[K/JS] Prepare JS Plain Objects plugin to publication

plugins/js-plain-objects/compiler-plugin/testData/box/copy.kt

@@ -0,0 +1,25 @@
+package foo
+
+import kotlinx.js.JsPlainObject
+
+@JsPlainObject
+external interface User {
+    var name: String
+    val age: Int
+}
+
+fun box(): String {
+    val user = User(name = "Name", age = 10)
+    val copy = user.copy(age = 11)
+
+    if (copy === user) return "Fail: mutation instead of immutable copy"
+
+    val json = js("JSON.stringify(copy)")
+
+    if (copy.name != "Name") return "Fail: problem with copied `name` property"
+    if (copy.age != 11) return "Fail: problem with copied `age` property"
+
+    if (json != "{\"age\":11,\"name\":\"Name\"}") return "Fail: got the next json for the copy: $json"
+
+    return "OK"
+}

plugins/js-plain-objects/compiler-plugin/testData/box/optional.kt

@@ -0,0 +1,31 @@
+package foo
+
+import kotlinx.js.JsPlainObject
+
+@JsPlainObject
+external interface User {
+    var name: String
+    val age: Int
+    val email: String?
+}
+
+fun box(): String {
+    val user = User(name = "Name", age = 10)
+
+    if (user.name != "Name") return "Fail: problem with `name` property"
+    if (user.age != 10) return "Fail: problem with `age` property"
+
+    val json = js("JSON.stringify(user)")
+    if (json != "{\"email\":null,\"age\":10,\"name\":\"Name\"}") return "Fail: got the next json: $json"
+
+    val withEmail = User(name = "Name", age = 10, email = "test@test")
+
+    if (withEmail.name != "Name") return "Fail: problem with emailed `name` property"
+    if (withEmail.age != 10) return "Fail: problem with emailed `age` property"
+    if (withEmail.email != "test@test") return "Fail: problem with emailed `email` property"
+
+    val jsonWithEmail = js("JSON.stringify(withEmail)")
+    if (jsonWithEmail != "{\"email\":\"test@test\",\"age\":10,\"name\":\"Name\"}") return "Fail: got the next emailed json: $jsonWithEmail"
+
+    return "OK"
+}

plugins/js-plain-objects/compiler-plugin/testData/box/simple.kt

@@ -0,0 +1,21 @@
+package foo
+
+import kotlinx.js.JsPlainObject
+
+@JsPlainObject
+external interface User {
+    var name: String
+    val age: Int
+}
+
+fun box(): String {
+    val user = User(name = "Name", age = 10)
+
+    if (user.name != "Name") return "Fail: problem with `name` property"
+    if (user.age != 10) return "Fail: problem with `age` property"
+
+    val json = js("JSON.stringify(user)")
+    if (json != "{\"age\":10,\"name\":\"Name\"}") return "Fail: got the next json: $json"
+
+    return "OK"
+}

plugins/js-plain-objects/compiler-plugin/testData/box/with-inheritance.kt

@@ -0,0 +1,28 @@
+package foo
+
+import kotlinx.js.JsPlainObject
+
+@JsPlainObject
+external interface User {
+    var name: String
+    val age: Int
+}
+
+@JsPlainObject
+external interface ExtendedUser : User {
+    val email: String
+}
+
+
+fun box(): String {
+    val user = ExtendedUser(name = "Name", age = 10, email = "test@test")
+
+    if (user.name != "Name") return "Fail: problem with `name` property"
+    if (user.age != 10) return "Fail: problem with `age` property"
+    if (user.email != "test@test") return "Fail: problem with `email` property"
+
+    val json = js("JSON.stringify(user)")
+    if (json != "{\"age\":10,\"name\":\"Name\",\"email\":\"test@test\"}") return "Fail: got the next json: $json"
+
+    return "OK"
+}

plugins/js-plain-objects/compiler-plugin/testData/box/with-multiple-inheritance.kt

@@ -0,0 +1,33 @@
+package foo
+
+import kotlinx.js.JsPlainObject
+
+@JsPlainObject
+external interface User {
+    var name: String
+    val age: Int
+}
+
+@JsPlainObject
+external interface Role {
+    val role: String
+}
+
+@JsPlainObject
+external interface ExtendedUser : User, Role {
+    val email: String
+}
+
+fun box(): String {
+    val user = ExtendedUser(name = "Name", age = 10, email = "test@test", role = "Admin")
+
+    if (user.name != "Name") return "Fail: problem with `name` property"
+    if (user.age != 10) return "Fail: problem with `age` property"
+    if (user.email != "test@test") return "Fail: problem with `email` property"
+    if (user.role != "Admin") return "Fail: problem with `role` property"
+
+    val json = js("JSON.stringify(user)")
+    if (json != "{\"age\":10,\"name\":\"Name\",\"role\":\"Admin\",\"email\":\"test@test\"}") return "Fail: got the next json: $json"
+
+    return "OK"
+}