , :push ,  [0x03,0x40,0x2d,0xe9] #e9 2d 40 03
    end
    def test_push_no_link
      code = @machine.push [:r0,:r1,:r2 ,:r3,:r4,:r5]
      assert_code code , :push ,  [0x3f,0x00,0x2d,0xe9] #e9 2d 00 3f
    end
    def test_pop
      code = @machine.pop [:pc]
      assert_code code , :pop , [0x00,0x80,0xbd,0xe8] #e8 bd 80 00
    end
    def test_pop_three
      code = @machine.pop [:r0,:r1,:pc]
      assert_code code , :pop , [0x03,0x80,0xbd,0xe8] #e8 bd 80 03
    end
    def test_pop_no_pc
      code = @machine.pop [:r0,:r1,:r2 ,:r3,:r4,:r5]
      assert_code code , :pop , [0x3f,0x00,0xbd,0xe8] #e8 bd 00 3f
    end

  end
end