Rename check_maker to equal_goto

will have different classes for different checks, started that

test/slot_language/test_equal_goto.rb

@@ -0,0 +1,60 @@
+require_relative "helper"
+
+module SlotLanguage
+  class TestEqualGoto < MiniTest::Test
+    include SlotHelper
+
+    def do_check(check)
+      assert_equal EqualGoto , check.class
+      assert_equal Goto , check.goto.class
+      assert_equal SlotMaker , check.left.class
+      assert_equal SlotMaker , check.right.class
+    end
+    def test_equal_local
+      check = compile("goto(exit_label) if(a == b)")
+      do_check(check)
+      assert_equal :a , check.left.names[0]
+      assert_equal :b , check.right.names[0]
+    end
+    def test_equal_inst_left
+      check = compile("goto(exit_label) if(@a == b)")
+      do_check(check)
+      assert_equal :@a , check.left.names[0]
+    end
+    def test_equal_inst_right
+      check = compile("goto(exit_label) if(a == @b)")
+      do_check(check)
+      assert_equal :@b , check.right.names[0]
+    end
+  end
+
+  class TestEqualGotoFull < MiniTest::Test
+    include SlotHelper
+    def setup
+      @expr = compile("start_label;goto(start_label) if( b == c)")
+    end
+    def test_2
+      assert_equal Array , @expr.class
+      assert_equal 2 , @expr.length
+    end
+    def test_label
+      assert_equal SlotMachine::Label , @expr.first.class
+      assert_equal :start_label , @expr.first.name
+    end
+    def test_conditional
+      assert_equal EqualGoto , @expr.last.class
+      assert_equal :start_label , @expr.last.goto.label.name
+    end
+    def test_same_label
+      assert_equal @expr.first.object_id , @expr.last.goto.label.object_id
+    end
+    def test_expression_left
+      assert_equal SlotMaker , @expr.last.left.class
+      assert_equal [:b] , @expr.last.left.names
+    end
+    def test_expression_right
+      assert_equal SlotMaker , @expr.last.right.class
+      assert_equal [:c] , @expr.last.right.names
+    end
+  end
+end

test/slot_language/test_slot_compiler.rb

@@ -7,6 +7,9 @@ module SlotLanguage
     def test_init
       assert SlotCompiler.new
     end
+    def test_labels
+      assert SlotCompiler.new.labels.empty?
+    end
     def test_compile
       assert_equal SlotMaker , compile("a").class
     end
@@ -25,11 +28,6 @@ module SlotLanguage
     def test_slot_load_linst_trav2
        assert_equal LoadMaker , compile_class("@a.c = b.c")
     end
-    def test_if
-      check = compile("goto(exit_label) if(a == b)")
-      assert_equal CheckMaker , check.class
-      assert_equal Goto , check.goto.class
-    end
     def test_assign
       assign = compile("c = d")
       assert_equal LoadMaker , assign.class
@@ -42,12 +40,6 @@ module SlotLanguage
       assign = compile("c.next = d")
       assert_equal LoadMaker  , assign.class
     end
-    def test_multiline
-      multi = compile("start_label;c = c.next;goto(start_label)")
-      assert_equal Array , multi.class
-      assert_equal SlotMachine::Label , multi.first.class
-      assert_equal Goto , multi.last.class
-    end
     def test_shift
       load = compile("word = name.member")
       assert_equal LoadMaker , load.class