Quick fix for applying spread operator where vararg is expected #KT-6824 Fixed

idea/testData/quickfix/changeToUseSpreadOperator/differentTypeParameter.kt

@@ -0,0 +1,10 @@
+// "Change 'y' to '*y'" "false"
+// ACTION: Add 'toString()' call
+// ACTION: Change parameter 'x' type of function 'foo' to 'Array<Int>'
+// ACTION: Convert to block body
+// ACTION: Create function 'foo'
+// DISABLE-ERRORS
+
+fun foo(vararg x: String) {}
+
+fun bar(y: Array<Int>) = foo(y<caret>)

idea/testData/quickfix/changeToUseSpreadOperator/mapOf.kt

@@ -0,0 +1,8 @@
+// "Change 'pairs' to '*pairs'" "true"
+// WITH_RUNTIME
+
+fun <K, V> yourMapOf(vararg pairs: Pair<K, V>) {}
+
+fun myMapOf(vararg pairs: Pair<String,String>) {
+    val myMap = yourMapOf(<caret>pairs)
+}

idea/testData/quickfix/changeToUseSpreadOperator/mapOf.kt.after

@@ -0,0 +1,8 @@
+// "Change 'pairs' to '*pairs'" "true"
+// WITH_RUNTIME
+
+fun <K, V> yourMapOf(vararg pairs: Pair<K, V>) {}
+
+fun myMapOf(vararg pairs: Pair<String,String>) {
+    val myMap = yourMapOf(*pairs)
+}

idea/testData/quickfix/changeToUseSpreadOperator/mapOfBug.kt

@@ -0,0 +1,11 @@
+// "Change 'pairs' to '*pairs'" "false"
+// WITH_RUNTIME
+// ACTION: Create function 'mapOf'
+// ERROR: Type inference failed: fun <K, V> mapOf(pair: Pair<K, V>): Map<K, V><br>cannot be applied to<br>(Array<out Pair<String, String>>)<br>
+// ERROR: Type mismatch: inferred type is Array<out Pair<String, String>> but Pair<???, ???> was expected
+
+
+fun myMapOf(vararg pairs: Pair<String,String>) {
+    // Does not work due to KT-15593
+    val myMap = mapOf(<caret>pairs)
+}

idea/testData/quickfix/changeToUseSpreadOperator/multipleParams.kt

@@ -0,0 +1,5 @@
+// "Change 'array' to '*array'" "true"
+
+fun foo(a: String, vararg x: String, b: Int) {}
+
+fun bar(array: Array<String>) = foo("aaa", array<caret>, b = 1)

idea/testData/quickfix/changeToUseSpreadOperator/multipleParams.kt.after

@@ -0,0 +1,5 @@
+// "Change 'array' to '*array'" "true"
+
+fun foo(a: String, vararg x: String, b: Int) {}
+
+fun bar(array: Array<String>) = foo("aaa", *array, b = 1)

idea/testData/quickfix/changeToUseSpreadOperator/nonArray.kt

@@ -0,0 +1,12 @@
+// "Change 'y' to '*y'" "false"
+// ACTION: Add 'toString()' call
+// ACTION: Change parameter 'x' type of function 'foo' to 'List<String>'
+// ACTION: Convert to block body
+// ACTION: Create function 'foo'
+// DISABLE-ERRORS
+
+// Fix this test case if https://youtrack.jetbrains.com/issue/KT-12663 is implemented
+
+fun foo(vararg x: String) {}
+
+fun bar(y: List<String>) = foo(y<caret>)

idea/testData/quickfix/changeToUseSpreadOperator/nonVarArg.kt

@@ -0,0 +1,10 @@
+// "Change 'y' to '*y'" "false"
+// ACTION: Add 'toString()' call
+// ACTION: Change parameter 'x' type of function 'foo' to 'Array<String>'
+// ACTION: Convert to block body
+// ACTION: Create function 'foo'
+// ERROR: Type mismatch: inferred type is Array<String> but String was expected
+
+fun foo(x: String) {}
+
+fun bar(y: Array<String>) = foo(y<caret>)

idea/testData/quickfix/changeToUseSpreadOperator/normal.kt

@@ -0,0 +1,5 @@
+// "Change 'y' to '*y'" "true"
+
+fun foo(vararg x: String) {}
+
+fun bar(y: Array<String>) = foo(y<caret>)

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

@@ -0,0 +1,5 @@
+// "Change 'y' to '*y'" "true"
+
+fun foo(vararg x: String) {}
+
+fun bar(y: Array<String>) = foo(*y)

idea/testData/quickfix/changeToUseSpreadOperator/vararg.kt

@@ -0,0 +1,5 @@
+// "Change 'y' to '*y'" "true"
+
+fun foo(vararg x: String) {}
+
+fun bar(vararg y: String) = foo(y<caret>)

idea/testData/quickfix/changeToUseSpreadOperator/vararg.kt.after

@@ -0,0 +1,5 @@
+// "Change 'y' to '*y'" "true"
+
+fun foo(vararg x: String) {}
+
+fun bar(vararg y: String) = foo(*y)