| /* ==================================================================== |
| 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.xssf.usermodel; |
| |
| import static org.apache.logging.log4j.util.Unbox.box; |
| import static org.junit.jupiter.api.Assertions.*; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.poi.ss.util.CellRangeAddress; |
| import org.apache.poi.xssf.XSSFTestDataSamples; |
| import org.junit.jupiter.api.Test; |
| |
| class TestXSSFSheetMergeRegions { |
| |
| private static final Logger LOG = LogManager.getLogger(TestXSSFSheetMergeRegions.class); |
| |
| @Test |
| void testMergeRegionsSpeed() throws IOException { |
| try (XSSFWorkbook wb = XSSFTestDataSamples.openSampleWorkbook("57893-many-merges.xlsx")) { |
| long millis = Long.MAX_VALUE; |
| |
| // in order to reduce the number of false positives we run it a few times before we fail, |
| // sometimes it fails on machines that are busy at the moment. |
| for (int i = 0; i < 5; i++) { |
| millis = runTest(wb); |
| if (millis < 2000) { |
| break; |
| } |
| LOG.atInfo().log("Retry {} because run-time is too high: {}", box(i),box(millis)); |
| } |
| |
| boolean inGump = false; |
| String version = System.getProperty("version.id"); |
| if (version != null && version.startsWith("gump-")) { |
| inGump = true; |
| } |
| |
| // This time is typically ~800ms, versus ~7800ms to iterate getMergedRegion(int). |
| // when running in Gump, the VM is very slow, so we should allow much more time |
| assertTrue(inGump ? millis < 8000 : millis < 2000, |
| "Should have taken <2000 ms to iterate 50k merged regions but took " + millis); |
| } |
| } |
| |
| private long runTest(final XSSFWorkbook wb) { |
| final long start = System.currentTimeMillis(); |
| final XSSFSheet sheet = wb.getSheetAt(0); |
| final List<CellRangeAddress> mergedRegions = sheet.getMergedRegions(); |
| assertEquals(50000, mergedRegions.size()); |
| for (CellRangeAddress cellRangeAddress : mergedRegions) { |
| assertEquals(cellRangeAddress.getFirstRow(), cellRangeAddress.getLastRow()); |
| assertEquals(2, cellRangeAddress.getNumberOfCells()); |
| } |
| return System.currentTimeMillis() - start; |
| } |
| } |