From fcbb18d8769bb53a2e48662e037470fda6ae0658 Mon Sep 17 00:00:00 2001
From: Alexey Sedunov <alexey.sedunov@jetbrains.com>
Date: Wed, 27 Jan 2016 13:46:46 +0300
Subject: [PATCH] Generate equals()/hashCode(): Forbid in interfaces  #KT-10815
 Fixed

---
 .../generate/KotlinGenerateEqualsAndHashcodeAction.kt        | 5 ++++-
 .../codeInsight/generate/equalsWithHashCode/interface.kt     | 4 +---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/idea/src/org/jetbrains/kotlin/idea/actions/generate/KotlinGenerateEqualsAndHashcodeAction.kt b/idea/src/org/jetbrains/kotlin/idea/actions/generate/KotlinGenerateEqualsAndHashcodeAction.kt
index 8b66d8df2b6..a91ae7e49a5 100644
--- a/idea/src/org/jetbrains/kotlin/idea/actions/generate/KotlinGenerateEqualsAndHashcodeAction.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/actions/generate/KotlinGenerateEqualsAndHashcodeAction.kt
@@ -69,7 +69,10 @@ class KotlinGenerateEqualsAndHashcodeAction : KotlinGenerateMemberActionBase<Kot
     )
 
     override fun isValidForClass(targetClass: KtClassOrObject): Boolean {
-        return targetClass is KtClass && targetClass !is KtEnumEntry && !targetClass.isAnnotation()
+        return targetClass is KtClass
+               && targetClass !is KtEnumEntry
+               && !targetClass.isAnnotation()
+               && !targetClass.isInterface()
                && !targetClass.hasModifier(KtTokens.DATA_KEYWORD)
                && getPropertiesToUseInGeneratedMember(targetClass).isNotEmpty()
     }
diff --git a/idea/testData/codeInsight/generate/equalsWithHashCode/interface.kt b/idea/testData/codeInsight/generate/equalsWithHashCode/interface.kt
index f430c6033fc..45422cf23a6 100644
--- a/idea/testData/codeInsight/generate/equalsWithHashCode/interface.kt
+++ b/idea/testData/codeInsight/generate/equalsWithHashCode/interface.kt
@@ -1,6 +1,4 @@
 // NOT_APPLICABLE
 interface A {<caret>
-    fun foo() {
-
-    }
+    val foo: Int
 }
\ No newline at end of file