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Posted to jira@kafka.apache.org by "Hangleton (via GitHub)" <gi...@apache.org> on 2023/05/09 14:00:20 UTC
[GitHub] [kafka] Hangleton commented on a diff in pull request #13584: MINOR: Add log segment unit tests, If the maximum offset beyond index, appen…
Hangleton commented on code in PR #13584:
URL: https://github.com/apache/kafka/pull/13584#discussion_r1188635591
##########
core/src/test/scala/unit/kafka/log/LogSegmentTest.scala:
##########
@@ -65,6 +68,32 @@ class LogSegmentTest {
Utils.delete(logDir)
}
+ /**
+ * LogSegmentOffsetOverflowException should be thrown while appending the logs if:
+ * 1. largestOffset < 0
Review Comment:
Nit: we can remove (1) since (1) => (2).
##########
core/src/test/scala/unit/kafka/log/LogSegmentTest.scala:
##########
@@ -65,6 +68,32 @@ class LogSegmentTest {
Utils.delete(logDir)
}
+ /**
+ * LogSegmentOffsetOverflowException should be thrown while appending the logs if:
+ * 1. largestOffset < 0
+ * 2. largestOffset - baseOffset < 0
+ * 3. largestOffset - baseOffset > Integer.MAX_VALUE
+ */
+ @ParameterizedTest
+ @CsvSource(Array(
+ "0, -2147483648",
+ "0, 2147483648",
+ "1, 0",
+ "100, 10",
+ "2147483648, 0",
+ "-2147483648, 0",
+ "2147483648,4294967296"
Review Comment:
nit: Note that the max int value on the Java platform is `2147483647` so we are exercising max int + 1.
##########
core/src/test/scala/unit/kafka/log/LogSegmentTest.scala:
##########
@@ -65,6 +68,32 @@ class LogSegmentTest {
Utils.delete(logDir)
}
+ /**
+ * LogSegmentOffsetOverflowException should be thrown while appending the logs if:
+ * 1. largestOffset < 0
+ * 2. largestOffset - baseOffset < 0
+ * 3. largestOffset - baseOffset > Integer.MAX_VALUE
+ */
+ @ParameterizedTest
+ @CsvSource(Array(
+ "0, -2147483648",
+ "0, 2147483648",
+ "1, 0",
+ "100, 10",
+ "2147483648, 0",
+ "-2147483648, 0",
+ "2147483648,4294967296"
+ ))
+ def testAppendForLogSegmentOffsetOverflowException(baseOffset: Long, largestOffset: Long): Unit = {
Review Comment:
What is the expected behaviour for `baseOffset == largestOffset`?
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