Core - fix rand_look and rand_i_look to honour their arguments

Author: samaaron

CHANGELOG.md

@@ -65,6 +65,7 @@ used for Windows.
 * Improve error message reported when required ports are not available
   at boot.
 * Fix issue with calling `control` on a chord group.  
+* Fix `rand` and `rand_i` to honour their arguments.
 
 <a name="v2.11"></a>
 

app/server/sonicpi/lib/sonicpi/lang/core.rb

@@ -2346,8 +2346,9 @@ def rand_i(max=2)
 
 
       def rand_look(*args)
-        rand(*args)
+        res = rand(*args)
         rand_back
+        res
       end
       doc name:           :rand_look,
           introduced:     Version.new(2,11,0),
@@ -2373,8 +2374,9 @@ def rand_look(*args)
 
 
       def rand_i_look(*args)
-        rand_i(*args)
+        res = rand_i(*args)
         rand_back
+        res
       end
       doc name:           :rand_i_look,
           introduced:     Version.new(2,11,0),

app/server/sonicpi/test/lang/core/test_random.rb

@@ -97,5 +97,21 @@ def test_rand_i_only_returns_ints
       assert_equal(Fixnum, rand_i(0..10).class)
       assert_equal(Fixnum, rand_i(1.5).class)
     end
+
+    def test_rand_look
+      rand_reset
+      assert_equal(rand_look, 0.75006103515625)
+
+      rand_reset
+      assert_equal(rand_look(0.5), 0.375030517578125)
+    end
+
+    def test_rand_i_look
+      rand_reset
+      assert_equal(rand_i_look, 1)
+
+      rand_reset
+      assert_equal(rand_i_look(100), 75)
+    end
   end
 end