Quick Fixes: Implement 'Initialize property' quick-fix

idea/testData/quickfix/addInitializer/localVar.kt

@@ -0,0 +1,4 @@
+// "class org.jetbrains.kotlin.idea.quickfix.InitializePropertyQuickFixFactory$AddInitializerFix" "false"
+fun test() {
+    <caret>val n: Int
+}

idea/testData/quickfix/addInitializer/memberExtensionProperty.kt

@@ -0,0 +1,9 @@
+// "class org.jetbrains.kotlin.idea.quickfix.InitializePropertyQuickFixFactory$AddInitializerFix" "false"
+// ACTION: Make internal
+// ACTION: Make private
+// ACTION: Make protected
+// ACTION: Make 'n' abstract
+// ERROR: Property must be initialized or be abstract
+class A {
+    <caret>val Int.n: Int
+}

idea/testData/quickfix/addInitializer/memberExtensionPropertyVarGetterOnly.kt

@@ -0,0 +1,9 @@
+// "class org.jetbrains.kotlin.idea.quickfix.InitializePropertyQuickFixFactory$AddInitializerFix" "false"
+// ACTION: Make internal
+// ACTION: Make private
+// ACTION: Make protected
+// ERROR: Property must be initialized
+class A {
+    <caret>var Int.n: Int
+        get() = 1
+}

idea/testData/quickfix/addInitializer/memberExtensionPropertyVarSetterOnly.kt

@@ -0,0 +1,9 @@
+// "class org.jetbrains.kotlin.idea.quickfix.InitializePropertyQuickFixFactory$AddInitializerFix" "false"
+// ACTION: Make internal
+// ACTION: Make private
+// ACTION: Make protected
+// ERROR: Property must be initialized
+class A {
+    <caret>var Int.n: Int
+        set(value: Int) {}
+}

idea/testData/quickfix/addInitializer/memberProperty.kt

@@ -0,0 +1,4 @@
+// "Add initializer" "true"
+class A {
+    <caret>val n: Int
+}

idea/testData/quickfix/addInitializer/memberProperty.kt.after

@@ -0,0 +1,4 @@
+// "Add initializer" "true"
+class A {
+    <caret>val n: Int = <selection>0</selection>
+}

idea/testData/quickfix/addInitializer/memberPropertyVarGetterOnly.kt

@@ -0,0 +1,5 @@
+// "Add initializer" "true"
+class A {
+    <caret>var n: Int
+        get() = 1
+}

idea/testData/quickfix/addInitializer/memberPropertyVarGetterOnly.kt.after

@@ -0,0 +1,5 @@
+// "Add initializer" "true"
+class A {
+    var n: Int = <selection>0</selection>
+        get() = 1
+}

idea/testData/quickfix/addInitializer/memberPropertyVarSetterOnly.kt

@@ -0,0 +1,5 @@
+// "Add initializer" "true"
+class A {
+    <caret>var n: Int
+        set(value: Int) {}
+}

idea/testData/quickfix/addInitializer/memberPropertyVarSetterOnly.kt.after

@@ -0,0 +1,5 @@
+// "Add initializer" "true"
+class A {
+    var n: Int = <selection>0</selection>
+        set(value: Int) {}
+}

idea/testData/quickfix/addInitializer/memberPropertyWithAccessor.kt

@@ -0,0 +1,8 @@
+// "class org.jetbrains.kotlin.idea.quickfix.InitializePropertyQuickFixFactory$AddInitializerFix" "false"
+// ACTION: Make internal
+// ACTION: Make private
+// ACTION: Make protected
+class A {
+    <caret>val n: Int
+        get() = 1
+}

idea/testData/quickfix/addInitializer/memberPropertyWithDelegateRuntime.kt

@@ -0,0 +1,7 @@
+// "class org.jetbrains.kotlin.idea.quickfix.InitializePropertyQuickFixFactory$AddInitializerFix" "false"
+// ACTION: Make internal
+// ACTION: Make private
+// ACTION: Make protected
+class A {
+    <caret>val n: Int by lazy { 0 }
+}

idea/testData/quickfix/addInitializer/topLevelExtensionProperty.kt

@@ -0,0 +1,5 @@
+// "class org.jetbrains.kotlin.idea.quickfix.InitializePropertyQuickFixFactory$AddInitializerFix" "false"
+// ACTION: Make internal
+// ACTION: Make private
+// ERROR: Property must be initialized
+<caret>val Int.n: Int

idea/testData/quickfix/addInitializer/topLevelExtensionPropertySetterOnly.kt

@@ -0,0 +1,5 @@
+// "class org.jetbrains.kotlin.idea.quickfix.InitializePropertyQuickFixFactory$AddInitializerFix" "false"
+// ACTION: Make internal
+// ACTION: Make private
+// ERROR: Property must be initialized
+<caret>val Int.n: Int

idea/testData/quickfix/addInitializer/topLevelProperty.kt

@@ -0,0 +1,2 @@
+// "Add initializer" "true"
+<caret>val n: Int

idea/testData/quickfix/addInitializer/topLevelProperty.kt.after

@@ -0,0 +1,2 @@
+// "Add initializer" "true"
+<caret>val n: Int = <selection>0</selection>

idea/testData/quickfix/addInitializer/topLevelPropertyVarGetterOnly.kt

@@ -0,0 +1,3 @@
+// "Add initializer" "true"
+<caret>var n: Int
+    get() = 1

idea/testData/quickfix/addInitializer/topLevelPropertyVarGetterOnly.kt.after

@@ -0,0 +1,3 @@
+// "Add initializer" "true"
+<caret>var n: Int = <selection>0</selection>
+    get() = 1

idea/testData/quickfix/addInitializer/topLevelPropertyVarSetterOnly.kt

@@ -0,0 +1,3 @@
+// "Add initializer" "true"
+<caret>var n: Int
+    set(value: Int) {}

idea/testData/quickfix/addInitializer/topLevelPropertyVarSetterOnly.kt.after

@@ -0,0 +1,3 @@
+// "Add initializer" "true"
+<caret>var n: Int = <selection>0</selection>
+    set(value: Int) {}

idea/testData/quickfix/addInitializer/topLevelPropertyWithDelegateRuntime.kt

@@ -0,0 +1,5 @@
+// "class org.jetbrains.kotlin.idea.quickfix.InitializePropertyQuickFixFactory$AddInitializerFix" "false"
+// WITH_RUNTIME
+// ACTION: Make internal
+// ACTION: Make private
+<caret>val n: Int by lazy { 0 }

idea/testData/quickfix/addInitializer/topLevelPropertyWithGetter.kt

@@ -0,0 +1,5 @@
+// "class org.jetbrains.kotlin.idea.quickfix.InitializePropertyQuickFixFactory$AddInitializerFix" "false"
+// ACTION: Make internal
+// ACTION: Make private
+<caret>val n: Int
+    get() = 1