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Posted to commits@pekko.apache.org by he...@apache.org on 2026/06/26 11:10:56 UTC
(pekko) branch feature/java17-toarray-typed created (now 33a226ef41)
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in repository https://gitbox.apache.org/repos/asf/pekko.git
at 33a226ef41 refactor: migrate .toArray() to .toArray(T[]::new) for type-safe array conversion (Java 11+)
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new 33a226ef41 refactor: migrate .toArray() to .toArray(T[]::new) for type-safe array conversion (Java 11+)
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(pekko) 01/01: refactor: migrate .toArray() to .toArray(T[]::new) for type-safe array conversion (Java 11+)
Posted by he...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
He-Pin pushed a commit to branch feature/java17-toarray-typed
in repository https://gitbox.apache.org/repos/asf/pekko.git
commit 33a226ef4164395a51668e0c99fe3229f6ee1990
Author: θιΈ£ <he...@alibaba-inc.com>
AuthorDate: Fri Jun 26 19:10:38 2026 +0800
refactor: migrate .toArray() to .toArray(T[]::new) for type-safe array conversion (Java 11+)
Motivation:
Java 11 added Collection.toArray(IntFunction<T[]>) which produces a
type-safe array instead of Object[]. This eliminates unchecked casts
and improves compile-time type safety.
Modification:
- List<String>.toArray() β .toArray(String[]::new) (TestKitDocTest, 2 occurrences)
- List<Boolean>.toArray() β .toArray(Boolean[]::new) (SourceTest)
Result:
Type-safe array conversions without unchecked casts. 3 occurrences
migrated across 2 test files.
Tests: sbt validatePullRequest
References: https://javaalmanac.io/jdk/17/apidiff/8/
---
docs/src/test/java/jdocs/testkit/TestKitDocTest.java | 4 ++--
.../src/test/java/org/apache/pekko/stream/javadsl/SourceTest.java | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/docs/src/test/java/jdocs/testkit/TestKitDocTest.java b/docs/src/test/java/jdocs/testkit/TestKitDocTest.java
index 3fdef495f3..7f79c2a664 100644
--- a/docs/src/test/java/jdocs/testkit/TestKitDocTest.java
+++ b/docs/src/test/java/jdocs/testkit/TestKitDocTest.java
@@ -215,7 +215,7 @@ public class TestKitDocTest extends AbstractJavaTest {
}
});
- assertArrayEquals(new String[] {"42", "43"}, out.toArray());
+ assertArrayEquals(new String[] {"42", "43"}, out.toArray(String[]::new));
expectMsgEquals("hello");
}
};
@@ -295,7 +295,7 @@ public class TestKitDocTest extends AbstractJavaTest {
assertEquals("hello", any);
assertEquals(42, i);
assertEquals(42, j);
- assertArrayEquals(new String[] {"hello", "world"}, all.toArray());
+ assertArrayEquals(new String[] {"hello", "world"}, all.toArray(String[]::new));
}
};
}
diff --git a/stream-tests/src/test/java/org/apache/pekko/stream/javadsl/SourceTest.java b/stream-tests/src/test/java/org/apache/pekko/stream/javadsl/SourceTest.java
index db3341baea..06da3fbacd 100644
--- a/stream-tests/src/test/java/org/apache/pekko/stream/javadsl/SourceTest.java
+++ b/stream-tests/src/test/java/org/apache/pekko/stream/javadsl/SourceTest.java
@@ -1535,7 +1535,7 @@ public class SourceTest extends StreamTestJupiter {
assertArrayEquals(
new Boolean[] {false, true, false, true, false, true, false, true, false, true},
- future.get(1, TimeUnit.SECONDS).toArray());
+ future.get(1, TimeUnit.SECONDS).toArray(Boolean[]::new));
}
@Test
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