Add some tests

ifj2017/tests/02_functions/26.code

@@ -0,0 +1,13 @@
+' Multiple return inside function
+
+function foo() as integer
+	return 42
+	return 31
+	return 22
+end function
+
+scope
+	dim b as integer
+	b = foo()
+	print b;
+end scope

ifj2017/tests/02_functions/27.code

@@ -0,0 +1,14 @@
+' Condition return
+
+function get_integer(a as integer) as integer
+	if a < 2 then
+		return 42
+	else
+	end if
+end function
+
+scope
+	dim b as string
+	b = get_integer(25)
+	print b;
+end scope

ifj2017/tests/02_functions/tests.json

@@ -77,6 +77,15 @@
       "name": "25",
       "stdout": " 486",
       "timeout": 2
+    },
+    {
+      "name": "26",
+      "stdout": " 42"
+    },
+    {
+      "name": "27",
+      "compiler_exit_code": 4,
+      "stdout": " 0"
     }
   ]
 }

ifj2017/tests/66_errors/tests.json

@@ -313,6 +313,41 @@
       "info": "Empty file",
       "name": "17",
       "compiler_exit_code": 2
+    },
+    {
+      "info": "Function after scope",
+      "compiler_exit_code": 2,
+      "code": "scope  \n end scope \n function foo() as integer \n end function"
+    },
+    {
+      "info": "Declaration after scope",
+      "compiler_exit_code": 2,
+      "code": "scope  \n end scope \n declare function foo() as integer"
+    },
+    {
+      "info": "No end scope",
+      "compiler_exit_code": 2,
+      "code": "scope \n dim a as integer \n print a;"
+    },
+    {
+      "info": "No end function",
+      "compiler_exit_code": 2,
+      "code": "function foo() as integer \n scope \n end scope"
+    },
+    {
+      "info": "Print without semicolon",
+      "compiler_exit_code": 2,
+      "code": "scope \n  print 10 \n end scope"
+    },
+    {
+      "info": "Print without semicolon 2",
+      "compiler_exit_code": 2,
+      "code": "scope \n  print 10; 10\n end scope"
+    },
+    {
+      "info": "Print without semicolon 2",
+      "compiler_exit_code": 2,
+      "code": "scope \n  print 10 10;\n end scope"
     }
 
   ]