steveloughran commented on code in PR #4273:
URL: https://github.com/apache/hadoop/pull/4273#discussion_r880943791
##########
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/contract/ContractTestUtils.java:
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@@ -1095,6 +1102,54 @@ public static void validateFileContent(byte[] concat,
byte[][] bytes) {
mismatch);
}
+ /**
+ * Utility to validate vectored read results.
+ * @param fileRanges input ranges.
+ * @param originalData original data.
+ * @throws IOException any ioe.
+ */
+ public static void validateVectoredReadResult(List<FileRange> fileRanges,
+ byte[] originalData)
+ throws IOException, TimeoutException {
+ CompletableFuture<?>[] completableFutures = new
CompletableFuture<?>[fileRanges.size()];
+ int i = 0;
+ for (FileRange res : fileRanges) {
+ completableFutures[i++] = res.getData();
+ }
+ CompletableFuture<Void> combinedFuture =
CompletableFuture.allOf(completableFutures);
+ FutureIO.awaitFuture(combinedFuture, 5, TimeUnit.MINUTES);
Review Comment:
yes, just pulling into the file as a static with javadoc
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