Introduce quick-fix adding label to 'return' in closures #KT-16851 Fixed

idea/testData/quickfix/changeToLabeledReturn/multipleInner.kt

@@ -0,0 +1,17 @@
+// "Change to 'return@forEach'" "true"
+// ACTION: Change to 'return@foo'
+// ACTION: Introduce local variable
+// ERROR: The integer literal does not conform to the expected type Unit
+// WITH_RUNTIME
+
+fun foo(f:()->Int){}
+
+fun bar() {
+
+    foo {
+        listOf(1).forEach {
+            return<caret> 1
+        }
+        return@foo 1
+    }
+}

idea/testData/quickfix/changeToLabeledReturn/multipleInner.kt.after

@@ -0,0 +1,17 @@
+// "Change to 'return@forEach'" "true"
+// ACTION: Change to 'return@foo'
+// ACTION: Introduce local variable
+// ERROR: The integer literal does not conform to the expected type Unit
+// WITH_RUNTIME
+
+fun foo(f:()->Int){}
+
+fun bar() {
+
+    foo {
+        listOf(1).forEach {
+            return@forEach 1
+        }
+        return@foo 1
+    }
+}

idea/testData/quickfix/changeToLabeledReturn/multipleOuter.kt

@@ -0,0 +1,16 @@
+// "Change to 'return@foo'" "true"
+// ACTION: Change to 'return@forEach'
+// ACTION: Introduce local variable
+// WITH_RUNTIME
+
+fun foo(f:()->Int){}
+
+fun bar() {
+
+    foo {
+        listOf(1).forEach {
+            return<caret> 1
+        }
+        return@foo 1
+    }
+}

idea/testData/quickfix/changeToLabeledReturn/multipleOuter.kt.after

@@ -0,0 +1,16 @@
+// "Change to 'return@foo'" "true"
+// ACTION: Change to 'return@forEach'
+// ACTION: Introduce local variable
+// WITH_RUNTIME
+
+fun foo(f:()->Int){}
+
+fun bar() {
+
+    foo {
+        listOf(1).forEach {
+            return@foo 1
+        }
+        return@foo 1
+    }
+}

idea/testData/quickfix/changeToLabeledReturn/noCandidates.kt

@@ -0,0 +1,10 @@
+// "Change to 'return@init'" "false"
+// ACTION: Introduce local variable
+// ERROR: 'return' is not allowed here
+// WITH_RUNTIME
+
+class Foo {
+    init {
+        return<caret> 1
+    }
+}

idea/testData/quickfix/changeToLabeledReturn/normal.kt

@@ -0,0 +1,9 @@
+// "Change to 'return@foo'" "true"
+
+fun foo(f:()->Int){}
+
+fun bar() {
+    foo {
+        return<caret> 1
+    }
+}

idea/testData/quickfix/changeToLabeledReturn/normal.kt.after

@@ -0,0 +1,9 @@
+// "Change to 'return@foo'" "true"
+
+fun foo(f:()->Int){}
+
+fun bar() {
+    foo {
+        return@foo 1
+    }
+}