takeWhile supported

idea/testData/intentions/loopToCallChain/takeWhile.kt

@@ -0,0 +1,8 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with '+= takeWhile{}'"
+fun foo(list: List<String>, target: MutableCollection<String>) {
+    <caret>for (s in list) {
+        if (s.isEmpty()) break
+        target.add(s)
+    }
+}

idea/testData/intentions/loopToCallChain/takeWhile.kt.after

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with '+= takeWhile{}'"
+fun foo(list: List<String>, target: MutableCollection<String>) {
+    <caret>target += list.takeWhile { !it.isEmpty() }
+}

idea/testData/intentions/loopToCallChain/takeWhile_nestedLoop.kt

@@ -0,0 +1,11 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with '+= flatMap{}.takeWhile{}'"
+fun foo(list: List<String>, target: MutableCollection<Int>) {
+    Outer@
+    <caret>for (s in list) {
+        for (i in s.indices) {
+            if (i > 1000) break@Outer
+            target.add(i)
+        }
+    }
+}

idea/testData/intentions/loopToCallChain/takeWhile_nestedLoop.kt.after

@@ -0,0 +1,7 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with '+= flatMap{}.takeWhile{}'"
+fun foo(list: List<String>, target: MutableCollection<Int>) {
+    <caret>target += list
+            .flatMap { it.indices }
+            .takeWhile { it <= 1000 }
+}

idea/testData/intentions/loopToCallChain/takeWhile_wrongBreak.kt

@@ -0,0 +1,10 @@
+// WITH_RUNTIME
+// IS_APPLICABLE: false
+fun foo(list: List<String>, target: MutableCollection<Int>) {
+    <caret>for (s in list) {
+        for (i in s.indices) {
+            if (i > 1000) break
+            target.add(i)
+        }
+    }
+}