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new inference: array constructor refs are always exact (IDEA-115725)

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(cherry picked from commit 0f6538fc54bbee0aaf6cbab9884c0407937d4568)
This commit is contained in:
anna
2013-11-15 18:30:44 +01:00
parent 0c02d873d8
commit 23432e3cd7
3 changed files with 19 additions and 1 deletions
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2
java/java-psi-impl/src/com/intellij/psi/impl/source/tree/java/PsiMethodReferenceExpressionImpl.java
View File

@@ -101,7 +101,7 @@ public class PsiMethodReferenceExpressionImpl extends PsiReferenceExpressionBase
return parameterList != null && parameterList.getTypeParameterElements().length > 0 ? psiMethod : null;
}
}
if (containingClass.hasTypeParameters()) {
if (containingClass.isPhysical() && containingClass.hasTypeParameters()) {
final PsiElement qualifier = getQualifier();
if (qualifier instanceof PsiTypeElement) {
final PsiJavaCodeReferenceElement referenceElement = ((PsiTypeElement)qualifier).getInnermostComponentReferenceElement();

14
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/methodRef/ExactReferencesToArrayCreation.java Normal file
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@@ -0,0 +1,14 @@
public class InspectorTest {
interface Stream<T> {
<A> A[] toArray(IntFunction<A[]> generator);
}
interface IntFunction<R> {
R apply(int value);
}
public static void main(Stream<Object> objectStream){
varargMethod(String[]::new,
objectStream.toArray(String[]::new));
}
public static <T> void varargMethod(IntFunction<T[]> generator,T[]... a){}
}

4
java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/MethodRefHighlightingTest.java
View File

@@ -89,6 +89,10 @@ public class MethodRefHighlightingTest extends LightDaemonAnalyzerTestCase {
doTest();
}
public void _testExactReferencesToArrayCreation() {
doTest();
}
private void doTest() {
doTest(false);
}