diff --git a/test/arm/test_stack.rb b/test/arm/test_stack.rb
index 732af4db..515c1a9c 100644
--- a/test/arm/test_stack.rb
+++ b/test/arm/test_stack.rb
@@ -7,8 +7,25 @@ class TestStack < MiniTest::Test
     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