@@ -628,6 +628,11 @@ package body Ada.Strings.Fixed with SPARK_Mode is
(Result (1 .. Integer'Max (0, Low - Source'First))
= Source (Source'First .. Low - 1));
Result (Front_Len + 1 .. Front_Len + By'Length) := By;
+ pragma Assert
+ (Result
+ (Integer'Max (0, Low - Source'First) + 1
+ .. Integer'Max (0, Low - Source'First) + By'Length)
+ = By);
if High < Source'Last then
Result (Front_Len + By'Length + 1 .. Result'Last) :=
@@ -1150,6 +1150,14 @@ package body Ada.Strings.Superbounded with SPARK_Mode is
Result.Data (Position .. Position - 1 + New_Item'Length) :=
Super_String_Data (New_Item);
Result.Current_Length := Source.Current_Length;
+ pragma Assert
+ (String'(Super_Slice (Result, 1, Position - 1)) =
+ Super_Slice (Source, 1, Position - 1));
+ pragma Assert
+ (Super_Slice (Result,
+ Position, Position - 1 + New_Item'Length) =
+ New_Item);
+
return Result;
elsif Position - 1 <= Max_Length - New_Item'Length then
@@ -1157,6 +1165,14 @@ package body Ada.Strings.Superbounded with SPARK_Mode is
Result.Data (Position .. Position - 1 + New_Item'Length) :=
Super_String_Data (New_Item);
Result.Current_Length := Position - 1 + New_Item'Length;
+ pragma Assert
+ (String'(Super_Slice (Result, 1, Position - 1)) =
+ Super_Slice (Source, 1, Position - 1));
+ pragma Assert
+ (Super_Slice (Result,
+ Position, Position - 1 + New_Item'Length) =
+ New_Item);
+
return Result;
else
@@ -1189,6 +1205,7 @@ package body Ada.Strings.Superbounded with SPARK_Mode is
end case;
Result.Current_Length := Max_Length;
+ pragma Assert (Super_Length (Result) = Source.Max_Length);
return Result;
end if;
end Super_Overwrite;