| /* ==================================================================== |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (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.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==================================================================== */ |
| |
| package org.apache.poi.hssf.record; |
| |
| import static org.junit.jupiter.api.Assertions.assertArrayEquals; |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| |
| import java.io.ByteArrayInputStream; |
| |
| import org.apache.poi.hssf.usermodel.HSSFRichTextString; |
| import org.apache.poi.ss.formula.ptg.Ptg; |
| import org.apache.poi.ss.formula.ptg.RefPtg; |
| import org.apache.poi.util.HexRead; |
| import org.apache.poi.util.LittleEndian; |
| import org.junit.jupiter.api.Test; |
| |
| /** |
| * Tests that serialization and deserialization of the TextObjectRecord . |
| * Test data taken directly from a real Excel file. |
| * |
| * @author Yegor Kozlov |
| */ |
| final class TestTextObjectRecord { |
| |
| private static final byte[] simpleData = HexRead.readFromString( |
| "B6 01 12 00 " + |
| "12 02 00 00 00 00 00 00" + |
| "00 00 0D 00 08 00 00 00" + |
| "00 00 " + |
| "3C 00 0E 00 " + |
| "00 48 65 6C 6C 6F 2C 20 57 6F 72 6C 64 21 " + |
| "3C 00 08 " + |
| "00 0D 00 00 00 00 00 00 00" |
| ); |
| |
| @Test |
| void testRead() { |
| |
| RecordInputStream is =TestcaseRecordInputStream.create(simpleData); |
| TextObjectRecord record = new TextObjectRecord(is); |
| |
| assertEquals(TextObjectRecord.sid, record.getSid()); |
| assertEquals(TextObjectRecord.HORIZONTAL_TEXT_ALIGNMENT_LEFT_ALIGNED, record.getHorizontalTextAlignment()); |
| assertEquals(TextObjectRecord.VERTICAL_TEXT_ALIGNMENT_TOP, record.getVerticalTextAlignment()); |
| assertEquals(TextObjectRecord.TEXT_ORIENTATION_NONE, record.getTextOrientation()); |
| assertEquals("Hello, World!", record.getStr().getString()); |
| } |
| |
| @Test |
| void testWrite() { |
| HSSFRichTextString str = new HSSFRichTextString("Hello, World!"); |
| |
| TextObjectRecord record = new TextObjectRecord(); |
| record.setStr(str); |
| record.setHorizontalTextAlignment( TextObjectRecord.HORIZONTAL_TEXT_ALIGNMENT_LEFT_ALIGNED ); |
| record.setVerticalTextAlignment( TextObjectRecord.VERTICAL_TEXT_ALIGNMENT_TOP ); |
| record.setTextLocked( true ); |
| record.setTextOrientation( TextObjectRecord.TEXT_ORIENTATION_NONE ); |
| |
| byte [] ser = record.serialize(); |
| assertEquals(ser.length , simpleData.length); |
| |
| assertArrayEquals(simpleData, ser); |
| |
| //read again |
| RecordInputStream is = TestcaseRecordInputStream.create(simpleData); |
| record = new TextObjectRecord(is); |
| assertNotNull(record); |
| } |
| |
| /** |
| * Zero {@link ContinueRecord}s follow a {@link TextObjectRecord} if the text is empty |
| */ |
| @Test |
| void testWriteEmpty() { |
| HSSFRichTextString str = new HSSFRichTextString(""); |
| |
| TextObjectRecord record = new TextObjectRecord(); |
| record.setStr(str); |
| |
| byte [] ser = record.serialize(); |
| |
| int formatDataLen = LittleEndian.getUShort(ser, 16); |
| assertEquals(0, formatDataLen, "formatDataLength"); |
| |
| assertEquals(22, ser.length); // just the TXO record |
| |
| //read again |
| RecordInputStream is = TestcaseRecordInputStream.create(ser); |
| record = new TextObjectRecord(is); |
| assertEquals(0, record.getStr().length()); |
| } |
| |
| /** |
| * Test that TextObjectRecord serializes logs records properly. |
| */ |
| @Test |
| void testLongRecords() { |
| int[] lengths = {1024, 2048, 4096, 8192, 16384}; //test against strings of different length |
| for (int length : lengths) { |
| StringBuilder buff = new StringBuilder(length); |
| for (int j = 0; j < length; j++) { |
| buff.append("x"); |
| } |
| HSSFRichTextString str = new HSSFRichTextString(buff.toString()); |
| |
| TextObjectRecord obj = new TextObjectRecord(); |
| obj.setStr(str); |
| |
| byte [] data = obj.serialize(); |
| RecordInputStream is = new RecordInputStream(new ByteArrayInputStream(data)); |
| is.nextRecord(); |
| TextObjectRecord record = new TextObjectRecord(is); |
| str = record.getStr(); |
| |
| assertEquals(buff.length(), str.length()); |
| assertEquals(buff.toString(), str.getString()); |
| } |
| } |
| |
| /** |
| * Test cloning |
| */ |
| @Test |
| void testClone() { |
| String text = "Hello, World"; |
| HSSFRichTextString str = new HSSFRichTextString(text); |
| |
| TextObjectRecord obj = new TextObjectRecord(); |
| obj.setStr( str ); |
| |
| |
| TextObjectRecord cloned = obj.copy(); |
| assertEquals(obj.getRecordSize(), cloned.getRecordSize()); |
| assertEquals(obj.getHorizontalTextAlignment(), cloned.getHorizontalTextAlignment()); |
| assertEquals(obj.getStr().getString(), cloned.getStr().getString()); |
| |
| //finally check that the serialized data is the same |
| byte[] src = obj.serialize(); |
| byte[] cln = cloned.serialize(); |
| assertArrayEquals(src, cln); |
| } |
| |
| /** similar to {@link #simpleData} but with link formula at end of TXO rec*/ |
| private static final byte[] linkData = HexRead.readFromString( |
| "B6 01 " + // TextObjectRecord.sid |
| "1E 00 " + // size 18 |
| "44 02 02 00 00 00 00 00" + |
| "00 00 " + |
| "02 00 " + // strLen 2 |
| "10 00 " + // 16 bytes for 2 format runs |
| "00 00 00 00 " + |
| |
| "05 00 " + // formula size |
| "D4 F0 8A 03 " + // unknownInt |
| "24 01 00 13 C0 " + //tRef(T2) |
| "13 " + // ?? |
| |
| "3C 00 " + // ContinueRecord.sid |
| "03 00 " + // size 3 |
| "00 " + // unicode compressed |
| "41 42 " + // 'AB' |
| "3C 00 " + // ContinueRecord.sid |
| "10 00 " + // size 16 |
| "00 00 18 00 00 00 00 00 " + |
| "02 00 00 00 00 00 00 00 " |
| ); |
| |
| @Test |
| void testLinkFormula() { |
| RecordInputStream is = new RecordInputStream(new ByteArrayInputStream(linkData)); |
| is.nextRecord(); |
| TextObjectRecord rec = new TextObjectRecord(is); |
| |
| Ptg ptg = rec.getLinkRefPtg(); |
| assertNotNull(ptg); |
| assertEquals(RefPtg.class, ptg.getClass()); |
| RefPtg rptg = (RefPtg) ptg; |
| assertEquals("T2", rptg.toFormulaString()); |
| |
| byte [] data2 = rec.serialize(); |
| assertEquals(linkData.length, data2.length); |
| assertArrayEquals(linkData, data2); |
| } |
| } |