TestEscherContainerRecord.java
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package org.apache.poi.ddf;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertInstanceOf;
import static org.junit.jupiter.api.Assertions.assertNotSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import java.util.Arrays;
import java.util.List;
import org.apache.poi.POIDataSamples;
import org.apache.poi.util.HexDump;
import org.apache.poi.util.HexRead;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.parallel.Isolated;
/**
* Tests for {@link EscherContainerRecord}
*/
@Isolated // this test changes global static MAX_NUMBER_OF_CHILDREN
final class TestEscherContainerRecord {
private static final POIDataSamples _samples = POIDataSamples.getDDFInstance();
@Test
void testFillFields() {
EscherRecordFactory f = new DefaultEscherRecordFactory();
byte[] data = HexRead.readFromString("0F 02 11 F1 00 00 00 00");
EscherRecord r = f.createRecord(data, 0);
r.fillFields(data, 0, f);
assertInstanceOf(EscherContainerRecord.class, r);
assertEquals((short) 0x020F, r.getOptions());
assertEquals((short) 0xF111, r.getRecordId());
data = HexRead.readFromString("0F 02 11 F1 08 00 00 00" +
" 02 00 22 F2 00 00 00 00");
r = f.createRecord(data, 0);
r.fillFields(data, 0, f);
EscherRecord c = r.getChild(0);
assertFalse(c instanceof EscherContainerRecord);
assertEquals((short) 0x0002, c.getOptions());
assertEquals((short) 0xF222, c.getRecordId());
}
@Test
void testSerialize() {
UnknownEscherRecord r = new UnknownEscherRecord();
r.setOptions((short) 0x123F);
r.setRecordId((short) 0xF112);
byte[] data = new byte[8];
r.serialize(0, data, new NullEscherSerializationListener());
assertEquals("[3F, 12, 12, F1, 00, 00, 00, 00]", HexDump.toHex(data));
EscherRecord childRecord = new UnknownEscherRecord();
childRecord.setOptions((short) 0x9999);
childRecord.setRecordId((short) 0xFF01);
r.addChildRecord(childRecord);
data = new byte[16];
r.serialize(0, data, new NullEscherSerializationListener());
assertEquals("[3F, 12, 12, F1, 08, 00, 00, 00, 99, 99, 01, FF, 00, 00, 00, 00]", HexDump.toHex(data));
}
@Test
void testToString() {
EscherContainerRecord r = new EscherContainerRecord();
r.setRecordId(EscherContainerRecord.SP_CONTAINER);
r.setOptions((short) 0x000F);
String expected =
"{ /* SP_CONTAINER */\n" +
"\t \"recordId\": -4092 /* 0xf004 */\n" +
"\t, \"version\": 15 /* 0x000f */\n" +
"\t, \"instance\": 0\n" +
"\t, \"options\": 15 /* 0x000f */\n" +
"\t, \"recordSize\": 8\n" +
"\t, \"isContainer\": true\n" +
"}";
expected = expected.replace("\n", System.lineSeparator());
assertEquals(expected, r.toString());
EscherOptRecord r2 = new EscherOptRecord();
// don't try to shoot in foot, please -- vlsergey
// r2.setOptions((short) 0x9876);
r2.setRecordId(EscherOptRecord.RECORD_ID);
r.addChildRecord(r2);
expected =
"{ /* SP_CONTAINER */\n" +
"\t \"recordId\": -4092 /* 0xf004 */\n" +
"\t, \"version\": 15 /* 0x000f */\n" +
"\t, \"instance\": 0\n" +
"\t, \"options\": 15 /* 0x000f */\n" +
"\t, \"recordSize\": 16 /* 0x00000010 */\n" +
"\t, \"isContainer\": true\n" +
"\t, \"children\": [\n" +
"\t\t{ /* OPT */\n" +
"\t\t\t \"recordId\": -4085 /* 0xf00b */\n" +
"\t\t\t, \"version\": 3\n" +
"\t\t\t, \"instance\": 0\n" +
"\t\t\t, \"options\": 3\n" +
"\t\t\t, \"recordSize\": 8\n" +
"\t\t\t, \"isContainer\": false\n" +
"\t\t\t, \"properties\": [\n" +
"\t\t\t]\n" +
"\t\t}\n" +
"\t]\n" +
"}";
expected = expected.replace("\n", System.lineSeparator());
assertEquals(expected, r.toString());
r.addChildRecord(r2);
expected =
"{ /* SP_CONTAINER */\n" +
"\t \"recordId\": -4092 /* 0xf004 */\n" +
"\t, \"version\": 15 /* 0x000f */\n" +
"\t, \"instance\": 0\n" +
"\t, \"options\": 15 /* 0x000f */\n" +
"\t, \"recordSize\": 24 /* 0x00000018 */\n" +
"\t, \"isContainer\": true\n" +
"\t, \"children\": [\n" +
"\t\t{ /* OPT */\n" +
"\t\t\t \"recordId\": -4085 /* 0xf00b */\n" +
"\t\t\t, \"version\": 3\n" +
"\t\t\t, \"instance\": 0\n" +
"\t\t\t, \"options\": 3\n" +
"\t\t\t, \"recordSize\": 8\n" +
"\t\t\t, \"isContainer\": false\n" +
"\t\t\t, \"properties\": [\n" +
"\t\t\t]\n" +
"\t\t},\t\t{ /* OPT - index: 1 */\n" +
"\t\t\t \"recordId\": -4085 /* 0xf00b */\n" +
"\t\t\t, \"version\": 3\n" +
"\t\t\t, \"instance\": 0\n" +
"\t\t\t, \"options\": 3\n" +
"\t\t\t, \"recordSize\": 8\n" +
"\t\t\t, \"isContainer\": false\n" +
"\t\t\t, \"properties\": [\n" +
"\t\t\t]\n" +
"\t\t}\n" +
"\t]\n" +
"}";
expected = expected.replace("\n", System.lineSeparator());
assertEquals(expected, r.toString());
}
private static final class DummyEscherRecord extends EscherRecord {
public DummyEscherRecord() { }
@Override
public int fillFields(byte[] data, int offset, EscherRecordFactory recordFactory) { return 0; }
@Override
public int serialize(int offset, byte[] data, EscherSerializationListener listener) { return 0; }
@Override
public int getRecordSize() { return 10; }
@Override
public String getRecordName() { return ""; }
@Override
public Enum<?> getGenericRecordType() { return EscherRecordTypes.UNKNOWN; }
@Override
public DummyEscherRecord copy() { return null; }
}
@Test
void testGetRecordSize() {
EscherContainerRecord r = new EscherContainerRecord();
r.addChildRecord(new DummyEscherRecord());
assertEquals(18, r.getRecordSize());
}
/**
* We were having problems with reading too much data on an UnknownEscherRecord,
* but hopefully we now read the correct size.
*/
@Test
void testBug44857() {
byte[] data = _samples.readFile("Container.dat");
// This used to fail with an OutOfMemory
EscherContainerRecord record = new EscherContainerRecord();
record.fillFields(data, 0, new DefaultEscherRecordFactory());
Class<?>[] exp = { EscherDggRecord.class, EscherContainerRecord.class, EscherOptRecord.class, EscherSplitMenuColorsRecord.class };
Class<?>[] act = record.getChildRecords().stream().map(Object::getClass).toArray(Class[]::new);
assertArrayEquals(exp, act);
}
/**
* Ensure {@link EscherContainerRecord} doesn't spill its guts everywhere
*/
@Test
void testChildren() {
EscherContainerRecord ecr = new EscherContainerRecord();
List<EscherRecord> children0 = ecr.getChildRecords();
assertEquals(0, children0.size());
EscherRecord chA = new DummyEscherRecord();
EscherRecord chB = new DummyEscherRecord();
EscherRecord chC = new DummyEscherRecord();
ecr.addChildRecord(chA);
ecr.addChildRecord(chB);
children0.add(chC);
List<EscherRecord> children1 = ecr.getChildRecords();
assertNotSame(children0, children1);
assertEquals(2, children1.size());
assertEquals(chA, children1.get(0));
assertEquals(chB, children1.get(1));
assertEquals(1, children0.size()); // first copy unchanged
ecr.setChildRecords(children0);
ecr.addChildRecord(chA);
List<EscherRecord> children2 = ecr.getChildRecords();
assertEquals(2, children2.size());
assertEquals(chC, children2.get(0));
assertEquals(chA, children2.get(1));
}
@Test
void testTooManyChildren() {
EscherContainerRecord ecr = new EscherContainerRecord();
int before = EscherRecord.getMaxNumberOfChildren();
try {
EscherRecord.setMaxNumberOfChildren(2);
ecr.addChildRecord(new EscherDgRecord());
ecr.addChildRecord(new EscherDgRecord());
assertThrows(IllegalStateException.class,
() -> ecr.addChildRecord(new EscherDgRecord()));
ecr.setChildRecords(Arrays.asList(new EscherDgRecord(), new EscherDgRecord()));
assertThrows(IllegalStateException.class,
() -> ecr.setChildRecords(Arrays.asList(new EscherDgRecord(), new EscherDgRecord(), new EscherDgRecord())));
} finally {
EscherRecord.setMaxNumberOfChildren(before);
}
}
}