Add quick fixes for SMARTCAST_IMPOSSIBLE in 'if' #KT-27184 Fixed

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThen.kt

@@ -0,0 +1,8 @@
+// "Replace 'if' expression with safe access expression" "true"
+class Test {
+    var x: String? = ""
+
+    fun test() {
+        if (x != null) <caret>x.length
+    }
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThen.kt.after

@@ -0,0 +1,8 @@
+// "Replace 'if' expression with safe access expression" "true"
+class Test {
+    var x: String? = ""
+
+    fun test() {
+        x?.length
+    }
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThen2.kt

@@ -0,0 +1,10 @@
+// "Replace 'if' expression with safe access expression" "true"
+class Test {
+    var x: String? = ""
+
+    fun test() {
+        if (x != null) {
+            <caret>x.length
+        }
+    }
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThen2.kt.after

@@ -0,0 +1,8 @@
+// "Replace 'if' expression with safe access expression" "true"
+class Test {
+    var x: String? = ""
+
+    fun test() {
+        x?.length
+    }
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThen3.kt

@@ -0,0 +1,11 @@
+// "Replace 'if' expression with safe access expression" "true"
+// WITH_RUNTIME
+class Test {
+    var x: String? = ""
+
+    fun test() {
+        if (x != null) foo(<caret>x)
+    }
+
+    fun foo(s: String) = 1
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThen3.kt.after

@@ -0,0 +1,11 @@
+// "Replace 'if' expression with safe access expression" "true"
+// WITH_RUNTIME
+class Test {
+    var x: String? = ""
+
+    fun test() {
+        x?.let { foo(it) }
+    }
+
+    fun foo(s: String) = 1
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThen4.kt

@@ -0,0 +1,8 @@
+// "Replace 'if' expression with safe access expression" "true"
+class Test {
+    var x: Any? = null
+
+    fun test() {
+        if (x is String) <caret>x.length
+    }
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThen4.kt.after

@@ -0,0 +1,8 @@
+// "Replace 'if' expression with safe access expression" "true"
+class Test {
+    var x: Any? = null
+
+    fun test() {
+        (x as? String)?.length
+    }
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThen5.kt

@@ -0,0 +1,11 @@
+// "Replace 'if' expression with safe access expression" "true"
+// WITH_RUNTIME
+class Test {
+    var x: Any? = null
+
+    fun test() {
+        if (x is String) foo(x<caret>)
+    }
+
+    fun foo(s: String) = 1
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThen5.kt.after

@@ -0,0 +1,11 @@
+// "Replace 'if' expression with safe access expression" "true"
+// WITH_RUNTIME
+class Test {
+    var x: Any? = null
+
+    fun test() {
+        (x as? String)?.let { foo(it) }
+    }
+
+    fun foo(s: String) = 1
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThenElse.kt

@@ -0,0 +1,8 @@
+// "Replace 'if' expression with elvis expression" "true"
+class Test {
+    var x: String? = ""
+
+    fun test() {
+        val i = if (x != null) <caret>x.length else 0
+    }
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThenElse.kt.after

@@ -0,0 +1,8 @@
+// "Replace 'if' expression with elvis expression" "true"
+class Test {
+    var x: String? = ""
+
+    fun test() {
+        val i = x?.length ?: 0
+    }
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThenElse2.kt

@@ -0,0 +1,12 @@
+// "Replace 'if' expression with elvis expression" "true"
+class Test {
+    var x: String? = ""
+
+    fun test() {
+        val i = if (x != null) {
+            <caret>x.length
+        } else {
+            0
+        }
+    }
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThenElse2.kt.after

@@ -0,0 +1,8 @@
+// "Replace 'if' expression with elvis expression" "true"
+class Test {
+    var x: String? = ""
+
+    fun test() {
+        val i = x?.length ?: 0
+    }
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThenElse3.kt

@@ -0,0 +1,13 @@
+// "Replace 'if' expression with elvis expression" "true"
+// WITH_RUNTIME
+class Test {
+    var x: String? = ""
+
+    fun test() {
+        val i = if (x != null) foo(<caret>x) else bar()
+    }
+
+    fun foo(s: String) = 1
+
+    fun bar() = 0
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThenElse3.kt.after

@@ -0,0 +1,13 @@
+// "Replace 'if' expression with elvis expression" "true"
+// WITH_RUNTIME
+class Test {
+    var x: String? = ""
+
+    fun test() {
+        val i = x?.let { foo(it) } ?: bar()
+    }
+
+    fun foo(s: String) = 1
+
+    fun bar() = 0
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThenElse4.kt

@@ -0,0 +1,8 @@
+// "Replace 'if' expression with elvis expression" "true"
+class Test {
+    var x: Any? = null
+
+    fun test() {
+        val i = if (x is String) <caret>x.length else 0
+    }
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThenElse4.kt.after

@@ -0,0 +1,8 @@
+// "Replace 'if' expression with elvis expression" "true"
+class Test {
+    var x: Any? = null
+
+    fun test() {
+        val i = (x as? String)?.length ?: 0
+    }
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThenElse5.kt

@@ -0,0 +1,13 @@
+// "Replace 'if' expression with elvis expression" "true"
+// WITH_RUNTIME
+class Test {
+    var x: Any? = null
+
+    fun test() {
+        val i = if (x is String) foo(<caret>x) else bar()
+    }
+
+    fun foo(s: String) = 1
+
+    fun bar() = 0
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThenElse5.kt.after

@@ -0,0 +1,13 @@
+// "Replace 'if' expression with elvis expression" "true"
+// WITH_RUNTIME
+class Test {
+    var x: Any? = null
+
+    fun test() {
+        val i = (x as? String)?.let { foo(it) } ?: bar()
+    }
+
+    fun foo(s: String) = 1
+
+    fun bar() = 0
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThenElseMultiStatement.kt

@@ -0,0 +1,18 @@
+// "Replace 'if' expression with elvis expression" "false"
+// ACTION: Add non-null asserted (!!) call
+// ACTION: Introduce local variable
+// DISABLE-ERRORS
+class Test {
+    var x: String? = ""
+
+    fun test() {
+        val i = if (x != null) {
+            bar()
+            <caret>x.length
+        } else {
+            0
+        }
+    }
+
+    fun bar() {}
+}

idea/testData/quickfix/smartCastImpossibleInIfThen/ifThenMultiStatement.kt

@@ -0,0 +1,16 @@
+// "Replace 'if' expression with safe access expression" "false"
+// ACTION: Add non-null asserted (!!) call
+// ACTION: Introduce local variable
+// DISABLE-ERRORS
+class Test {
+    var x: String? = ""
+
+    fun test() {
+        if (x != null) {
+            bar()
+            <caret>x.length
+        }
+    }
+
+    fun bar() {}
+}