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RadiokotRadiokot
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Add unsigned number generator test
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‎cbor/src/test/java/com/fasterxml/jackson/dataformat/cbor/gen/GeneratorSimpleTest.java

Lines changed: 210 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -1,17 +1,16 @@
11
package com.fasterxml.jackson.dataformat.cbor.gen;
22

3+
import com.fasterxml.jackson.core.JsonGenerationException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.dataformat.cbor.*;
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import org.junit.jupiter.api.Test;
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38
import java.io.ByteArrayOutputStream;
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import java.math.BigDecimal;
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import java.math.BigInteger;
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import java.util.LinkedHashMap;
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import java.util.Map;
813

9-
import org.junit.jupiter.api.Test;
10-
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import com.fasterxml.jackson.core.JsonGenerationException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.dataformat.cbor.*;
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1514
import static org.junit.jupiter.api.Assertions.*;
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1716
public class GeneratorSimpleTest extends CBORTestBase
@@ -181,6 +180,98 @@ public void testIntValues() throws Exception
181180
(byte) 0x7F, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF);
182181
}
183182

183+
@Test
184+
public void testUnsignedIntValues() throws Exception
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{
186+
// uint32 max
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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CBORGenerator gen = cborGenerator(out);
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gen.writeNumberUnsigned(-1);
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gen.close();
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_verifyBytes(out.toByteArray(),
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(byte) (CBORConstants.PREFIX_TYPE_INT_POS + CBORConstants.SUFFIX_UINT32_ELEMENTS),
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(byte) 0xFF,
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(byte) 0xFF,
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(byte) 0xFF,
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(byte) 0xFF);
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// Min int
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out = new ByteArrayOutputStream();
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gen = cborGenerator(out);
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gen.writeNumberUnsigned(Integer.MIN_VALUE);
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gen.close();
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_verifyBytes(out.toByteArray(),
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(byte) (CBORConstants.PREFIX_TYPE_INT_POS + CBORConstants.SUFFIX_UINT32_ELEMENTS),
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(byte) 0x80,
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(byte) 0x00,
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(byte) 0x00,
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(byte) 0x00);
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210+
// Truncated to 2 bytes
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out = new ByteArrayOutputStream();
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gen = cborGenerator(out);
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gen.writeNumberUnsigned(1000);
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gen.close();
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_verifyBytes(out.toByteArray(),
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(byte) (CBORConstants.PREFIX_TYPE_INT_POS + CBORConstants.SUFFIX_UINT16_ELEMENTS),
217+
(byte) 0x03,
218+
(byte) 0xE8);
219+
220+
// Truncated to 1 byte
221+
out = new ByteArrayOutputStream();
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gen = cborGenerator(out);
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gen.writeNumberUnsigned(100);
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gen.close();
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_verifyBytes(out.toByteArray(),
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(byte) (CBORConstants.PREFIX_TYPE_INT_POS + CBORConstants.SUFFIX_UINT8_ELEMENTS),
227+
(byte) 0x64);
228+
229+
out = new ByteArrayOutputStream();
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gen = cborGenerator(out);
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gen.writeNumberUnsigned(25);
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gen.close();
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_verifyBytes(out.toByteArray(),
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(byte) (CBORConstants.PREFIX_TYPE_INT_POS + CBORConstants.SUFFIX_UINT8_ELEMENTS),
235+
(byte) 0x19);
236+
237+
out = new ByteArrayOutputStream();
238+
gen = cborGenerator(out);
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gen.writeNumberUnsigned(24);
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gen.close();
241+
_verifyBytes(out.toByteArray(),
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(byte) (CBORConstants.PREFIX_TYPE_INT_POS + CBORConstants.SUFFIX_UINT8_ELEMENTS),
243+
(byte) 0x18);
244+
245+
// Truncated to not take any extra bytes
246+
out = new ByteArrayOutputStream();
247+
gen = cborGenerator(out);
248+
gen.writeNumberUnsigned(23);
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gen.close();
250+
_verifyBytes(out.toByteArray(),
251+
(byte) 0x17);
252+
253+
out = new ByteArrayOutputStream();
254+
gen = cborGenerator(out);
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gen.writeNumberUnsigned(10);
256+
gen.close();
257+
_verifyBytes(out.toByteArray(),
258+
(byte) 0x0A);
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out = new ByteArrayOutputStream();
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gen = cborGenerator(out);
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gen.writeNumberUnsigned(1);
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gen.close();
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_verifyBytes(out.toByteArray(),
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(byte) 0x01);
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267+
out = new ByteArrayOutputStream();
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gen = cborGenerator(out);
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gen.writeNumberUnsigned(0);
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gen.close();
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_verifyBytes(out.toByteArray(),
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(byte) 0x00);
273+
}
274+
184275
@Test
185276
public void testLongValues() throws Exception
186277
{
@@ -201,6 +292,119 @@ public void testLongValues() throws Exception
201292
assertEquals(0, b[3]);
202293
}
203294

295+
@Test
296+
public void testUnsignedLongValues() throws Exception
297+
{
298+
ByteArrayOutputStream out = new ByteArrayOutputStream();
299+
CBORGenerator gen = cborGenerator(out);
300+
301+
// uint64 max
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gen.writeNumberUnsigned(-1L);
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gen.close();
304+
_verifyBytes(out.toByteArray(),
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(byte) (CBORConstants.PREFIX_TYPE_INT_POS + CBORConstants.SUFFIX_UINT64_ELEMENTS),
306+
(byte) 0xFF,
307+
(byte) 0xFF,
308+
(byte) 0xFF,
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(byte) 0xFF,
310+
(byte) 0xFF,
311+
(byte) 0xFF,
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(byte) 0xFF,
313+
(byte) 0xFF);
314+
315+
// Min long
316+
out = new ByteArrayOutputStream();
317+
gen = cborGenerator(out);
318+
gen.writeNumberUnsigned(Long.MIN_VALUE);
319+
gen.close();
320+
_verifyBytes(out.toByteArray(),
321+
(byte) (CBORConstants.PREFIX_TYPE_INT_POS + CBORConstants.SUFFIX_UINT64_ELEMENTS),
322+
(byte) 0x80,
323+
(byte) 0x00,
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(byte) 0x00,
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(byte) 0x00,
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(byte) 0x00,
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(byte) 0x00,
328+
(byte) 0x00,
329+
(byte) 0x00);
330+
331+
// Truncated to 4 bytes
332+
out = new ByteArrayOutputStream();
333+
gen = cborGenerator(out);
334+
gen.writeNumberUnsigned(1000000L);
335+
gen.close();
336+
_verifyBytes(out.toByteArray(),
337+
(byte) (CBORConstants.PREFIX_TYPE_INT_POS + CBORConstants.SUFFIX_UINT32_ELEMENTS),
338+
(byte) 0x00,
339+
(byte) 0x0F,
340+
(byte) 0x42,
341+
(byte) 0x40);
342+
343+
// Truncated to 2 bytes
344+
out = new ByteArrayOutputStream();
345+
gen = cborGenerator(out);
346+
gen.writeNumberUnsigned(1000L);
347+
gen.close();
348+
_verifyBytes(out.toByteArray(),
349+
(byte) (CBORConstants.PREFIX_TYPE_INT_POS + CBORConstants.SUFFIX_UINT16_ELEMENTS),
350+
(byte) 0x03,
351+
(byte) 0xE8);
352+
353+
// Truncated to 1 byte
354+
out = new ByteArrayOutputStream();
355+
gen = cborGenerator(out);
356+
gen.writeNumberUnsigned(100L);
357+
gen.close();
358+
_verifyBytes(out.toByteArray(),
359+
(byte) (CBORConstants.PREFIX_TYPE_INT_POS + CBORConstants.SUFFIX_UINT8_ELEMENTS),
360+
(byte) 0x64);
361+
362+
out = new ByteArrayOutputStream();
363+
gen = cborGenerator(out);
364+
gen.writeNumberUnsigned(25L);
365+
gen.close();
366+
_verifyBytes(out.toByteArray(),
367+
(byte) (CBORConstants.PREFIX_TYPE_INT_POS + CBORConstants.SUFFIX_UINT8_ELEMENTS),
368+
(byte) 0x19);
369+
370+
out = new ByteArrayOutputStream();
371+
gen = cborGenerator(out);
372+
gen.writeNumberUnsigned(24L);
373+
gen.close();
374+
_verifyBytes(out.toByteArray(),
375+
(byte) (CBORConstants.PREFIX_TYPE_INT_POS + CBORConstants.SUFFIX_UINT8_ELEMENTS),
376+
(byte) 0x18);
377+
378+
// Truncated to not take any extra bytes
379+
out = new ByteArrayOutputStream();
380+
gen = cborGenerator(out);
381+
gen.writeNumberUnsigned(23L);
382+
gen.close();
383+
_verifyBytes(out.toByteArray(),
384+
(byte) 0x17);
385+
386+
out = new ByteArrayOutputStream();
387+
gen = cborGenerator(out);
388+
gen.writeNumberUnsigned(10L);
389+
gen.close();
390+
_verifyBytes(out.toByteArray(),
391+
(byte) 0x0A);
392+
393+
out = new ByteArrayOutputStream();
394+
gen = cborGenerator(out);
395+
gen.writeNumberUnsigned(1L);
396+
gen.close();
397+
_verifyBytes(out.toByteArray(),
398+
(byte) 0x01);
399+
400+
out = new ByteArrayOutputStream();
401+
gen = cborGenerator(out);
402+
gen.writeNumberUnsigned(0L);
403+
gen.close();
404+
_verifyBytes(out.toByteArray(),
405+
(byte) 0x00);
406+
}
407+
204408
@Test
205409
public void testFloatValues() throws Exception
206410
{

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