From 6a140fb9ed2e976f7e3c35a9d077fe9079f9acd6 Mon Sep 17 00:00:00 2001
From: Toshiaki Kameyama <kmymtsak@gmail.com>
Date: Tue, 19 Jun 2018 12:02:30 +0900
Subject: [PATCH] "Useless call on collection type" inspection: Apply to
 'kotlin.sequences.orEmpty'

---
 .../collections/UselessCallOnNotNullInspection.kt            | 1 +
 .../collections/uselessCallOnNotNull/Sequence.kt             | 5 +++++
 .../collections/uselessCallOnNotNull/Sequence.kt.after       | 5 +++++
 .../idea/inspections/LocalInspectionTestGenerated.java       | 5 +++++
 4 files changed, 16 insertions(+)
 create mode 100644 idea/testData/inspectionsLocal/collections/uselessCallOnNotNull/Sequence.kt
 create mode 100644 idea/testData/inspectionsLocal/collections/uselessCallOnNotNull/Sequence.kt.after

diff --git a/idea/src/org/jetbrains/kotlin/idea/inspections/collections/UselessCallOnNotNullInspection.kt b/idea/src/org/jetbrains/kotlin/idea/inspections/collections/UselessCallOnNotNullInspection.kt
index 170309c03f2..b6de250f95a 100644
--- a/idea/src/org/jetbrains/kotlin/idea/inspections/collections/UselessCallOnNotNullInspection.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/inspections/collections/UselessCallOnNotNullInspection.kt
@@ -31,6 +31,7 @@ import org.jetbrains.kotlin.types.TypeUtils
 
 class UselessCallOnNotNullInspection : AbstractUselessCallInspection() {
     override val uselessFqNames = mapOf("kotlin.collections.orEmpty" to deleteConversion,
+                                        "kotlin.sequences.orEmpty" to deleteConversion,
                                         "kotlin.text.orEmpty" to deleteConversion,
                                         "kotlin.text.isNullOrEmpty" to Conversion("isEmpty"),
                                         "kotlin.text.isNullOrBlank" to Conversion("isBlank"))
diff --git a/idea/testData/inspectionsLocal/collections/uselessCallOnNotNull/Sequence.kt b/idea/testData/inspectionsLocal/collections/uselessCallOnNotNull/Sequence.kt
new file mode 100644
index 00000000000..655f12a83d0
--- /dev/null
+++ b/idea/testData/inspectionsLocal/collections/uselessCallOnNotNull/Sequence.kt
@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+fun test(s: Sequence<Int>) {
+    val foo = s<caret>.orEmpty()
+}
\ No newline at end of file
diff --git a/idea/testData/inspectionsLocal/collections/uselessCallOnNotNull/Sequence.kt.after b/idea/testData/inspectionsLocal/collections/uselessCallOnNotNull/Sequence.kt.after
new file mode 100644
index 00000000000..de8846437ef
--- /dev/null
+++ b/idea/testData/inspectionsLocal/collections/uselessCallOnNotNull/Sequence.kt.after
@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+fun test(s: Sequence<Int>) {
+    val foo = s
+}
\ 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 24c3d5d183c..144225396f3 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java
+++ b/idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java
@@ -1284,6 +1284,11 @@ public class LocalInspectionTestGenerated extends AbstractLocalInspectionTest {
                 runTest("idea/testData/inspectionsLocal/collections/uselessCallOnNotNull/SafeCall.kt");
             }
 
+            @TestMetadata("Sequence.kt")
+            public void testSequence() throws Exception {
+                runTest("idea/testData/inspectionsLocal/collections/uselessCallOnNotNull/Sequence.kt");
+            }
+
             @TestMetadata("String.kt")
             public void testString() throws Exception {
                 runTest("idea/testData/inspectionsLocal/collections/uselessCallOnNotNull/String.kt");