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UJSONTests.pas
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{**********************************************************************}
{ }
{ "The contents of this file are subject to the Mozilla Public }
{ License Version 1.1 (the "License"); you may not use this }
{ file except in compliance with the License. You may obtain }
{ a copy of the License at http://www.mozilla.org/MPL/ }
{ }
{ Software distributed under the License is distributed on an }
{ "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express }
{ or implied. See the License for the specific language }
{ governing rights and limitations under the License. }
{ }
{ Eric Grange }
{ }
{**********************************************************************}
unit UJSONTests;
interface
uses
Classes, SysUtils, Math,
dwsXPlatformTests, dwsJSON, dwsXPlatform, dwsUtils, dwsJSONPath, dwsUnicode;
type
TdwsJSONTests = class (TTestCase)
protected
procedure JSONExtraComma;
procedure JSONInvalidChar;
procedure JSONInvalidUnicodeHexa;
procedure JSONInvalidEscaped;
procedure JSONInvalidStart;
procedure JSONInvalidTrue;
procedure JSONInvalidFalse;
procedure JSONInvalidNull;
procedure JSONInvalidNull2;
procedure JSONInvalidImmediate;
procedure JSONUnterminatedString;
procedure JSONInvalidNameValueSeparator;
procedure JSONInvalidNameValueEnding;
procedure JSONMissingElementValue;
procedure JSONWriterNoValue;
procedure JSONWriterNoName;
procedure JSONIntegerArrayBadStart;
procedure JSONIntegerArrayBadChar;
procedure JSONIntegerArrayBadComma;
procedure JSONIntegerArrayOverflow;
procedure JSONNumberArrayBadStart;
procedure JSONNumberArrayBadChar;
procedure JSONNumberArrayBadComma;
procedure JSONStringArrayEmpty;
procedure JSONStringArrayBadStart;
procedure JSONStringArrayBadChar;
procedure JSONStringArrayBadComma;
function CompareStringArray(v1, v2 : TdwsJSONValue) : Integer;
procedure JSONPathFailEmpty;
procedure JSONPathFailSyntax;
procedure JSONPathFailIndex;
procedure JSONPathFailIndexUnfinished;
procedure JSONPathFailProperty;
procedure JSONPathFailPropertyUnfinished;
procedure JSONPathFailDeepPropertyUnfinished;
published
procedure JSONTest;
procedure ParseJSON;
procedure AccessJSON;
procedure JSONUnicodeLiteral;
procedure JSONCRLF;
procedure JSONQuote;
procedure UndefinedJSON;
procedure JSONEmptyObject;
procedure JSONEmptyArray;
procedure JSONSpecialChars;
procedure JSONLongNumber;
procedure JSONInvalidNumbers;
procedure JSONInvalidStuff;
procedure JSONParseArrayInvalid;
procedure JSONParseArrayLarge;
procedure JSONParseIntegerArray;
procedure JSONParseNumberArray;
procedure NestedArrays;
procedure MultipleElementsWithSameName;
procedure SetItemTest;
procedure SubItemFree;
procedure ISO8601Test;
procedure DeleteAdd;
procedure WriterErrors;
procedure ArrayTest;
procedure DefaultValues;
procedure RepositionInArray;
procedure CloneAndDetach;
procedure SortArray;
procedure EnumerateNil;
procedure EnumerateArray;
procedure ImmediateCasts;
procedure DecimalSeparator;
procedure ParserStateLocation;
procedure JSONPathBasic;
procedure JSONPathObjectArray;
procedure JSONPathFails;
procedure JSON5_WriteNaNs;
procedure JSON5_ReadNaNs;
procedure WriteVariants;
procedure StoreToStream;
end;
// ------------------------------------------------------------------
// ------------------------------------------------------------------
// ------------------------------------------------------------------
implementation
// ------------------------------------------------------------------
// ------------------------------------------------------------------
// ------------------------------------------------------------------
uses System.Variants;
const
cJSONbooks =
'{ "books" : ['
+ '{ "id" : 1, "title" : "Clean Code", "author" : { "name" : "Robert C. Martin" }, "price" : 17.96 },'
+ '{ "id" : 2, "title" : "Maintainable JavaScript", "author" : { "name" : "Nicholas C. Zakas" }, "price" : 10 },'
+ '{ "id" : 3, "title" : "JavaScript: The Good Parts", "author" : { "name" : "Douglas Crockford" }, "price" : 15.67 }'
+ '], "nums" : {"1" : "one", "2" : "two", "3" : 3 },'
+ '"leaf" : [11, 22]'
+ ' }';
// ------------------
// ------------------ TdwsJSONTests ------------------
// ------------------
// JSONTest
//
procedure TdwsJSONTests.JSONTest;
var
json : TdwsJSONObject;
begin
json:=TdwsJSONObject.Create;
CheckEquals('{}', json.ToUnicodeString);
CheckEquals('{ }', json.ToBeautifiedString(0, 3));
json.AddValue('hello').AsString:='world';
CheckEquals('{"hello":"world"}', json.ToUnicodeString);
CheckEquals('{'#13#10#9'"hello" : "world"'#13#10'}', json.ToBeautifiedString(0, 1));
with json.AddArray('items') do begin
AddValue;
AddValue.AsNumber:=12.3;
AddValue.AsBoolean:=True;
AddValue.AsBoolean:=False;
AddValue.IsNull:=True;
end;
CheckEquals('{"hello":"world","items":[null,12.3,true,false,null]}', json.ToUnicodeString);
CheckEquals( '{'#13#10
+#9'"hello" : "world",'#13#10
+#9'"items" : ['#13#10
+#9#9'null,'#13#10
+#9#9'12.3,'#13#10
+#9#9'true,'#13#10
+#9#9'false,'#13#10
+#9#9'null'#13#10
+#9']'#13#10
+'}', json.ToBeautifiedString(0, 1));
json.Free;
end;
// ParseJSON
//
procedure TdwsJSONTests.ParseJSON;
var
json : TdwsJSONValue;
sl : TStringList;
buf : String;
begin
json:=TdwsJSONValue.ParseString('"hello"');
CheckEquals(TdwsJSONImmediate.ClassName, json.ClassName, '"hello"');
CheckEquals('"hello"', json.ToUnicodeString, '"hello"');
json.Free;
json:=TdwsJSONValue.ParseString('{"hello":"world","abc":123}');
CheckEquals(TdwsJSONObject.ClassName, json.ClassName, '"hello"');
CheckEquals('{"hello":"world","abc":123}', json.ToUnicodeString, '"hello"');
json.Free;
sl:=TStringList.Create;
try
sl.LoadFromFile(ExtractFilePath(ParamStr(0))+'\Data\json.txt');
json:=TdwsJSONValue.ParseString(sl.Text);
CheckEquals(TdwsJSONObject.ClassName, json.ClassName, 'json.txt');
CheckEquals(1, json.ElementCount, 'json.txt');
CheckEquals(3, json.Elements[0].ElementCount, 'json.txt');
CheckEquals('"templates"', json[0]['servlet'][0]['init-param']['templatePath'].ToUnicodeString, 'json.txt');
CheckEquals('', json['doh'][5]['bug'].ToUnicodeString, 'json.txt');
json.Free;
finally
sl.Free;
end;
buf:=LoadTextFromFile(ExtractFilePath(ParamStr(0))+'\Data\json2.txt');
json:=TdwsJSONValue.ParseString(buf);
try
CheckEquals(TdwsJSONArray.ClassName, json.ClassName, 'json2.txt');
CheckEquals(1, json.ElementCount, 'json2.txt a');
CheckEquals(1, json.Elements[0].ElementCount, 'json2.txt b');
CheckEquals(buf, json.ToUnicodeString, 'json2.txt');
finally
json.Free;
end;
end;
// AccessJSON
//
procedure TdwsJSONTests.AccessJSON;
const
jsonData = '{"Result":[{"Links":[{"UrlTo":"http://atomos.com/ninja/","Anchor":"Manufacturer info",'
+'"Type":"Text","Flag":[]}],"Index":1,"Rating":2.035556,"Visited":1330236394,"UrlFrom":'
+'"http://anthonywrites.posterous.com/","IpFrom":"184.106.20.99","Title":"Anthony Agius - Home"},'
+'{"Links":[{"UrlTo":"http://atomos.com/samurai/","Type":"Redirect","HttpCode":302,"Flag":[]}],'
+'"Index":2,"Rating":0.941064,"Visited":1329500858,"UrlFrom":"http://theeditman.com/blogg/ct.ashx'
+'?id=13592790-3605-42fd-9308-73c79199d1eb&url=http%3A%2F%2Fatomos.com%2Fsamurai%2F","IpFrom":'
+'"64.202.163.118","Title":""},{"Links":[{"UrlTo":"http://atomos.com/ninja/","Anchor":"","Type":'
+'"Text","Flag":["img"],"Alt":""}],"Index":3,"Rating":0.925152,"Visited":1329902294,"UrlFrom":'
+'"http://www.lafcpug.org/events/supermeet_sf_2012.html","IpFrom":"64.93.81.159","Title":'
+'"The Eleventh Annual San Francisco SuperMeet"},{"Links":[{"UrlTo":"http://atomos.com/",'
+'"Type":"Redirect","HttpCode":302,"Flag":[]}],"Index":4,"Rating":0.915592,"Visited":1330795307,'
+'"UrlFrom":"http://tienda.vantec.es/redirect.php?action=manufacturer&manufacturers_id=39",'
+'"IpFrom":"194.79.85.30","Title":""}]}';
var
json : TdwsJSONValue;
result : TdwsJSONValue;
begin
json:=TdwsJSONValue.ParseString(jsonData);
try
result:=json.Items['Result'];
Check(result<>nil, 'Result is present');
CheckEquals(4, result.ElementCount, '4 Entries');
CheckEquals('http://theeditman.com/blogg/ct.ashx?id=13592790-3605-42fd-9308-73c79199d1eb&url=http%3A%2F%2Fatomos.com%2Fsamurai%2F',
result[1]['UrlFrom'].Value.AsString, 'long url');
finally
json.Free;
end;
end;
// JSONUnicodeLiteral
//
procedure TdwsJSONTests.JSONUnicodeLiteral;
var
json : TdwsJSONValue;
begin
json:=TdwsJSONValue.ParseString('"\u044F\u00aA"');
CheckEquals(TdwsJSONImmediate.ClassName, json.ClassName, 'TdwsJSONImmediate');
{$ifdef FPC}
CheckEquals(UTF8Encode(WideChar($44f)+WideChar($aa)), TdwsJSONImmediate(json).AsString, 'unicode');
{$else}
CheckEquals(WideChar($44f)+WideChar($aa), TdwsJSONImmediate(json).AsString, 'unicode');
{$endif}
json.Free;
json:=TdwsJSONObject.Create;
TdwsJSONObject(json).AddValue('test', #$1234#$ABCD);
CheckEquals('{"test":"\u1234\uABCD"}', json.ToUnicodeString, 'encode');
json.Free;
end;
// JSONCRLF
//
procedure TdwsJSONTests.JSONCRLF;
var
json1, json2 : TdwsJSONValue;
begin
json1:=TdwsJSONValue.ParseString('{"Value": []}');
json2:=TdwsJSONValue.ParseString( '{'#13#10
+#9'"Value": ['#13#10
+#9']'#13#10
+'}');
CheckEquals('{"Value":[]}', json1.ToUnicodeString, 'Roundtrip');
CheckEquals(json1.ToUnicodeString, json2.ToUnicodeString, 'Json1 vs Json2');
json1.Free;
json2.Free;
end;
// JSONQuote
//
procedure TdwsJSONTests.JSONQuote;
var
json : TdwsJSONValue;
begin
json:=TdwsJSONValue.ParseString('{"Value":"\""}');
CheckEquals('"', json['Value'].Value.AsString, 'parse');
CheckEquals('{"Value":"\""}', json.ToUnicodeString, 'roundtrip');
json.Free;
end;
// UndefinedJSON
//
procedure TdwsJSONTests.UndefinedJSON;
var
json : TdwsJSONValue;
begin
json:=TdwsJSONValue.ParseString('{"hello":123}');
Check(json['hello'].ValueType=jvtNumber, 'check hello value type');
Check(json['missing'].ValueType=jvtUndefined, 'check missing value type');
Check(json['missing'][2].ValueType=jvtUndefined, 'check missing[2] value type');
json.Free;
end;
// JSONExtraComma
//
procedure TdwsJSONTests.JSONExtraComma;
var
json : TdwsJSONValue;
begin
json:=TdwsJSONValue.ParseString('{"a":1,}');
json.Free;
end;
// JSONInvalidChar
//
procedure TdwsJSONTests.JSONInvalidChar;
var
json : TdwsJSONValue;
begin
json:=TdwsJSONValue.ParseString('{"a":"abc'#25'def"}');
json.Free;
end;
// JSONInvalidUnicodeHexa
//
procedure TdwsJSONTests.JSONInvalidUnicodeHexa;
var
json : TdwsJSONValue;
begin
json:=TdwsJSONValue.ParseString('{"a":"\u0z"}');
json.Free;
end;
// JSONInvalidEscaped
//
procedure TdwsJSONTests.JSONInvalidEscaped;
var
json : TdwsJSONValue;
begin
json:=TdwsJSONValue.ParseString('{"a":"\z"}');
json.Free;
end;
// JSONInvalidStart
//
procedure TdwsJSONTests.JSONInvalidStart;
var
json : TdwsJSONValue;
begin
json:=TdwsJSONValue.ParseString('z');
json.Free;
end;
// JSONInvalidTrue
//
procedure TdwsJSONTests.JSONInvalidTrue;
begin
TdwsJSONValue.ParseString('{"v":tru}');
end;
// JSONInvalidFalse
//
procedure TdwsJSONTests.JSONInvalidFalse;
begin
TdwsJSONValue.ParseString('{"v":falze}');
end;
// JSONInvalidNull
//
procedure TdwsJSONTests.JSONInvalidNull;
begin
TdwsJSONValue.ParseString('{"v":nul');
end;
// JSONInvalidNull2
//
procedure TdwsJSONTests.JSONInvalidNull2;
begin
TdwsJSONValue.ParseString('{"v":nulz');
end;
// JSONInvalidImmediate
//
procedure TdwsJSONTests.JSONInvalidImmediate;
begin
TdwsJSONValue.ParseString('{"v":bug}');
end;
// JSONUnterminatedString
//
procedure TdwsJSONTests.JSONUnterminatedString;
begin
TdwsJSONValue.ParseString('"bug');
end;
// JSONInvalidNameValueSeparator
//
procedure TdwsJSONTests.JSONInvalidNameValueSeparator;
begin
TdwsJSONValue.ParseString('{"n" bug');
end;
// JSONInvalidNameValueEnding
//
procedure TdwsJSONTests.JSONInvalidNameValueEnding;
begin
TdwsJSONValue.ParseString('{"n":"bug"');
end;
// JSONMissingElementValue
//
procedure TdwsJSONTests.JSONMissingElementValue;
begin
TdwsJSONValue.ParseString('{"v":}');
end;
// JSONWriterNoValue
//
procedure TdwsJSONTests.JSONWriterNoValue;
var
wr : TdwsJSONWriter;
begin
wr:=TdwsJSONWriter.Create(nil);
try
wr.BeginObject;
wr.WriteName('Test');
wr.EndObject;
finally
wr.Free;
end;
end;
// JSONWriterNoName
//
procedure TdwsJSONTests.JSONWriterNoName;
var
wr : TdwsJSONWriter;
begin
wr:=TdwsJSONWriter.Create(nil);
try
wr.BeginObject;
wr.WriteInteger(123);
wr.EndObject;
finally
wr.Free;
end;
end;
// JSONIntegerArrayBadStart
//
procedure TdwsJSONTests.JSONIntegerArrayBadStart;
var
state : TdwsJSONParserState;
begin
state := TdwsJSONParserState.Create(' bug');
try
state.ParseIntegerArray(nil);
finally
state.Free;
end;
end;
// JSONIntegerArrayBadChar
//
procedure TdwsJSONTests.JSONIntegerArrayBadChar;
var
state : TdwsJSONParserState;
begin
state := TdwsJSONParserState.Create('[bug');
try
state.ParseIntegerArray(nil);
finally
state.Free;
end;
end;
// JSONIntegerArrayBadComma
//
procedure TdwsJSONTests.JSONIntegerArrayBadComma;
var
state : TdwsJSONParserState;
dest : TSimpleInt64List;
begin
state := TdwsJSONParserState.Create('[1,2 bug');
dest := TSimpleInt64List.Create;
try
state.ParseIntegerArray(dest);
finally
dest.Free;
state.Free;
end;
end;
// JSONIntegerArrayOverflow
//
procedure TdwsJSONTests.JSONIntegerArrayOverflow;
var
state : TdwsJSONParserState;
dest : TSimpleInt64List;
begin
state := TdwsJSONParserState.Create('[123456789123456789123456789]');
dest := TSimpleInt64List.Create;
try
state.ParseIntegerArray(dest);
finally
dest.Free;
state.Free;
end;
end;
// JSONNumberArrayBadStart
//
procedure TdwsJSONTests.JSONNumberArrayBadStart;
var
state : TdwsJSONParserState;
begin
state := TdwsJSONParserState.Create(' bug');
try
state.ParseNumberArray(nil);
finally
state.Free;
end;
end;
// JSONNumberArrayBadChar
//
procedure TdwsJSONTests.JSONNumberArrayBadChar;
var
state : TdwsJSONParserState;
begin
state := TdwsJSONParserState.Create('[bug');
try
state.ParseNumberArray(nil);
finally
state.Free;
end;
end;
// JSONNumberArrayBadComma
//
procedure TdwsJSONTests.JSONNumberArrayBadComma;
var
state : TdwsJSONParserState;
dest : TSimpleDoubleList;
begin
state := TdwsJSONParserState.Create('[1,2 bug');
dest := TSimpleDoubleList.Create;
try
state.ParseNumberArray(dest);
finally
dest.Free;
state.Free;
end;
end;
// JSONStringArrayEmpty
//
procedure TdwsJSONTests.JSONStringArrayEmpty;
var
state : TdwsJSONParserState;
begin
state := TdwsJSONParserState.Create('');
try
state.ParseStringArray(nil);
finally
state.Free;
end;
end;
// JSONStringArrayBadStart
//
procedure TdwsJSONTests.JSONStringArrayBadStart;
var
state : TdwsJSONParserState;
begin
state := TdwsJSONParserState.Create(' bug');
try
state.ParseStringArray(nil);
finally
state.Free;
end;
end;
// JSONStringArrayBadChar
//
procedure TdwsJSONTests.JSONStringArrayBadChar;
var
state : TdwsJSONParserState;
begin
state := TdwsJSONParserState.Create('[bug');
try
state.ParseStringArray(nil);
finally
state.Free;
end;
end;
// JSONStringArrayBadComma
//
procedure TdwsJSONTests.JSONStringArrayBadComma;
var
state : TdwsJSONParserState;
dest : TUnicodeStringList;
begin
state := TdwsJSONParserState.Create('["1","2" bug');
dest := TUnicodeStringList.Create;
try
state.ParseStringArray(dest);
finally
dest.Free;
state.Free;
end;
end;
// ParserStateLocation
//
procedure TdwsJSONTests.ParserStateLocation;
var
state : TdwsJSONParserState;
begin
state := TdwsJSONParserState.Create('[1,'#10#9' "hello"]');
try
CheckEquals('line 1, col 0', state.Location);
CheckEquals('[', state.NeedChar);
CheckEquals('line 1, col 1', state.Location);
CheckEquals('1', state.NeedChar);
CheckEquals(',', state.NeedChar);
CheckEquals('line 1, col 3', state.Location);
CheckEquals('"', state.SkipBlanks(' '));
CheckEquals('line 2, col 4 (offset 7)', state.Location);
finally
state.Free;
end;
end;
// CompareStringArray
//
function TdwsJSONTests.CompareStringArray(v1, v2 : TdwsJSONValue) : Integer;
begin
Result:=UnicodeCompareText(v1.AsString, v2.AsString);
end;
// JSONPathFailEmpty
//
procedure TdwsJSONTests.JSONPathFailEmpty;
begin
TdwsJSONPathQuery.Create('');
end;
// JSONPathFailSyntax
//
procedure TdwsJSONTests.JSONPathFailSyntax;
begin
TdwsJSONPathQuery.Create('!');
end;
// JSONPathFailIndex
//
procedure TdwsJSONTests.JSONPathFailIndex;
begin
TdwsJSONPathQuery.Create('.bug[=]');
end;
// JSONPathFailIndexUnfinished
//
procedure TdwsJSONTests.JSONPathFailIndexUnfinished;
begin
TdwsJSONPathQuery.Create('.bug[ 1 ');
end;
// JSONPathFailProperty
//
procedure TdwsJSONTests.JSONPathFailProperty;
begin
TdwsJSONPathQuery.Create('.=');
end;
// JSONPathFailPropertyUnfinished
//
procedure TdwsJSONTests.JSONPathFailPropertyUnfinished;
begin
TdwsJSONPathQuery.Create('.');
end;
// JSONPathFailDeepPropertyUnfinished
//
procedure TdwsJSONTests.JSONPathFailDeepPropertyUnfinished;
begin
TdwsJSONPathQuery.Create('..');
end;
// JSONEmptyObject
//
procedure TdwsJSONTests.JSONEmptyObject;
var
json : TdwsJSONValue;
begin
json:=TdwsJSONValue.ParseString('{"empty":{}}');
Check(json['empty'].ValueType=jvtObject, 'check empty value type');
CheckEquals(0, json['empty'].ElementCount, 'check empty element count');
json.Free;
CheckException(JSONExtraComma, EdwsJSONParseError, 'extra comma');
end;
// JSONEmptyArray
//
procedure TdwsJSONTests.JSONEmptyArray;
var
json : TdwsJSONValue;
begin
json:=TdwsJSONValue.ParseString('{"empty":[],"nested":[[]]}');
Check(json['empty'].ValueType=jvtArray, 'check empty value type');
CheckEquals(0, json['empty'].ElementCount, 'check empty element count');
Check(json['nested'].ValueType=jvtArray, 'check nested value type');
CheckEquals(1, json['nested'].ElementCount, 'check empty element count');
CheckEquals('{"empty":[],"nested":[[]]}', json.ToUnicodeString, 'roundtrip');
try
(json['empty'] as TdwsJSONArray).Swap(0, 1);
except
on E: Exception do
CheckEquals(E.ClassType, EdwsJSONIndexOutOfRange, 'Empty array swap');
end;
json.Free;
CheckException(JSONExtraComma, EdwsJSONParseError, 'extra comma');
end;
// JSONSpecialChars
//
procedure TdwsJSONTests.JSONSpecialChars;
var
json : TdwsJSONValue;
begin
json:=TdwsJSONValue.ParseString('{"test":"\t\n\r\b\f\\"}');
CheckEquals(#9#10#13#8#12'\', json['test'].Value.AsString, 'specials check');
CheckEquals('"\t\n\r\b\f\\"', json['test'].ToUnicodeString, 'specials toString');
json['test'].Value.AsString:=#25#0'ok';
CheckEquals('"\u0019\u0000ok"', json['test'].ToUnicodeString, 'very specials');
json['test'].Value.AsString := '</script>';
CheckEquals('"<\/script>"', json['test'].ToUnicodeString, 'xss protection');
json.Free;
end;
// JSONLongNumber
//
procedure TdwsJSONTests.JSONLongNumber;
const
c1e64 : Double = 1e64;
var
json : TdwsJSONValue;
begin
json:=TdwsJSONValue.ParseString(
'{'
+ '"test":1'+StringOfChar('0', 64)
+ ',"test2":' + StringOfChar('0', 64) + '2e1'
+ '}'
);
CheckEquals(c1e64, json['test'].Value.AsNumber, 'specials 1e64');
CheckEquals(20, json['test2'].Value.AsNumber, 'specials 000..02e1');
FreeAndNil(json);
try
TdwsJSONValue.ParseString(StringOfChar('0', 64) + 'ee');
except
on E : Exception do
CheckEquals(EdwsJSONParseError, E.ClassType, 'Invalid number');
end;
end;
// JSONInvalidNumbers
//
procedure TdwsJSONTests.JSONInvalidNumbers;
procedure CheckFailure(const s : String);
begin
try
TdwsJSONValue.ParseString(s);
Check(False, s + ' should have faled');
except
on E : Exception do
CheckEquals(EdwsJSONParseError, E.ClassType, 'Invalid Exception for ' + s);
end;
end;
begin
CheckFailure('0ee');
CheckFailure('Inn');
CheckFailure('-Infin');
CheckFailure('0...0');
CheckFailure('NaZ');
end;
// JSONInvalidStuff
//
procedure TdwsJSONTests.JSONInvalidStuff;
begin
CheckException(JSONInvalidChar, EdwsJSONParseError, '#25 char');
CheckException(JSONInvalidUnicodeHexa, EdwsJSONParseError, 'unicode');
CheckException(JSONInvalidEscaped, EdwsJSONParseError, 'escaped');
CheckException(JSONInvalidStart, EdwsJSONParseError, 'start');
CheckException(JSONInvalidTrue, EdwsJSONParseError, 'true');
CheckException(JSONInvalidFalse, EdwsJSONParseError, 'false');
CheckException(JSONInvalidNull, EdwsJSONParseError, 'null');
CheckException(JSONInvalidNull2, EdwsJSONParseError, 'null2');
CheckException(JSONInvalidImmediate, EdwsJSONParseError, 'immediate');
CheckException(JSONUnterminatedString, EdwsJSONParseError, 'unterminated');
CheckException(JSONInvalidNameValueSeparator, EdwsJSONParseError, 'separator');
CheckException(JSONInvalidNameValueEnding, EdwsJSONParseError, 'ending');
CheckException(JSONMissingElementValue, EdwsJSONParseError, 'missing element value');
end;
// JSONParseArrayInvalid
//
procedure TdwsJSONTests.JSONParseArrayInvalid;
begin
CheckException(JSONIntegerArrayBadStart, EdwsJSONParseError, 'bad start i');
CheckException(JSONIntegerArrayBadChar, EdwsJSONParseError, 'bad char i');
CheckException(JSONIntegerArrayBadComma, EdwsJSONParseError, 'bad comma i');
CheckException(JSONIntegerArrayOverflow, EdwsJSONParseError, 'overflow i');
CheckException(JSONNumberArrayBadStart, EdwsJSONParseError, 'bad start n');
CheckException(JSONNumberArrayBadChar, EdwsJSONParseError, 'bad char n');
CheckException(JSONNumberArrayBadComma, EdwsJSONParseError, 'bad comma n');
CheckException(JSONStringArrayEmpty, EdwsJSONParseError, 'empty s');
CheckException(JSONStringArrayBadStart, EdwsJSONParseError, 'bad start s');
CheckException(JSONStringArrayBadChar, EdwsJSONParseError, 'bad char s');
CheckException(JSONStringArrayBadComma, EdwsJSONParseError, 'bad comma s');
end;
// JSONParseArrayLarge
//
procedure TdwsJSONTests.JSONParseArrayLarge;
var
i : Integer;
s, buf : UnicodeString;
state : TdwsJSONParserState;
list : TUnicodeStringList;
begin
s := '[""';
buf := 'a';
for i := 1 to 128 do begin
s := s + ',"' + buf + '"';
buf := buf + 'a';
end;
list := TUnicodeStringList.Create;
state := TdwsJSONParserState.Create(s + ']');
try
state.ParseStringArray(list);
CheckEquals(129, list.Count);
for i := 0 to list.Count-1 do
CheckEquals(i, Length(list[i]));
finally
state.Free;
list.Free;
end;
end;
// JSONParseIntegerArray
//
procedure TdwsJSONTests.JSONParseIntegerArray;
var
state : TdwsJSONParserState;
list : TSimpleInt64List;
begin
list := TSimpleInt64List.Create;
state := TdwsJSONParserState.Create('[ -1, 2,3 , -4 ]');
try
state.ParseIntegerArray(list);
CheckEquals(4, list.Count);
CheckEquals(-1, list[0]);
CheckEquals( 2, list[1]);
CheckEquals( 3, list[2]);
CheckEquals(-4, list[3]);
finally
state.Free;
list.Free;
end;
end;
// JSONParseNumberArray
//
procedure TdwsJSONTests.JSONParseNumberArray;
var
state : TdwsJSONParserState;
list : TSimpleDoubleList;
begin
list := TSimpleDoubleList.Create;
state := TdwsJSONParserState.Create('[0,0.5,1e1,1234567890123456789,-1e-1]');
try
state.ParseNumberArray(list);
CheckEquals(5, list.Count);
CheckEquals( 0, list[0]);
CheckEquals(0.5, list[1]);
CheckEquals( 10, list[2]);
Check(Abs(1234567890123456789 - list[3]) < 100, 'Big num');
Check(Abs(list[4] + 0.1) < 1e-12, '-0.1');
finally
state.Free;
list.Free;
end;
end;
// NestedArrays
//
procedure TdwsJSONTests.NestedArrays;
var
a : TdwsJSONArray;
begin
a:=TdwsJSONArray.Create;
try
a.Add(TdwsJSONArray.Create);
a.AddArray;
CheckEquals('[[],[]]', a.ToUnicodeString);
finally
a.Free;
end;
end;
// MultipleElementsWithSameName
//
procedure TdwsJSONTests.MultipleElementsWithSameName;
const
cAlternatives : array [1..8] of String = (
'1', 'true', 'null', '"a"',
'{"b":2}', '[1,2]',
'{"b":[1,2]}', '[{"b":1}]'
);
var
i, j : Integer;
json : TdwsJSONValue;
begin
for i:=Low(cAlternatives) to High(cAlternatives) do begin
for j:=Low(cAlternatives) to High(cAlternatives) do begin
json:=TdwsJSONValue.ParseString('{"a":'+cAlternatives[i]+',"a":'+cAlternatives[j]+'}', jdoOverwrite);
try
CheckEquals('{"a":'+cAlternatives[j]+'}', json.ToUnicodeString);
finally
json.Free;
end;
end;
end;
end;
// SetItemTest
//
procedure TdwsJSONTests.SetItemTest;
var
json : TdwsJSONValue;
begin
json:=TdwsJSONValue.ParseString('{"hello":1,"world":{}}');
json.Items['hello']:=TdwsJSONValue.ParseString('[1, 2]');
CheckEquals('{"hello":[1,2],"world":{}}', json.ToUnicodeString, 'replace 1 with [1,2]');
json.Items['world']:=TdwsJSONImmediate.FromVariant(3);
CheckEquals('{"hello":[1,2],"world":3}', json.ToUnicodeString, 'replace {} with 3');
json.Items['world']:=nil;
CheckEquals('{"hello":[1,2]}', json.ToUnicodeString, 'delete world');
json.Items['hello'].Items['1']:=nil;
CheckEquals('{"hello":[1]}', json.ToUnicodeString, 'delete 2');