From 00913bf0279916e237b83a0e5bf3da4309a4ee59 Mon Sep 17 00:00:00 2001
From: Dmitry Batkovich <dmitry.batkovich@jetbrains.com>
Date: Mon, 1 Apr 2019 17:29:45 +0300
Subject: [PATCH] deprecation inspection: do not suggest fix if method is not
 applicable IDEA-209685

---
 .../DeprecationInspectionBase.java            |  6 ++++++
 .../quickFix/beforeMismatchQualifier.java     | 21 +++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 java/java-tests/testData/inspection/deprecation/quickFix/beforeMismatchQualifier.java

diff --git a/java/java-analysis-impl/src/com/intellij/codeInspection/deprecation/DeprecationInspectionBase.java b/java/java-analysis-impl/src/com/intellij/codeInspection/deprecation/DeprecationInspectionBase.java
index 61552131005e..3d1a10924810 100644
--- a/java/java-analysis-impl/src/com/intellij/codeInspection/deprecation/DeprecationInspectionBase.java
+++ b/java/java-analysis-impl/src/com/intellij/codeInspection/deprecation/DeprecationInspectionBase.java
@@ -234,6 +234,12 @@ public abstract class DeprecationInspectionBase extends LocalInspectionTool {
     else {
       PsiExpression qualifierExpression = call.getMethodExpression().getQualifierExpression();
       qualifierText = qualifierExpression == null ? "" : qualifierExpression.getText() + ".";
+
+      PsiType qualifierType = ExpressionUtils.getQualifierOrThis(call.getMethodExpression()).getType();
+      PsiClass qualifierClass = PsiUtil.resolveClassInType(qualifierType);
+      if (qualifierClass == null) return false;
+      PsiClass suggestedClass = suggestedReplacement.getContainingClass();
+      if (suggestedClass == null || !InheritanceUtil.isInheritorOrSelf(qualifierClass, suggestedClass, true)) return false;
     }
 
     PsiElementFactory elementFactory = JavaPsiFacade.getElementFactory(initial.getProject());
diff --git a/java/java-tests/testData/inspection/deprecation/quickFix/beforeMismatchQualifier.java b/java/java-tests/testData/inspection/deprecation/quickFix/beforeMismatchQualifier.java
new file mode 100644
index 000000000000..9e6b26d0e643
--- /dev/null
+++ b/java/java-tests/testData/inspection/deprecation/quickFix/beforeMismatchQualifier.java
@@ -0,0 +1,21 @@
+// "Replace method call with Test2.mmm" "false"
+class Test {
+  static void example() {
+    Test t = new Test();
+    t.m<caret>mm();
+  }
+
+  /**
+   * {@link Test2#mmm()}
+   *
+   */
+  @Deprecated
+  void mmm() {
+  }
+
+}
+
+class Test2 {
+  void mmm() {
+  }
+}