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add test for concurrent use of DataFormatter

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1856439 13f79535-47bb-0310-9956-ffa450edef68
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PJ Fanning 2019-03-27 21:24:25 +00:00
parent 89d34e6c64
commit 80dc4b34c9
1 changed files with 45 additions and 5 deletions
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50
src/testcases/org/apache/poi/ss/usermodel/TestDataFormatter.java
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@ -28,11 +28,9 @@ import static org.junit.Assert.fail;
import java.io.IOException;
import java.text.DateFormat;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import java.util.*;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.TimeUnit;
import org.apache.poi.hssf.HSSFTestDataSamples;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
@ -938,4 +936,46 @@ public class TestDataFormatter {
String value = df.formatCellValue(cell, wb.getCreationHelper().createFormulaEvaluator());
assertEquals("-130", value);
}
@Test
public void testConcurrentCellFormat() throws Exception {
int formatIndex = 105;
String formatString = "[$-F400]m/d/yy h:mm:ss\\ AM/PM;[$-F400]m/d/yy h:mm:ss\\ AM/PM;_-* \"\"??_-;_-@_-";
DataFormatter formatter = new DataFormatter();
doFormatTestSequential(formatter, 43551.50990171296, "3/27/19 12:14:15 PM", formatIndex, formatString);
doFormatTestSequential(formatter, 36104.424780092595, "11/5/98 10:11:41 AM", formatIndex, formatString);
doFormatTestConcurrent(formatter, 43551.50990171296, "3/27/19 12:14:15 PM", formatIndex, formatString);
doFormatTestConcurrent(formatter, 36104.424780092595, "11/5/98 10:11:41 AM", formatIndex, formatString);
}
private void doFormatTestSequential(DataFormatter formatter, double n, String expected, int formatIndex,
String formatString) {
for (int i = 0; i < 1_000; i++) {
assertTrue(doFormatTest(formatter, n, expected, formatIndex, formatString, i));
}
}
private void doFormatTestConcurrent(DataFormatter formatter, double n, String expected, int formatIndex,
String formatString) throws Exception {
ArrayList<CompletableFuture<Boolean>> futures = new ArrayList<>();
for (int i = 0; i < 1_000; i++) {
final int iteration = i;
CompletableFuture<Boolean> future = CompletableFuture.supplyAsync(
() -> { return doFormatTest(formatter, n, expected, formatIndex, formatString, iteration); });
futures.add(future);
}
for (CompletableFuture<Boolean> future : futures) {
assertTrue(future.get(1, TimeUnit.MINUTES));
}
}
private static boolean doFormatTest(DataFormatter formatter, double n, String expected, int formatIndex,
String formatString, int iteration) {
String actual = formatter.formatRawCellContents(n, formatIndex, formatString);
assertEquals("Failed on iteration " + iteration, expected, actual);
return true;
}
}