summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gnat.dg/slice7.adb
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/gnat.dg/slice7.adb')
-rw-r--r--gcc/testsuite/gnat.dg/slice7.adb38
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/slice7.adb b/gcc/testsuite/gnat.dg/slice7.adb
new file mode 100644
index 000000000..bb68c1f0f
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/slice7.adb
@@ -0,0 +1,38 @@
+-- { dg-do compile }
+-- { dg-options "-gnatws" }
+
+with System.Storage_Elements; use System.Storage_Elements;
+with Unchecked_Conversion;
+with Slice7_Pkg; use Slice7_Pkg;
+
+procedure Slice7 is
+
+ type Discrete_Type is range 1 .. 32;
+
+ Max_Byte_Count : constant := 4;
+ subtype Byte_Count_Type is Storage_Offset range 1..Max_Byte_Count;
+
+ subtype Buffer_Type is Storage_Array (Byte_Count_Type);
+ function Convert_Put is new Unchecked_Conversion (Integer, Buffer_Type);
+
+ function Set_Buffer_Size return Byte_Count_Type is
+ begin
+ return 4;
+ end;
+
+ Buffer_Size : constant Byte_Count_Type := Set_Buffer_Size;
+ Buffer_End : constant Byte_Count_Type := Max_Byte_Count;
+ Buffer_Start : constant Byte_Count_Type := Buffer_End - Buffer_Size + 1;
+
+ Obj : Discrete_Type;
+
+begin
+ Put (Convert_Put(Discrete_Type'Pos (Obj)));
+
+ Put (Convert_Put(Discrete_Type'Pos (Obj))
+ (Buffer_Start..Buffer_End));
+
+ Put (Convert_Put(Discrete_Type'Pos (Obj) -
+ Discrete_Type'Pos (Discrete_Type'First))
+ (Buffer_Start..Buffer_End));
+end;