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InstanceOfPatternMatch: handle same type for multiple operands #265

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InstanceOfPatternMatch: handle same type for multiple operands #265

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27 changes: 27 additions & 0 deletions src/test/java/org/openrewrite/staticanalysis/InstanceOfPatternMatchTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -791,5 +791,32 @@ String test(Object o) {
)
);
}

@Test
void multipleCastsInDifferentOperands() {
rewriteRun(
//language=java
java(
"""
import java.util.Comparator;
public class A {
Comparator<Object> comparator() {
return (a, b) ->
(a instanceof String) && (b instanceof String) ? ((String) a).compareTo((String) b) : 0;
}
}
""",
"""
import java.util.Comparator;
public class A {
Comparator<Object> comparator() {
return (a, b) ->
(a instanceof String s) && (b instanceof String s) ? s.compareTo(s) : 0;
}
}
"""
)
);
}
}
}
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