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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
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tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/ada/acats/tests/cxa/cxaa010.a
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+-- CXAA010.A
+--
+-- Grant of Unlimited Rights
+--
+-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
+-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
+-- unlimited rights in the software and documentation contained herein.
+-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
+-- this public release, the Government intends to confer upon all
+-- recipients unlimited rights equal to those held by the Government.
+-- These rights include rights to use, duplicate, release or disclose the
+-- released technical data and computer software in whole or in part, in
+-- any manner and for any purpose whatsoever, and to have or permit others
+-- to do so.
+--
+-- DISCLAIMER
+--
+-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
+-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
+-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
+-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
+-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
+-- PARTICULAR PURPOSE OF SAID MATERIAL.
+--*
+--
+-- OBJECTIVE:
+-- Check that the operations defined in package Ada.Text_IO.Decimal_IO
+-- are available, and that they function correctly when used for the
+-- input/output of Decimal types.
+--
+-- TEST DESCRIPTION:
+-- This test demonstrates the Put and Get procedures found in the
+-- generic package Ada.Text_IO.Decimal_IO. Both Put and Get are
+-- overloaded to allow placement or extraction of decimal values
+-- to/from a text file or a string. This test demonstrates both forms
+-- of each subprogram.
+-- The test defines an array of records containing decimal value
+-- and string component fields. All component values are placed in a
+-- Text_IO file, with the decimal values being placed there using the
+-- version of Put defined for files, and using user-specified formatting
+-- parameters. The data is later extracted from the file, with the
+-- decimal values being removed using the version of Get defined for
+-- files. Decimal values are then written to strings, using the
+-- appropriate Put procedure. Finally, extraction of the decimal data
+-- from the strings completes the evaluation of the Decimal_IO package
+-- subprograms.
+-- The reconstructed data is verified at the end of the test against the
+-- data originally written to the file.
+--
+-- APPLICABILITY CRITERIA:
+-- Applicable to all implementations capable of supporting external
+-- Text_IO files and Decimal Fixed Point Types
+--
+-- All implementations must attempt to compile this test.
+--
+-- For implementations validating against Information Systems Annex (F):
+-- this test must execute and report PASSED.
+--
+-- For implementations not validating against Annex F:
+-- this test may report compile time errors at one or more points
+-- indicated by "-- ANX-F RQMT", in which case it may be graded as inapplicable.
+-- Otherwise, the test must execute and report PASSED.
+--
+--
+-- CHANGE HISTORY:
+-- 06 Dec 94 SAIC ACVC 2.0
+-- 20 Feb 95 SAIC Modified test to allow for Use_Error/Name_Error
+-- generation by an implementation not supporting
+-- Text_IO operations.
+-- 14 Nov 95 SAIC Corrected string indexing for ACVC 2.0.1.
+-- 27 Feb 97 PWB.CTA Allowed for non-support of some IO operations
+-- 16 FEB 98 EDS Modified documentation.
+--!
+
+with Ada.Text_IO;
+with Report;
+
+procedure CXAA010 is
+ use Ada.Text_IO;
+ Tax_Roll : Ada.Text_IO.File_Type;
+ Tax_Roll_Name : constant String :=
+ Report.Legal_File_Name ( Nam => "CXAA010" );
+ Incomplete : exception;
+begin
+
+ Report.Test ("CXAA010", "Check that the operations defined in package " &
+ "Ada.Text_IO.Decimal_IO are available, and " &
+ "that they function correctly when used for " &
+ "the input/output of Decimal types");
+
+ Test_for_Decimal_IO_Support:
+ begin
+
+ -- An implementation that does not support Text_IO creation or naming
+ -- of external files in a particular environment will raise Use_Error
+ -- or Name_Error on a call to Text_IO Create. This block statement
+ -- encloses a call to Create, which should produce an exception in a
+ -- non-supportive environment. Either of these exceptions will be
+ -- handled to produce a Not_Applicable result.
+
+ Ada.Text_IO.Create (Tax_Roll, Ada.Text_IO.Out_File, Tax_Roll_Name);
+
+ exception
+
+ when Ada.Text_IO.Use_Error | Ada.Text_IO.Name_Error =>
+ Report.Not_Applicable
+ ( "Files not supported - Create as Out_File for Text_IO" );
+ raise Incomplete;
+
+ end Test_for_Decimal_IO_Support;
+
+ Taxation:
+ declare
+
+ ID_Length : constant := 5;
+ Price_String_Length : constant := 5;
+ Value_String_Length : constant := 6;
+ Total_String_Length : constant := 20;
+ Spacer : constant String := " "; -- Two blanks.
+
+ type Price_Type is delta 0.1 digits 4; -- ANX-F RQMT
+ type Value_Type is delta 0.01 digits 5; -- ANX-F RQMT
+
+ type Property_Type is
+ record
+ Parcel_ID : String (1..ID_Length);
+ Purchase_Price : Price_Type;
+ Assessed_Value : Value_Type;
+ end record;
+
+ type City_Block_Type is array (1..4) of Property_Type;
+
+ subtype Tax_Bill_Type is string (1..Total_String_Length);
+ type Tax_Bill_Array_Type is array (1..4) of Tax_Bill_Type;
+
+ Neighborhood : City_Block_Type :=
+ (("X9254", 123.0, 135.00), ("X3569", 345.0, 140.50),
+ ("X3434", 234.0, 179.50), ("X8838", 456.0, 158.00));
+
+ Neighborhood_Taxes : Tax_Bill_Array_Type;
+
+ package Price_IO is new Ada.Text_IO.Decimal_IO (Price_Type);
+ package Value_IO is new Ada.Text_IO.Decimal_IO (Value_Type);
+
+ begin -- Taxation
+
+ Assessors_Office:
+ begin
+
+ for Parcel in City_Block_Type'Range loop
+ -- Note: All data in the file will be separated with a
+ -- two-character blank spacer.
+ Ada.Text_IO.Put(Tax_Roll, Neighborhood(Parcel).Parcel_ID);
+ Ada.Text_IO.Put(Tax_Roll, Spacer);
+
+ -- Use Decimal_IO.Put with non-default format parameters to
+ -- place decimal data into file.
+ Price_IO.Put (Tax_Roll, Neighborhood(Parcel).Purchase_Price,
+ Fore => 3, Aft =>1, Exp => 0);
+ Ada.Text_IO.Put(Tax_Roll, Spacer);
+
+ Value_IO.Put (Tax_Roll, Neighborhood(Parcel).Assessed_Value,
+ Fore => 3, Aft =>2, Exp => 0);
+ Ada.Text_IO.New_Line(Tax_Roll);
+ end loop;
+
+ Ada.Text_IO.Close (Tax_Roll);
+
+ exception
+ when others =>
+ Report.Failed ("Exception raised in Assessor's Office");
+ end Assessors_Office;
+
+
+ Twice_A_Year:
+ declare
+
+ procedure Collect_Tax(Index : in Integer;
+ Tax_Array : in out Tax_Bill_Array_Type) is
+ ID : String (1..ID_Length);
+ Price : Price_Type := 0.0;
+ Value : Value_Type := 0.00;
+ Price_String : String (1..Price_String_Length);
+ Value_String : String (1..Value_String_Length);
+ begin
+
+ -- Extract information from the Text_IO file; one string, two
+ -- decimal values.
+ -- Note that the Spacers that were put in the file above are
+ -- not individually read here, due to the fact that each call
+ -- to Decimal_IO.Get below uses a zero in the Width field,
+ -- which allows each Get procedure to skip these leading blanks
+ -- prior to extracting the numeric value.
+
+ Ada.Text_IO.Get (Tax_Roll, ID);
+
+ -- A zero value of Width is provided, so the following
+ -- two calls to Decimal_IO.Get will skip the leading blanks,
+ -- (from the Spacer variable above), then read the numeric
+ -- literals.
+
+ Price_IO.Get (Tax_Roll, Price, 0);
+ Value_IO.Get (Tax_Roll, Value, 0);
+ Ada.Text_IO.Skip_Line (Tax_Roll);
+
+ -- Convert the values read from the file into string format,
+ -- using user-specified format parameters.
+ -- Format of the Price_String should be "nnn.n"
+ -- Format of the Value_String should be "nnn.nn"
+
+ Price_IO.Put (To => Price_String,
+ Item => Price,
+ Aft => 1);
+ Value_IO.Put (Value_String, Value, 2);
+
+ -- Construct a string of length 20 that contains the Parcel_ID,
+ -- the Purchase_Price, and the Assessed_Value, separated by
+ -- two-character blank data spacers. Store this string
+ -- into the string array out parameter.
+ -- Format of each Tax_Array element should be
+ -- "Xnnnn nnn.n nnn.nn" (with an 'n' signifying a digit).
+
+ Tax_Array(Index) := ID & Spacer &
+ Price_String & Spacer &
+ Value_String;
+ exception
+ when Data_Error =>
+ Report.Failed("Data Error raised during the extraction " &
+ "of decimal data from the file");
+ when others =>
+ Report.Failed("Exception in Collect_Tax procedure");
+ end Collect_Tax;
+
+
+ begin -- Twice_A_Year
+
+ Ada.Text_IO.Open (Tax_Roll, Ada.Text_IO.In_File, Tax_Roll_Name);
+
+ -- Determine property tax bills for the entire neighborhood from
+ -- the information that is stored in the file. Store information
+ -- in the Neighborhood_Taxes string array.
+
+ for Parcel in City_Block_Type'Range loop
+ Collect_Tax (Parcel, Neighborhood_Taxes);
+ end loop;
+
+ exception
+ when others =>
+ Report.Failed ("Exception in Twice_A_Year Block");
+ end Twice_A_Year;
+
+ -- Use Decimal_IO Get procedure to extract information from a string.
+ -- Verify data against original values.
+ Validation_Block:
+ declare
+ TC_ID : String (1..ID_Length); -- 1..5
+ TC_Price : Price_Type;
+ TC_Value : Value_Type;
+ Length : Positive;
+ Front,
+ Rear : Integer := 0;
+ begin
+
+ for Parcel in City_Block_Type'Range loop
+ -- Extract values from the strings of the string array.
+ -- Each element of the string array is 20 characters long; the
+ -- first five characters are the Parcel_ID, two blank characters
+ -- separate data, the next five characters contain the Price
+ -- decimal value, two blank characters separate data, the last
+ -- six characters contain the Value decimal value.
+ -- Extract each of these components in turn.
+
+ Front := 1; -- 1
+ Rear := ID_Length; -- 5
+ TC_ID := Neighborhood_Taxes(Parcel)(Front..Rear);
+
+ -- Extract the decimal value from the next slice of the string.
+ Front := Rear + 3; -- 8
+ Rear := Front + Price_String_Length - 1; -- 12
+ Price_IO.Get (Neighborhood_Taxes(Parcel)(Front..Rear),
+ Item => TC_Price,
+ Last => Length);
+
+ -- Extract next decimal value from slice of string, based on
+ -- length of preceding strings read from string array element.
+ Front := Rear + 3; -- 15
+ Rear := Total_String_Length; -- 20
+ Value_IO.Get (Neighborhood_Taxes(Parcel)(Front..Rear),
+ Item => TC_Value,
+ Last => Length);
+
+ if TC_ID /= Neighborhood(Parcel).Parcel_ID or
+ TC_Price /= Neighborhood(Parcel).Purchase_Price or
+ TC_Value /= Neighborhood(Parcel).Assessed_Value
+ then
+ Report.Failed ("Incorrect data validation");
+ end if;
+
+ end loop;
+
+ exception
+ when others => Report.Failed ("Exception in Validation Block");
+ end Validation_Block;
+
+ -- Check that the Text_IO file is open, then delete.
+
+ if not Ada.Text_IO.Is_Open (Tax_Roll) then
+ Report.Failed ("File not left open after processing");
+ Ada.Text_IO.Open (Tax_Roll, Ada.Text_IO.Out_File, Tax_Roll_Name);
+ end if;
+
+ Ada.Text_IO.Delete (Tax_Roll);
+
+ exception
+ when others =>
+ Report.Failed ("Exception in Taxation block");
+ -- Check that the Text_IO file is open, then delete.
+ if not Ada.Text_IO.Is_Open (Tax_Roll) then
+ Ada.Text_IO.Open (Tax_Roll,
+ Ada.Text_IO.Out_File,
+ Tax_Roll_Name);
+ end if;
+ Ada.Text_IO.Delete (Tax_Roll);
+ end Taxation;
+
+ Report.Result;
+
+exception
+ when Incomplete =>
+ Report.Result;
+ when others =>
+ Report.Failed ( "Unexpected exception" );
+ Report.Result;
+
+end CXAA010;