Introduce Parameter: Remove parameters which become unused after occurrence replacement

idea/testData/refactoring/introduceParameter/classParameterUsedOutside.kt

@@ -0,0 +1,8 @@
+// TARGET:
+class A(val a: Int, s: String) {
+    fun foo() = (<selection>a + 1</selection>) * 2
+}
+
+fun test() {
+    val t = A(1, "2").a
+}

idea/testData/refactoring/introduceParameter/classParameterUsedOutside.kt.after

@@ -0,0 +1,8 @@
+// TARGET:
+class A(val a: Int, s: String, val i: Int = a + 1) {
+    fun foo() = (i) * 2
+}
+
+fun test() {
+    val t = A(1, "2").a
+}

idea/testData/refactoring/introduceParameter/classUnusedParameter.kt

@@ -0,0 +1,8 @@
+// TARGET:
+class A(val a: Int, s: String) {
+    fun foo() = (<selection>a + 1</selection>) * 2
+}
+
+fun test() {
+    A(1, "2")
+}

idea/testData/refactoring/introduceParameter/classUnusedParameter.kt.after

@@ -0,0 +1,8 @@
+// TARGET:
+class A(val a: Int, s: String, val i: Int = a + 1) {
+    fun foo() = (i) * 2
+}
+
+fun test() {
+    A(1, "2")
+}

idea/testData/refactoring/introduceParameter/classUsedParameter.kt

@@ -0,0 +1,10 @@
+// TARGET:
+class A(val a: Int, s: String) {
+    val x = a + 2
+
+    fun foo() = (<selection>a + 1</selection>) * 2
+}
+
+fun test() {
+    A(1, "2")
+}

idea/testData/refactoring/introduceParameter/classUsedParameter.kt.after

@@ -0,0 +1,10 @@
+// TARGET:
+class A(val a: Int, s: String, val i: Int = a + 1) {
+    val x = a + 2
+
+    fun foo() = (i) * 2
+}
+
+fun test() {
+    A(1, "2")
+}

idea/testData/refactoring/introduceParameter/functionMultipleUnusedParameters.kt

@@ -0,0 +1,7 @@
+fun foo(a: Int, s: String, b: Int): Int {
+    return (<selection>a + b</selection>) * 2
+}
+
+fun test() {
+    foo(1, "2", 3)
+}

idea/testData/refactoring/introduceParameter/functionMultipleUnusedParameters.kt.after

@@ -0,0 +1,7 @@
+fun foo(s: String, i: Int = a + b): Int {
+    return (i) * 2
+}
+
+fun test() {
+    foo("2")
+}

idea/testData/refactoring/introduceParameter/functionUnusedParameter.kt

@@ -0,0 +1,7 @@
+fun foo(a: Int, s: String): Int {
+    return (<selection>a + 1</selection>) * 2
+}
+
+fun test() {
+    foo(1, "2")
+}

idea/testData/refactoring/introduceParameter/functionUnusedParameter.kt.after

@@ -0,0 +1,7 @@
+fun foo(s: String, i: Int = a + 1): Int {
+    return (i) * 2
+}
+
+fun test() {
+    foo("2")
+}

idea/testData/refactoring/introduceParameter/functionUsedParameter.kt

@@ -0,0 +1,7 @@
+fun foo(a: Int, s: String): Int {
+    return (<selection>a + 1</selection>) * a
+}
+
+fun test() {
+    foo(1, "2")
+}

idea/testData/refactoring/introduceParameter/functionUsedParameter.kt.after

@@ -0,0 +1,7 @@
+fun foo(a: Int, s: String, i: Int = a + 1): Int {
+    return (i) * a
+}
+
+fun test() {
+    foo(1, "2")
+}