bit of renaming and a string test

test/risc/mains/README.md

@@ -0,0 +1,5 @@
+# Method testing
+
+Test Whole methods by their output. Using the main method (implicitly)
+
+Through Interpreter

test/risc/mains/test_adds.rb

@@ -1,12 +1,12 @@
 require_relative '../helper'
 
 module Mains
-  class TestLargerWhile < MiniTest::Test
+  class TestAdds < MiniTest::Test
     include Risc::Ticker
     def setup;end
 
     def test_ruby_adds
-      run_input <<HERE
+      run_main <<HERE
         a = 0
         b = 20
         while( a < b )
@@ -19,7 +19,7 @@ HERE
       assert_equal 10 , get_return.value
     end
     def test_ruby_subs
-      run_input <<HERE
+      run_main <<HERE
         b = 10
         while( b >= 1 )
           b = b - 1
@@ -30,7 +30,7 @@ HERE
       assert_equal 0 , get_return.value
     end
     def test_ruby_adds_fibo
-      run_input <<HERE
+      run_main <<HERE
         n = 6
         a = 0
         b = 1

test/risc/mains/test_puts.rb

@@ -0,0 +1,16 @@
+require_relative '../helper'
+
+module Mains
+  class TestPuts < MiniTest::Test
+    include Risc::Ticker
+    def setup;end
+
+    def test_say_hi
+      hi = "Hello there"
+      run_main "'#{hi}'.putstring"
+      assert_equal Parfait::Integer , get_return.class
+      assert_equal hi.length , get_return.value
+      assert_equal hi , @interpreter.stdout
+    end
+  end
+end