move assignment test into own dir

test/mom/assign/test_assign_arg_const.rb

@@ -0,0 +1,32 @@
+require_relative '../helper'
+
+module Risc
+  class TestAssignArgConst < MiniTest::Test
+    include Statements
+
+    def setup
+      super
+      @input = "arg = 5"
+      @expect = [LoadConstant, SlotToReg, RegToSlot]
+    end
+    def test_local_assign_instructions
+      assert_nil msg = check_nil , msg
+    end
+
+    def test_constant_load
+      produced = produce_body
+      assert_equal 5 , produced.constant.known_object.value
+    end
+
+    def test_slot_move
+      produced = produce_body
+      assert_equal produced.next(2).register , produced.register
+    end
+    def test_load_args_from_message
+      produced = produce_body
+      assert_equal :r0 , produced.next.array.symbol , produced.next.to_rxf
+      assert_equal 9 , produced.next.index , produced.next.to_rxf
+    end
+
+  end
+end

test/mom/assign/test_assign_ivar_const.rb

@@ -0,0 +1,33 @@
+require_relative '../helper'
+
+module Risc
+  class TestAssignIvarConst < MiniTest::Test
+    include Statements
+
+    def setup
+      super
+      @input = "@ivar = 5"
+      @expect = [LoadConstant, SlotToReg, RegToSlot]
+    end
+    def test_local_assign_instructions
+      assert_nil msg = check_nil , msg
+    end
+
+    def test_constant_load
+      produced = produce_body
+      assert_equal 5 , produced.constant.known_object.value
+    end
+
+    def test_slot_move
+      produced = produce_body
+      assert_equal produced.next.next.register , produced.register
+    end
+
+    def test_load_self_from_message
+      produced = produce_body
+      assert_equal :r0 , produced.next.array.symbol , produced.next.to_rxf
+      assert_equal 3 , produced.next.index , produced.next.to_rxf
+    end
+
+  end
+end

test/mom/assign/test_assign_local_arg.rb

@@ -0,0 +1,31 @@
+require_relative '../helper'
+
+module Risc
+  class TestAssignLocalArg < MiniTest::Test
+    include Statements
+
+    def setup
+      super
+      @input = "local = arg"
+      @expect = [SlotToReg, SlotToReg, SlotToReg, RegToSlot]
+    end
+    def test_local_assign_instructions
+      assert_nil msg = check_nil , msg
+    end
+
+    def test_slot_move
+      produced = produce_body
+      assert_equal produced.next(3).register , produced.register
+    end
+    def test_load_args_from_message
+      produced = produce_body
+      assert_equal :r0 , produced.array.symbol , produced.next.to_rxf
+      assert_equal 9 , produced.index , produced.next.to_rxf
+    end
+    def test_load_frame_from_message
+      produced = produce_body
+      assert_equal :r0 , produced.next(2).array.symbol , produced.next.to_rxf
+      assert_equal 2 , produced.next.index , produced.next.to_rxf
+    end
+  end
+end

test/mom/assign/test_assign_local_const.rb

@@ -0,0 +1,27 @@
+require_relative '../helper'
+
+module Risc
+  class TestAssignLocalConst < MiniTest::Test
+    include Statements
+
+    def setup
+      super
+      @input = "r = 5"
+      @expect = [LoadConstant,SlotToReg, RegToSlot]
+    end
+    def test_local_assign_instructions
+      assert_nil msg = check_nil , msg
+    end
+
+    def test_constant_load
+      produced = produce_body
+      assert_equal 5 , produced.constant.known_object.value
+    end
+
+    def test_slot_move
+      produced = produce_body
+      assert_equal produced.next(2).register , produced.register
+    end
+
+  end
+end

test/mom/assign/test_assign_local_ivar.rb

@@ -0,0 +1,28 @@
+require_relative '../helper'
+
+module Risc
+  class TestAssignLocalIvar < MiniTest::Test
+    include Statements
+
+    def setup
+      super
+      @input = "@ivar = 5 ; r = @ivar"
+      @expect = [LoadConstant, SlotToReg, RegToSlot, SlotToReg, SlotToReg, SlotToReg ,
+                 RegToSlot]
+    end
+    def test_local_assign_instructions
+      assert_nil msg = check_nil , msg
+    end
+
+    def test_constant_load
+      produced = produce_body
+      assert_equal 5 , produced.constant.known_object.value
+    end
+
+    def test_slot_move
+      produced = produce_body
+      assert_equal produced.next(2).register , produced.register
+    end
+
+  end
+end

test/mom/assign/test_assign_local_send.rb

@@ -0,0 +1,28 @@
+require_relative '../helper'
+
+module Risc
+  class TestAssignLocalSend < MiniTest::Test
+    include Statements
+
+    def setup
+      super
+      @input = "r = 5.mod4"
+      @expect = [Label, LoadConstant, SlotToReg, RegToSlot, Label, Label ,
+                 SlotToReg, SlotToReg, RegToSlot]
+    end
+    def test_local_assign_instructions
+      assert_nil msg = check_nil , msg
+    end
+
+    def ttest_constant_load
+      produced = produce_body
+      assert_equal 5 , produced.constant.known_object.value
+    end
+
+    def ttest_slot_move
+      produced = produce_body
+      assert_equal produced.next.register , produced.register
+    end
+
+  end
+end