Groupped tests by folders

idea/testData/intentions/loopToCallChain/firstOrNull/assignmentInitialization.kt

@@ -0,0 +1,14 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    var result: String? = ""
+
+    result = null
+    <caret>for (s in list) {
+        if (s.length > 0) {
+            result = s
+            break
+        }
+    }
+}

idea/testData/intentions/loopToCallChain/firstOrNull/assignmentInitialization.kt.after

@@ -0,0 +1,8 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    var result: String? = ""
+
+    <caret>result = list.firstOrNull { it.length > 0 }
+}

idea/testData/intentions/loopToCallChain/firstOrNull/cannotUseLet.kt

@@ -0,0 +1,14 @@
+// WITH_RUNTIME
+// IS_APPLICABLE: false
+// IS_APPLICABLE_2: false
+fun foo(list: List<String?>) {
+    var result: String? = null
+    <caret>for (s in list) {
+        if (s != null && s.length > 0) {
+            result = bar(s)
+            break
+        }
+    }
+}
+
+fun bar(s: String?): String? = s

idea/testData/intentions/loopToCallChain/firstOrNull/ifAssign.kt

@@ -0,0 +1,12 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    var result: String? = null
+    <caret>for (s in list) {
+        if (s.length > 0) {
+            result = s
+            break
+        }
+    }
+}

idea/testData/intentions/loopToCallChain/firstOrNull/ifAssign.kt.after

@@ -0,0 +1,6 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    val <caret>result: String? = list.firstOrNull { it.length > 0 }
+}

idea/testData/intentions/loopToCallChain/firstOrNull/ifAssign_breakWithLabel.kt

@@ -0,0 +1,17 @@
+// WITH_RUNTIME
+// IS_APPLICABLE: false
+// IS_APPLICABLE_2: false
+fun foo() {
+    MainLoop@
+    for (i in 1..10) {
+        var result: String? = null
+        <caret>for (s in list()) {
+            if (s.length > 0) {
+                result = s
+                break@MainLoop
+            }
+        }
+    }
+}
+
+fun list(): List<String> = listOf()

idea/testData/intentions/loopToCallChain/firstOrNull/ifAssign_cannotBeVal.kt

@@ -0,0 +1,14 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    var result: String? = null
+    <caret>for (s in list) {
+        if (s.length > 0) {
+            result = s
+            break
+        }
+    }
+
+    result += "1"
+}

idea/testData/intentions/loopToCallChain/firstOrNull/ifAssign_cannotBeVal.kt.after

@@ -0,0 +1,8 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    var <caret>result: String? = list.firstOrNull { it.length > 0 }
+
+    result += "1"
+}

idea/testData/intentions/loopToCallChain/firstOrNull/ifAssign_preserveComments.kt

@@ -0,0 +1,12 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    var result: String? = null
+    <caret>for (s in list) { // search for first non-empty string in the list
+        if (s.length > 0) { // string should be non-empty
+            result = s // save it into result
+            break
+        }
+    }
+}

idea/testData/intentions/loopToCallChain/firstOrNull/ifAssign_preserveComments.kt.after

@@ -0,0 +1,10 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    // string should be non-empty
+    // save it into result
+    val result: String? = list.firstOrNull { // search for first non-empty string in the list
+        it.length > 0
+    }
+}

idea/testData/intentions/loopToCallChain/firstOrNull/ifAssign_variableUsedBefore.kt

@@ -0,0 +1,12 @@
+// WITH_RUNTIME
+// IS_APPLICABLE: false
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    var result: String? = null
+    <caret>for (s in list) {
+        if (s != result) {
+            result = s
+            break
+        }
+    }
+}

idea/testData/intentions/loopToCallChain/firstOrNull/ifReturn.kt

@@ -0,0 +1,11 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>): String? {
+    <caret>for (s in list) {
+        if (s.length > 0) {
+            return s
+        }
+    }
+    return null
+}

idea/testData/intentions/loopToCallChain/firstOrNull/ifReturn.kt.after

@@ -0,0 +1,6 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>): String? {
+    <caret>return list.firstOrNull { it.length > 0 }
+}

idea/testData/intentions/loopToCallChain/firstOrNull/let.kt

@@ -0,0 +1,14 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    var result: String? = null
+    <caret>for (s in list) {
+        if (s.length > 0) {
+            result = bar(s)
+            break
+        }
+    }
+}
+
+fun bar(s: String): String = s

idea/testData/intentions/loopToCallChain/firstOrNull/let.kt.after

@@ -0,0 +1,10 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    val <caret>result: String? = list
+            .firstOrNull { it.length > 0 }
+            ?.let { bar(it) }
+}
+
+fun bar(s: String): String = s

idea/testData/intentions/loopToCallChain/firstOrNull/let2.kt

@@ -0,0 +1,14 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    var result: String? = null
+    <caret>for (s in list) {
+        if (s.length > 0) {
+            result = s.substring(0, s.length - 1)
+            break
+        }
+    }
+}
+
+fun bar(s: String): String = s

idea/testData/intentions/loopToCallChain/firstOrNull/let2.kt.after

@@ -0,0 +1,10 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    val <caret>result: String? = list
+            .firstOrNull { it.length > 0 }
+            ?.let { it.substring(0, it.length - 1) }
+}
+
+fun bar(s: String): String = s

idea/testData/intentions/loopToCallChain/firstOrNull/letOrNotNull.kt

@@ -0,0 +1,14 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    var result = ""
+    <caret>for (s in list) {
+        if (s.length > 0) {
+            result = bar(s)
+            break
+        }
+    }
+}
+
+fun bar(s: String): String = s

idea/testData/intentions/loopToCallChain/firstOrNull/letOrNotNull.kt.after

@@ -0,0 +1,11 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>) {
+    val <caret>result = list
+            .firstOrNull { it.length > 0 }
+            ?.let { bar(it) }
+            ?: ""
+}
+
+fun bar(s: String): String = s

idea/testData/intentions/loopToCallChain/firstOrNull/return.kt

@@ -0,0 +1,9 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull()'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>): String? {
+    <caret>for (s in list) {
+        return s
+    }
+    return null
+}

idea/testData/intentions/loopToCallChain/firstOrNull/return.kt.after

@@ -0,0 +1,6 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull()'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>): String? {
+    <caret>return list.firstOrNull()
+}

idea/testData/intentions/loopToCallChain/firstOrNull/returnExpression.kt

@@ -0,0 +1,11 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>): Int? {
+    <caret>for (s in list) {
+        if (s.isNotEmpty()) {
+            return s.length
+        }
+    }
+    return null
+}

idea/testData/intentions/loopToCallChain/firstOrNull/returnExpression.kt.after

@@ -0,0 +1,8 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>): Int? {
+    <caret>return list
+            .firstOrNull { it.isNotEmpty() }
+            ?.length
+}

idea/testData/intentions/loopToCallChain/firstOrNull/returnExpressionOrNotNull.kt

@@ -0,0 +1,11 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>): Int {
+    <caret>for (s in list) {
+        if (s.isNotEmpty()) {
+            return s.length
+        }
+    }
+    return -1
+}

idea/testData/intentions/loopToCallChain/firstOrNull/returnExpressionOrNotNull.kt.after

@@ -0,0 +1,9 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>): Int {
+    <caret>return list
+            .firstOrNull { it.isNotEmpty() }
+            ?.length
+            ?: -1
+}

idea/testData/intentions/loopToCallChain/firstOrNull/returnNotNullIfNone.kt

@@ -0,0 +1,11 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>): String {
+    <caret>for (s in list) {
+        if (s.isNotEmpty()) {
+            return s
+        }
+    }
+    return ""
+}

idea/testData/intentions/loopToCallChain/firstOrNull/returnNotNullIfNone.kt.after

@@ -0,0 +1,7 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>): String {
+    <caret>return list.firstOrNull { it.isNotEmpty() }
+            ?: ""
+}

idea/testData/intentions/loopToCallChain/firstOrNull/returnNotNullIfNone2.kt

@@ -0,0 +1,11 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'filter{}.forEach{}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().filter{}.forEach{}'"
+fun foo(list: List<String?>): String? {
+    <caret>for (s in list) {
+        if (s == null || s.isNotEmpty()) {
+            return s
+        }
+    }
+    return ""
+}

idea/testData/intentions/loopToCallChain/firstOrNull/returnNotNullIfNone2.kt.after

@@ -0,0 +1,9 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'filter{}.forEach{}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().filter{}.forEach{}'"
+fun foo(list: List<String?>): String? {
+    list
+            .filter { it == null || it.isNotEmpty() }
+            .forEach { return it }
+    return ""
+}

idea/testData/intentions/loopToCallChain/firstOrNull/returnNotNullIfNone2.kt.after2

@@ -0,0 +1,10 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'filter{}.forEach{}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().filter{}.forEach{}'"
+fun foo(list: List<String?>): String? {
+    list
+            .asSequence()
+            .filter { it == null || it.isNotEmpty() }
+            .forEach { return it }
+    return ""
+}

idea/testData/intentions/loopToCallChain/firstOrNull/return_comment.kt

@@ -0,0 +1,10 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull()'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>): String? {
+    <caret>for (s in list) {
+        return s
+    }
+    // return null if not found
+    return null
+}

idea/testData/intentions/loopToCallChain/firstOrNull/return_comment.kt.after

@@ -0,0 +1,7 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull()'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>): String? {
+    // return null if not found
+    return list.firstOrNull()
+}

idea/testData/intentions/loopToCallChain/firstOrNull/safeDotExpression.kt

@@ -0,0 +1,12 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String?>) {
+    var result: String? = null
+    <caret>for (s in list) {
+        if (s != "") {
+            result = s?.substring(1)
+            break
+        }
+    }
+}

idea/testData/intentions/loopToCallChain/firstOrNull/safeDotExpression.kt.after

@@ -0,0 +1,8 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String?>) {
+    val <caret>result: String? = list
+            .firstOrNull { it != "" }
+            ?.substring(1)
+}

idea/testData/intentions/loopToCallChain/firstOrNull/withMergedFilter.kt

@@ -0,0 +1,13 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>): String? {
+    <caret>for (s in list) {
+        if (s.isEmpty()) continue
+        if (s.length < 10 && s != "abc") {
+            if (s == "def") continue
+            return s
+        }
+    }
+    return null
+}

idea/testData/intentions/loopToCallChain/firstOrNull/withMergedFilter.kt.after

@@ -0,0 +1,6 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'firstOrNull{}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String>): String? {
+    <caret>return list.firstOrNull { !it.isEmpty() && it.length < 10 && it != "abc" && it != "def" }
+}