------------------------------------------------------------------------------
-- Copyright (c) 2014, Natacha Porté --
-- --
-- Permission to use, copy, modify, and distribute this software for any --
-- purpose with or without fee is hereby granted, provided that the above --
-- copyright notice and this permission notice appear in all copies. --
-- --
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES --
-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF --
-- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR --
-- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES --
-- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN --
-- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF --
-- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. --
------------------------------------------------------------------------------
with Ada.Characters.Latin_1;
with Natools.S_Expressions.Encodings;
with Natools.S_Expressions.Parsers;
with Natools.S_Expressions.Test_Tools;
package body Natools.S_Expressions.Printers.Pretty.Tests is
package Latin_1 renames Ada.Characters.Latin_1;
procedure Check_Stream
(Test : in out NT.Test;
Stream : in Test_Tools.Memory_Stream);
-- On error in Stream, report error and dump relevant information.
procedure Parse_Print_Test
(Test : in out NT.Test;
Param : in Parameters;
Expected : in Atom);
-- Parse Expected and feed it into a new pretty printer, checking
-- the result is identical to Expected.
------------------------------
-- Local Helper Subprograms --
------------------------------
procedure Check_Stream
(Test : in out NT.Test;
Stream : in Test_Tools.Memory_Stream) is
begin
if Stream.Has_Mismatch or else Stream.Unread_Expected /= Null_Atom then
if Stream.Has_Mismatch then
Test.Fail ("Mismatch at position"
& Count'Image (Stream.Mismatch_Index));
declare
Stream_Data : Atom renames Stream.Get_Data;
begin
Test_Tools.Dump_Atom
(Test,
Stream_Data (Stream_Data'First .. Stream.Mismatch_Index - 1),
"Matching data");
Test_Tools.Dump_Atom
(Test,
Stream_Data (Stream.Mismatch_Index .. Stream_Data'Last),
"Mismatching data");
end;
end if;
if Stream.Unread_Expected /= Null_Atom then
Test.Fail;
Test_Tools.Dump_Atom
(Test,
Stream.Unread_Expected,
"Left to expect");
end if;
end if;
end Check_Stream;
procedure Parse_Print_Test
(Test : in out NT.Test;
Param : in Parameters;
Expected : in Atom) is
begin
declare
Input, Output : aliased Test_Tools.Memory_Stream;
Parser : aliased Parsers.Parser;
Subparser : Parsers.Subparser (Parser'Access, Input'Access);
Pretty_Printer : Printer (Output'Access);
Event : Events.Event;
begin
Input.Set_Data (Expected);
Output.Set_Expected (Expected);
Pretty_Printer.Set_Parameters (Param);
Subparser.Next (Event);
Transfer (Subparser, Pretty_Printer);
Check_Stream (Test, Output);
end;
exception
when Error : others =>
Test.Report_Exception (Error);
end Parse_Print_Test;
-------------------------
-- Complete Test Suite --
-------------------------
procedure All_Tests (Report : in out NT.Reporter'Class) is
begin
Basic_Printing (Report);
Atom_Encodings (Report);
Separators (Report);
Atom_Width (Report);
end All_Tests;
-----------------------
-- Inidividual Tests --
-----------------------
procedure Atom_Encodings (Report : in out NT.Reporter'Class) is
Test : NT.Test := Report.Item ("Atom encodings");
Param : Parameters := Canonical;
begin
Parse_Print_Test (Test, Param,
To_Atom ("17:verbatim" & Latin_1.NUL & "encoding"));
Param.Fallback := Hexadecimal;
Parse_Print_Test (Test, Param,
To_Atom ("#48657861646563696D616C03456E636F64696E670A#"));
Param.Hex_Casing := Encodings.Lower;
Parse_Print_Test (Test, Param,
To_Atom ("#4c6f7765722043617365204865786164"
& "6563696d616c03456e636f64696e670a#"));
Param.Fallback := Base64;
Parse_Print_Test (Test, Param,
To_Atom ("|QmFzZS02NAllbmNvZGluZwo=|"));
Param.Quoted := Single_Line;
Parse_Print_Test (Test, Param,
To_Atom ("""quoted\r\nstring\tencoding"""));
Param.Token := Standard_Token;
Parse_Print_Test (Test, Param,
To_Atom ("(standard token ""123""encoding)"));
Param.Token := Extended_Token;
Parse_Print_Test (Test, Param,
To_Atom ("(extended token 123 encoding)"));
exception
when Error : others => Test.Report_Exception (Error);
end Atom_Encodings;
procedure Atom_Width (Report : in out NT.Reporter'Class) is
Test : NT.Test := Report.Item ("Atom width");
Param : Parameters
:= (Width => 10,
Newline_At => (others => (others => False)),
Space_At => (others => (others => False)),
Tab_Stop => 8,
Indentation => 3,
Indent => Spaces,
Quoted => No_Quoted,
Token => No_Token,
Hex_Casing => Encodings.Upper,
Quoted_Escape => Hex_Escape,
Char_Encoding => ASCII,
Fallback => Hexadecimal,
Newline => LF);
begin
declare
Output : aliased Test_Tools.Memory_Stream;
Pr : Printer (Output'Access);
begin
Output.Set_Expected (To_Atom ("(" & Latin_1.LF
& " #303132" & Latin_1.LF
& " 333435" & Latin_1.LF
& " 3637#)"));
Pr.Set_Parameters (Param);
Pr.Open_List;
Pr.Append_Atom (To_Atom ("01234567"));
Pr.Close_List;
Check_Stream (Test, Output);
end;
Param.Fallback := Base64;
declare
Output : aliased Test_Tools.Memory_Stream;
Pr : Printer (Output'Access);
begin
Output.Set_Expected (To_Atom ("(" & Latin_1.LF
& " | YWJj" & Latin_1.LF
& " REVG" & Latin_1.LF
& " Z2hp" & Latin_1.LF
& " SktM" & Latin_1.LF
& " |)"));
Pr.Set_Parameters (Param);
Pr.Open_List;
Pr.Append_Atom (To_Atom ("abcDEFghiJKL"));
Pr.Close_List;
Check_Stream (Test, Output);
end;
exception
when Error : others => Test.Report_Exception (Error);
end Atom_Width;
procedure Basic_Printing (Report : in out NT.Reporter'Class) is
Test : NT.Test := Report.Item ("Basic printing");
begin
declare
Output : aliased Test_Tools.Memory_Stream;
P : Printer (Output'Access);
begin
Output.Set_Expected (To_Atom ("(7:command(6:subarg)3:arg)3:end"));
P.Set_Parameters (Canonical);
P.Open_List;
P.Append_Atom (To_Atom ("command"));
P.Open_List;
P.Append_Atom (To_Atom ("subarg"));
P.Close_List;
P.Append_Atom (To_Atom ("arg"));
P.Close_List;
P.Append_Atom (To_Atom ("end"));
Check_Stream (Test, Output);
end;
exception
when Error : others => Test.Report_Exception (Error);
end Basic_Printing;
procedure Separators (Report : in out NT.Reporter'Class) is
procedure Test_Exp (Pr : in out Printer);
procedure Test_Exp (Pr : in out Printer) is
begin
Pr.Append_Atom (To_Atom ("begin"));
Pr.Open_List;
Pr.Open_List;
Pr.Close_List;
Pr.Open_List;
Pr.Append_Atom (To_Atom ("head"));
Pr.Append_Atom (To_Atom ("tail"));
Pr.Close_List;
Pr.Close_List;
Pr.Append_Atom (To_Atom ("end"));
end Test_Exp;
Test : NT.Test := Report.Item ("Separators");
Param : Parameters := Canonical;
begin
declare
Output : aliased Test_Tools.Memory_Stream;
Pr : Printer (Output'Access);
begin
Output.Set_Expected (To_Atom ("5:begin(()(4:head4:tail))3:end"));
Pr.Set_Parameters (Param);
Test_Exp (Pr);
Check_Stream (Test, Output);
end;
Param.Space_At := (others => (others => True));
declare
Output : aliased Test_Tools.Memory_Stream;
Pr : Printer (Output'Access);
begin
Output.Set_Expected
(To_Atom ("5:begin ( ( ) ( 4:head 4:tail ) ) 3:end"));
Pr.Set_Parameters (Param);
Test_Exp (Pr);
Check_Stream (Test, Output);
end;
Param.Newline_At := (others => (others => True));
Param.Newline := LF;
declare
Output : aliased Test_Tools.Memory_Stream;
Pr : Printer (Output'Access);
begin
Output.Set_Expected (To_Atom ("5:begin" & Latin_1.LF
& '(' & Latin_1.LF
& '(' & Latin_1.LF
& ')' & Latin_1.LF
& '(' & Latin_1.LF
& "4:head" & Latin_1.LF
& "4:tail" & Latin_1.LF
& ')' & Latin_1.LF
& ')' & Latin_1.LF
& "3:end"));
Pr.Set_Parameters (Param);
Test_Exp (Pr);
Check_Stream (Test, Output);
end;
exception
when Error : others => Test.Report_Exception (Error);
end Separators;
end Natools.S_Expressions.Printers.Pretty.Tests;