zhuzhurk commented on code in PR #19946:
URL: https://github.com/apache/flink/pull/19946#discussion_r896402127
##########
flink-core/src/test/java/org/apache/flink/api/common/io/BinaryInputFormatTest.java:
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@@ -160,11 +161,45 @@ public void testGetStatisticsMultiplePaths() throws
IOException {
stats.getTotalInputSize());
}
+ @Test
+ public void testCreateInputSplitsWithEmptySplit() throws IOException {
+ final int blockInfoSize = new BlockInfo().getInfoSize();
+ final int blockSize = blockInfoSize + 8;
+ final int numBlocks = 3;
+ final int minNumSplits = 5;
+
+ // create temporary file with 3 blocks
+ final File tempFile =
+ createBinaryInputFile(
+ "test_create_input_splits_with_empty_split",
blockSize, numBlocks);
+
+ final Configuration config = new Configuration();
+ config.setLong("input.block_size", blockSize + 10);
+
+ final BinaryInputFormat<Record> inputFormat = new
MyBinaryInputFormat();
+ inputFormat.setFilePath(tempFile.toURI().toString());
+ inputFormat.setBlockSize(blockSize);
+
+ inputFormat.configure(config);
+
+ FileInputSplit[] inputSplits =
inputFormat.createInputSplits(minNumSplits);
+
+ Assert.assertEquals(
Review Comment:
Makes sense. Ref:
https://flink.apache.org/contributing/code-style-and-quality-common.html#testing
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