insertion pushes, split position tests

test/risc/position/test_position2.rb

@@ -0,0 +1,36 @@
+require_relative "helper"
+
+module Risc
+  class TestPositionMath < MiniTest::Test
+
+    def setup
+      @pos = Position.new(self , 5)
+    end
+    def test_add
+      res = @pos + 5
+      assert_equal 10 , res
+    end
+    def test_sub
+      res = @pos - 3
+      assert_equal 2 , res
+    end
+    def test_sub_pos
+      res = @pos - Position.new(@pos,4)
+      assert_equal 1 , res
+    end
+    def test_lg
+      assert @pos > Position.new(@pos,4)
+    end
+    def test_tos
+      assert_equal "0x5" , @pos.to_s
+    end
+    def test_reset_ok
+      pos = @pos.set(10)
+      assert_equal 10 , pos
+    end
+    def test_at
+      pos = Position.at(5)
+      assert_equal 5 , pos.at
+    end
+  end
+end