retrieve expected type by containing array creation expression (IDEA-132794)

java/java-psi-api/src/com/intellij/psi/util/PsiTypesUtil.java

@@ -215,6 +215,15 @@ public class PsiTypesUtil {
     }
     else if (PsiUtil.isCondition(methodCall, parent)) {
       return PsiType.BOOLEAN.getBoxedType(parent);
+    } 
+    else if (parent instanceof PsiArrayInitializerExpression) {
+      final PsiElement gParent = parent.getParent();
+      if (gParent instanceof PsiNewExpression) {
+        final PsiType type = ((PsiNewExpression)gParent).getType();
+        if (type instanceof PsiArrayType) {
+          return ((PsiArrayType)type).getComponentType();
+        }
+      }
     }
     return null;
   }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/ExpectedTypeFromOuterArrayCreation.java

@@ -0,0 +1,9 @@
+class Test {
+  public <T> T f() {
+    return null;
+  }
+
+  public Object foo() {
+    return true ? new String[]{f()} : new String[][]{f()};
+  }
+}

java/java-tests/testSrc/com/intellij/codeInsight/daemon/GenericsHighlightingTest.java

@@ -434,6 +434,10 @@ public class GenericsHighlightingTest extends LightDaemonAnalyzerTestCase {
     doTest(LanguageLevel.JDK_1_7, JavaSdkVersion.JDK_1_7, false);
   }
 
+  public void testExpectedTypeFromOuterArrayCreation() throws Exception {
+    doTest(LanguageLevel.JDK_1_7, JavaSdkVersion.JDK_1_7, false);
+  }
+
   public void testJavaUtilCollections_NoVerify() throws Exception {
     PsiClass collectionsClass = getJavaFacade().findClass("java.util.Collections", GlobalSearchScope.moduleWithLibrariesScope(getModule()));
     assertNotNull(collectionsClass);