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IDEA-162574 False positive 'Lambda can be replaced with method reference'

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This commit is contained in:
Tagir Valeev
2016-10-18 12:53:15 +07:00
parent d807cd3b24
commit ee1bd69c2e
5 changed files with 35 additions and 2 deletions
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5
java/java-analysis-impl/src/com/intellij/codeInspection/LambdaCanBeMethodReferenceInspection.java
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@@ -298,8 +298,9 @@ public class LambdaCanBeMethodReferenceInspection extends BaseJavaBatchLocalInsp
return null;
}
PsiType type = typeElement.getType();
if (type instanceof PsiPrimitiveType)
return null;
if (type instanceof PsiPrimitiveType) return null;
type = type.getDeepComponentType();
if (type instanceof PsiClassType && (((PsiClassType)type).resolve() instanceof PsiTypeParameter)) return null;
return expression;
}
}

8
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/lambda2methodReference/afterCastArray.java Normal file
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@@ -0,0 +1,8 @@
// "Replace lambda with method reference" "true"
import java.util.function.Function;
class Bar extends Random {
public void test(Object obj) {
Function<Object, int[]> fn = int[].class::cast;
}
}

8
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/lambda2methodReference/beforeCastArray.java Normal file
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@@ -0,0 +1,8 @@
// "Replace lambda with method reference" "true"
import java.util.function.Function;
class Bar extends Random {
public void test(Object obj) {
Function<Object, int[]> fn = s -> (int[])<caret>s;
}
}

8
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/lambda2methodReference/beforeCastGeneric2.java Normal file
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@@ -0,0 +1,8 @@
// "Replace lambda with method reference" "false"
import java.util.function.Function;
class Bar extends Random {
public void <T> test(Object obj) {
Function<Object, T> fn = s -> (T)<caret>s;
}
}

8
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/lambda2methodReference/beforeCastGenericArray.java Normal file
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@@ -0,0 +1,8 @@
// "Replace lambda with method reference" "false"
import java.util.function.Function;
class Bar extends Random {
public void <T> test(Object obj) {
Function<Object, T[]> fn = s -> (T[])<caret>s;
}
}