fixes: PicnicSupermarket#1001

BLasan · Feb 11, 2024 · 1c75f45 · 1c75f45
1 parent 57fa6ae
commit 1c75f45
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Showing 3 changed files with 24 additions and 0 deletions.
diff --git a/error-prone-contrib/src/main/java/tech/picnic/errorprone/refasterrules/StringRules.java b/error-prone-contrib/src/main/java/tech/picnic/errorprone/refasterrules/StringRules.java
@@ -162,6 +162,22 @@ String after(Object object) {
     }
   }
 
+  /**
+   * Prefer direct invocation of {@link String#copyValueOf(char[])} over the indirection introduced
+   * by {@link String#copyValueOf(char[])}.
+   */
+  static final class StringCopyValueOf {
+    @BeforeTemplate
+    String before(char[] data, int offset, int count) {
+      return String.copyValueOf(data, offset, count);
+    }
+
+    @AfterTemplate
+    String after(char[] data, int offset, int count) {
+      return new String(data, offset, count);
+    }
+  }
+
   /**
    * Prefer direct delegation to {@link String#valueOf(Object)} over the indirection introduced by
    * {@link Objects#toString(Object)}.

diff --git a/...contrib/src/test/resources/tech/picnic/errorprone/refasterrules/StringRulesTestInput.java b/...contrib/src/test/resources/tech/picnic/errorprone/refasterrules/StringRulesTestInput.java
@@ -84,4 +84,8 @@ String testSubstringRemainder() {
   int testUtf8EncodedLength() {
     return "foo".getBytes(UTF_8).length;
   }
+
+  String testStringCopyValueOf() {
+    return String.copyValueOf(new char[] {'f', 'o', 'o'}, 0, 3);
+  }
 }
diff --git a/...ontrib/src/test/resources/tech/picnic/errorprone/refasterrules/StringRulesTestOutput.java b/...ontrib/src/test/resources/tech/picnic/errorprone/refasterrules/StringRulesTestOutput.java
@@ -86,4 +86,8 @@ String testSubstringRemainder() {
   int testUtf8EncodedLength() {
     return Utf8.encodedLength("foo");
   }
+
+  String testStringCopyValueOf() {
+    return new String(new char[] {'f', 'o', 'o'}, 0, 3);
+  }
 }