52 |
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private |
53 |
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procedure UpdateDatabase(Attachment: IAttachment); |
54 |
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procedure QueryDatabase(Attachment: IAttachment); |
55 |
+ |
procedure ValidateStrToNumeric; |
56 |
+ |
procedure ValidateNumericInterface; |
57 |
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public |
58 |
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function TestTitle: AnsiString; override; |
59 |
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procedure RunTest(CharSet: AnsiString; SQLDialect: integer); override; |
63 |
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|
64 |
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implementation |
65 |
|
|
66 |
+ |
uses FBNumeric, FmtBCD; |
67 |
+ |
|
68 |
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const |
69 |
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sqlCreateTable = |
70 |
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'Create Table TestData ('+ |
146 |
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except on E: Exception do |
147 |
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writeln(Outfile,'Expected Error - ',E.Message); |
148 |
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end; |
149 |
< |
|
149 |
> |
writeln(OutFile,'Test Numeric Type'); |
150 |
> |
with Statement.GetSQLParams do |
151 |
> |
begin |
152 |
> |
Clear; |
153 |
> |
Params[0].AsInteger := 7; |
154 |
> |
Params[1].AsNumeric := DoubleToNumeric(1.0); |
155 |
> |
Params[2].AsVariant := 1234567; |
156 |
> |
Params[3].AsNumeric := DoubleToNumeric(StrToFloat('2.3E-2')); |
157 |
> |
Params[4].AsNumeric := StrToNumeric('11e-4'); |
158 |
> |
Params[5].AsVariant := 1234.25; |
159 |
> |
end; |
160 |
> |
Statement.Execute; |
161 |
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end; |
162 |
|
|
163 |
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procedure TTest21.QueryDatabase(Attachment: IAttachment); |
169 |
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ReportResults(Statement); |
170 |
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end; |
171 |
|
|
172 |
+ |
procedure TTest21.ValidateStrToNumeric; |
173 |
+ |
const |
174 |
+ |
TestValues: array of string = ['1234.567','-765.4321','0.1','0.01','+123', |
175 |
+ |
'1.23456E308','-1.2e-02','10.','.12', '0.12', |
176 |
+ |
'1.2E1.2', '1,000', '1e1e1', '1.2+3']; {bad syntax} |
177 |
+ |
var |
178 |
+ |
i: integer; |
179 |
+ |
aValue: Int64; |
180 |
+ |
aScale: integer; |
181 |
+ |
begin |
182 |
+ |
for i := 0 to Length(TestValues) - 1 do |
183 |
+ |
begin |
184 |
+ |
if TryStrToNumeric(TestValues[i],aValue,aScale) then |
185 |
+ |
begin |
186 |
+ |
writeln(Outfile,TestValues[i],' parsed to ',aValue,' scale = ',aScale); |
187 |
+ |
writeln(Outfile,'As Float = ',NumericToDouble(aValue,aScale)); |
188 |
+ |
end |
189 |
+ |
else |
190 |
+ |
writeln(Outfile,'Parsing of ',TestValues[i],' failed'); |
191 |
+ |
end; |
192 |
+ |
end; |
193 |
+ |
|
194 |
+ |
procedure TTest21.ValidateNumericInterface; |
195 |
+ |
var numeric: IFBNumeric; |
196 |
+ |
begin |
197 |
+ |
writeln(Outfile,'Validating Numeric Interface - IFBNumeric'); |
198 |
+ |
numeric := CurrToNumeric(StrToCurr('9999.123456780')); |
199 |
+ |
writeln(Outfile,'Value from Currency = ',numeric.getAsString); |
200 |
+ |
writeln(Outfile,'Raw Value = ',numeric.getRawValue,' Scale = ',numeric.getScale); |
201 |
+ |
numeric := CurrToNumeric(StrToCurr('9999.123456780')).AdjustScaleTo(-2); |
202 |
+ |
writeln(Outfile,'Value from Currency(rescaled) = ',numeric.getAsString); |
203 |
+ |
writeln(Outfile,'Raw Value = ',numeric.getRawValue,' Scale = ',numeric.getScale); |
204 |
+ |
numeric := DoubleToNumeric(StrToFloat('9999.123456780')); |
205 |
+ |
writeln(Outfile,'Value from Double = ',numeric.getAsString); |
206 |
+ |
writeln(Outfile,'Raw Value = ',numeric.getRawValue,' Scale = ',numeric.getScale); |
207 |
+ |
numeric := IntToNumeric(StrToInt64('9223372036854775807')); |
208 |
+ |
writeln(Outfile,'Value from Integer = ',numeric.getAsString); |
209 |
+ |
writeln(Outfile,'Raw Value = ',numeric.getRawValue,' Scale = ',numeric.getScale); |
210 |
+ |
numeric := StrToNumeric('9223372036854775807'); |
211 |
+ |
writeln(Outfile,'Value from string = ',numeric.getAsString); |
212 |
+ |
writeln(Outfile,'Raw Value = ',numeric.getRawValue,' Scale = ',numeric.getScale); |
213 |
+ |
numeric := StrToNumeric('9999.123456780'); |
214 |
+ |
writeln(Outfile,'Value from string = ',numeric.getAsString); |
215 |
+ |
writeln(Outfile,'Raw Value = ',numeric.getRawValue,' Scale = ',numeric.getScale); |
216 |
+ |
numeric := StrToNumeric('-1.2e-02'); |
217 |
+ |
writeln(Outfile,'Value from string = ',numeric.getAsString); |
218 |
+ |
writeln(Outfile,'Raw Value = ',numeric.getRawValue,' Scale = ',numeric.getScale); |
219 |
+ |
try |
220 |
+ |
numeric := BCDToNumeric(StrToBCD('9999.123456780')); |
221 |
+ |
writeln(Outfile,'Value from BCD = ',numeric.getAsString); |
222 |
+ |
writeln(Outfile,'Raw Value = ',numeric.getRawValue,' Scale = ',numeric.getScale); |
223 |
+ |
except on E:Exception do |
224 |
+ |
writeln(OutFile,'Delphi has a problem with this number: ',E.Message); |
225 |
+ |
end; |
226 |
+ |
numeric := NumericFromRawValues(9999123456780,-6); |
227 |
+ |
writeln(Outfile,'Value from Raw Data = ',numeric.getAsString); |
228 |
+ |
writeln(Outfile,'Raw Value = ',numeric.getRawValue,' Scale = ',numeric.getScale); |
229 |
+ |
|
230 |
+ |
writeln(outfile,'Numeric Operations'); |
231 |
+ |
writeln(Outfile,'Add 2.23 + 24.12345 = ',NumericAdd(StrToNumeric('2.23'),StrToNumeric('24.12345')).GetAsString); |
232 |
+ |
writeln(Outfile,'Add Double 2.23 + 24.12645 = ',NumericAdd(StrToNumeric('2.23'),24.12645).GetAsString); |
233 |
+ |
writeln(Outfile,'Add integer 2.23 + 2412345 = ',NumericAdd(StrToNumeric('2.23'),2412345).GetAsString); |
234 |
+ |
writeln(Outfile,'Subtract 2.23 - 24.12345 = ',NumericSubtract(StrToNumeric('2.23'),StrToNumeric('24.12345')).GetAsString); |
235 |
+ |
writeln(Outfile,'Subtract Double 24.12645 - 2.23 = ',NumericSubtract(StrToNumeric('24.12645'),2.23).GetAsString); |
236 |
+ |
writeln(Outfile,'Subtract integer 24123.45 - 223 = ',NumericSubtract(StrToNumeric('24123.45'),223).GetAsString); |
237 |
+ |
writeln(Outfile,'Multiply 2.23 * 24.12345 = ',NumericMultiply(StrToNumeric('2.23'),StrToNumeric('24.12345')).GetAsString); |
238 |
+ |
writeln(Outfile,'Multiply Double 24.12645 * 2.23 = ',NumericMultiply(StrToNumeric('24.12645'),2.23).GetAsString); |
239 |
+ |
writeln(Outfile,'Multiply integer 241.2345 * 223 = ',NumericMultiply(StrToNumeric('241.2345'),223).GetAsString); |
240 |
+ |
writeln(Outfile,'Divide 24.12345 / 2.23 = ',NumericDivide(StrToNumeric('24.12345'),StrToNumeric('2.23')).GetAsString); |
241 |
+ |
writeln(Outfile,'Divide Double 2.23 / 24.12645 = ',NumericDivide(StrToNumeric('2.23'),24.12645).GetAsString); |
242 |
+ |
writeln(Outfile,'Divide integer 241.2345 / 223 = ',NumericDivide(StrToNumeric('241.2345'),223).GetAsString); |
243 |
+ |
writeln(Outfile,'Compare 2.23, -24.12345 = ',NumericCompare(StrToNumeric('2.23'),DoubleToNumeric(-24.12645))); |
244 |
+ |
writeln(Outfile,'Compare integer 2.23, 3 = ',NumericCompare(StrToNumeric('2.23'),3)); |
245 |
+ |
writeln(Outfile,'Compare Double 2.23, 2.23 = ',NumericCompare(StrToNumeric('2.23'),2.23)); |
246 |
+ |
writeln(Outfile,'Negate 24.12345 = ',NegateNumeric(StrToNumeric('24.12345')).GetAsString); |
247 |
+ |
end; |
248 |
+ |
|
249 |
|
function TTest21.TestTitle: AnsiString; |
250 |
|
begin |
251 |
|
Result := 'Test 21: Exercise setting and getting of numeric data types'; |
263 |
|
Attachment := FirebirdAPI.CreateDatabase(Owner.GetNewDatabaseName,DPB); |
264 |
|
try |
265 |
|
Attachment.ExecImmediate([isc_tpb_write,isc_tpb_wait,isc_tpb_consistency],sqlCreateTable); |
266 |
+ |
ValidateStrToNumeric; |
267 |
+ |
ValidateNumericInterface; |
268 |
|
SetFloatTemplate('#,###.00000000'); |
269 |
|
UpdateDatabase(Attachment); |
270 |
|
QueryDatabase(Attachment); |