From 905d0c10167c8711d4db16a7ecfdefaf64b4c615 Mon Sep 17 00:00:00 2001
From: Toshiaki Kameyama <kmymtsak@gmail.com>
Date: Wed, 29 Jan 2020 16:15:19 +0900
Subject: [PATCH] Unused symbol: do not report for @JsName annotated
 declarations

#KT-17368 Fixed
---
 .../idea/inspections/UnusedSymbolInspection.kt       |  2 +-
 .../testData/inspectionsLocal/unusedSymbol/jsName.kt | 12 ++++++++++++
 .../inspections/LocalInspectionTestGenerated.java    |  5 +++++
 3 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 idea/testData/inspectionsLocal/unusedSymbol/jsName.kt

diff --git a/idea/src/org/jetbrains/kotlin/idea/inspections/UnusedSymbolInspection.kt b/idea/src/org/jetbrains/kotlin/idea/inspections/UnusedSymbolInspection.kt
index dfea43cdcf4..0d9a5566b3c 100644
--- a/idea/src/org/jetbrains/kotlin/idea/inspections/UnusedSymbolInspection.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/inspections/UnusedSymbolInspection.kt
@@ -98,7 +98,7 @@ class UnusedSymbolInspection : AbstractKotlinInspection() {
 
         private val javaInspection = UnusedDeclarationInspection()
 
-        private val KOTLIN_ADDITIONAL_ANNOTATIONS = listOf("kotlin.test.*")
+        private val KOTLIN_ADDITIONAL_ANNOTATIONS = listOf("kotlin.test.*", "kotlin.js.JsName")
 
         private val KOTLIN_BUILTIN_ENUM_FUNCTIONS = listOf(FqName("kotlin.enumValues"), FqName("kotlin.enumValueOf"))
 
diff --git a/idea/testData/inspectionsLocal/unusedSymbol/jsName.kt b/idea/testData/inspectionsLocal/unusedSymbol/jsName.kt
new file mode 100644
index 00000000000..7889c682435
--- /dev/null
+++ b/idea/testData/inspectionsLocal/unusedSymbol/jsName.kt
@@ -0,0 +1,12 @@
+// PROBLEM: none
+// JS
+class Person(val name: String) {
+    fun hello() {
+        println("Hello $name!")
+    }
+
+    @JsName("helloWithGreeting")
+    fun <caret>hello(greeting: String) {
+        println("$greeting $name!")
+    }
+}
\ No newline at end of file
diff --git a/idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java b/idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java
index ff4b28b277c..6ed77b40014 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java
+++ b/idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java
@@ -13521,6 +13521,11 @@ public class LocalInspectionTestGenerated extends AbstractLocalInspectionTest {
             runTest("idea/testData/inspectionsLocal/unusedSymbol/internal.kt");
         }
 
+        @TestMetadata("jsName.kt")
+        public void testJsName() throws Exception {
+            runTest("idea/testData/inspectionsLocal/unusedSymbol/jsName.kt");
+        }
+
         @TestMetadata("propertyOfInlineClassType.kt")
         public void testPropertyOfInlineClassType() throws Exception {
             runTest("idea/testData/inspectionsLocal/unusedSymbol/propertyOfInlineClassType.kt");