[Tests] Test samples from KEEP

2021-09-06 18:43:33 +07:00
parent b0a7be72e8
commit d8faa9686d
50 changed files with 1077 additions and 51 deletions
@@ -0,0 +1,33 @@
+// FIR_IDENTICAL
+class File(name: String)
+interface InputStream
+
+interface AutoCloseScope {
+    fun defer(closeBlock: () -> Unit)
+    fun close()
+}
+class AutoCloseScopeImpl : AutoCloseScope {
+    override fun defer(closeBlock: () -> Unit) = TODO()
+    override fun close() = TODO()
+}
+
+context(AutoCloseScope)
+fun File.open(): InputStream = TODO()
+
+fun withAutoClose(block: context(AutoCloseScope) () -> Unit) {
+    val scope = AutoCloseScopeImpl() // Not shown here
+    try {
+        with(scope) { block() }
+    } finally {
+        scope.close()
+    }
+}
+
+fun test() {
+    withAutoClose {
+        val input = File("input.txt").open()
+        val config = File("config.txt").open()
+        // Work
+        // All files are closed at the end
+    }
+}
@@ -0,0 +1,35 @@
+package
+
+public fun test(): kotlin.Unit
+public fun withAutoClose(/*0*/ block: @kotlin.ContextFunctionTypeParams(count = 1) () -> kotlin.Unit): kotlin.Unit
+public fun File.open(): InputStream
+
+public interface AutoCloseScope {
+    public abstract fun close(): kotlin.Unit
+    public abstract fun defer(/*0*/ closeBlock: () -> kotlin.Unit): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class AutoCloseScopeImpl : AutoCloseScope {
+    public constructor AutoCloseScopeImpl()
+    public open override /*1*/ fun close(): kotlin.Nothing
+    public open override /*1*/ fun defer(/*0*/ closeBlock: () -> kotlin.Unit): kotlin.Nothing
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class File {
+    public constructor File(/*0*/ name: kotlin.String)
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface InputStream {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
@@ -0,0 +1,17 @@
+// FIR_IDENTICAL
+
+interface Canvas
+
+interface Shape {
+    context(Canvas)
+    fun draw(): Unit
+}
+
+class Circle : Shape {
+    context(Canvas)
+    override fun draw() {}
+}
+
+object MyCanvas : Canvas
+
+fun test() = with(MyCanvas) { Circle().draw() }
@@ -0,0 +1,31 @@
+package
+
+public fun test(): kotlin.Unit
+
+public interface Canvas {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class Circle : Shape {
+    public constructor Circle()
+    public open override /*1*/ fun draw(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public object MyCanvas : Canvas {
+    private constructor MyCanvas()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface Shape {
+    public abstract fun draw(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
@@ -0,0 +1,16 @@
+data class Pair<A, B>(val first: A, val second: B)
+
+context(Comparator<T>)
+infix <!INAPPLICABLE_OPERATOR_MODIFIER!>operator<!> fun <T> T.compareTo(other: T) = <!UNRESOLVED_REFERENCE!>compare<!>(this, other)
+
+context(Comparator<T>)
+val <T> Pair<T, T>.max get() = if (first > second) first else second
+
+fun test() {
+    val comparator = Comparator<String> { a, b ->
+        if (a == null || b == null) 0 else a.length.compareTo(b.length)
+    }
+    with(comparator) {
+        Pair("OK", "fail").max
+    }
+}
@@ -0,0 +1,16 @@
+data class Pair<A, B>(val first: A, val second: B)
+
+context(Comparator<T>)
+infix operator fun <T> T.compareTo(other: T) = compare(this, other)
+
+context(Comparator<T>)
+val <T> Pair<T, T>.max get() = if (first > second) first else second
+
+fun test() {
+    val comparator = Comparator<String> { a, b ->
+        if (a == null || b == null) 0 else a.length.compareTo(b.length)
+    }
+    with(comparator) {
+        Pair("OK", "fail").max
+    }
+}
@@ -0,0 +1,17 @@
+package
+
+public val </*0*/ T> Pair<T, T>.max: T
+public fun test(): kotlin.Unit
+public infix operator fun </*0*/ T> T.compareTo(/*0*/ other: T): kotlin.Int
+
+public final data class Pair</*0*/ A, /*1*/ B> {
+    public constructor Pair</*0*/ A, /*1*/ B>(/*0*/ first: A, /*1*/ second: B)
+    public final val first: A
+    public final val second: B
+    public final operator /*synthesized*/ fun component1(): A
+    public final operator /*synthesized*/ fun component2(): B
+    public final /*synthesized*/ fun copy(/*0*/ first: A = ..., /*1*/ second: B = ...): Pair<A, B>
+    public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+}
@@ -0,0 +1,11 @@
+// WITH_RUNTIME
+
+fun List<Int>.decimateEveryEvenThird() = <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>sequence<!> {
+    var counter = 1
+    for (e in <!ITERATOR_AMBIGUITY!>this<!UNRESOLVED_LABEL!>@List<!><!>) {
+        if (e <!NONE_APPLICABLE!>%<!> 2 == 0 && counter % 3 == 0) {
+            yield(e)
+        }
+        counter += 1
+    }
+}
@@ -0,0 +1,11 @@
+// WITH_RUNTIME
+
+fun List<Int>.decimateEveryEvenThird() = sequence {
+    var counter = 1
+    for (e in this@List) {
+        if (e % 2 == 0 && counter % 3 == 0) {
+            yield(e)
+        }
+        counter += 1
+    }
+}
@@ -0,0 +1,3 @@
+package
+
+public fun kotlin.collections.List<kotlin.Int>.decimateEveryEvenThird(): kotlin.sequences.Sequence<kotlin.Int>
@@ -0,0 +1,16 @@
+typealias IterableClass<C, T> = (C) -> Iterator<T>
+
+context(IterableClass<C, T>)
+fun <C, T> C.iterator(any: Any?): Iterator<T> = this<!UNRESOLVED_LABEL!>@IterableClass<!>.invoke(this)
+
+fun <T> listOf(vararg items: T): List<T> = null!!
+
+fun test() {
+    val f: IterableClass<List<Int>, Int> = {
+        it.listIterator()
+    }
+    <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER, NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>with<!>(f) {
+        listOf(1, 2, 3).iterator(null)
+    }
+    listOf(1, 2, 3).<!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>iterator<!>(null)
+}
@@ -0,0 +1,16 @@
+typealias IterableClass<C, T> = (C) -> Iterator<T>
+
+context(IterableClass<C, T>)
+fun <C, T> C.iterator(any: Any?): Iterator<T> = this@IterableClass.invoke(this)
+
+fun <T> listOf(vararg items: T): List<T> = null!!
+
+fun test() {
+    val f: IterableClass<List<Int>, Int> = {
+        it.listIterator()
+    }
+    with(f) {
+        listOf(1, 2, 3).iterator(null)
+    }
+    listOf(1, 2, 3).<!NO_CONTEXT_RECEIVER!><!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>iterator<!>(null)<!>
+}
@@ -0,0 +1,6 @@
+package
+
+public fun </*0*/ T> listOf(/*0*/ vararg items: T /*kotlin.Array<out T>*/): kotlin.collections.List<T>
+public fun test(): kotlin.Unit
+public fun </*0*/ C, /*1*/ T> C.iterator(/*0*/ any: kotlin.Any?): kotlin.collections.Iterator<T>
+public typealias IterableClass</*0*/ C, /*1*/ T> = (C) -> kotlin.collections.Iterator<T>
@@ -0,0 +1,24 @@
+class JSONObject {
+    fun build(): JSONObject = TODO()
+
+    fun put(key: String, any: Any): Unit = TODO()
+}
+
+fun json(build: JSONObject.() -> Unit) = JSONObject().apply { build() }
+
+context(JSONObject)
+infix fun String.by(build: JSONObject.() -> Unit) = <!UNRESOLVED_REFERENCE!>put<!>(this, JSONObject().build())
+
+context(JSONObject)
+infix fun String.by(value: Any) = <!UNRESOLVED_REFERENCE!>put<!>(this, value)
+
+fun test() {
+    val json = json {
+        "name" by "Kotlin"
+        "age" by 10
+        "creator" by {
+            "name" by "JetBrains"
+            "age" by "21"
+        }
+    }
+}
@@ -0,0 +1,24 @@
+class JSONObject {
+    fun build(): JSONObject = TODO()
+
+    fun put(key: String, any: Any): Unit = TODO()
+}
+
+fun json(build: JSONObject.() -> Unit) = JSONObject().apply { build() }
+
+context(JSONObject)
+infix fun String.by(build: JSONObject.() -> Unit) = put(this, JSONObject().build())
+
+context(JSONObject)
+infix fun String.by(value: Any) = put(this, value)
+
+fun test() {
+    val json = json {
+        "name" by "Kotlin"
+        "age" by 10
+        "creator" by {
+            "name" by "JetBrains"
+            "age" by "21"
+        }
+    }
+}
@@ -0,0 +1,15 @@
+package
+
+public fun json(/*0*/ build: JSONObject.() -> kotlin.Unit): JSONObject
+public fun test(): kotlin.Unit
+public infix fun kotlin.String.by(/*0*/ build: JSONObject.() -> kotlin.Unit): kotlin.Unit
+public infix fun kotlin.String.by(/*0*/ value: kotlin.Any): kotlin.Unit
+
+public final class JSONObject {
+    public constructor JSONObject()
+    public final fun build(): JSONObject
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public final fun put(/*0*/ key: kotlin.String, /*1*/ any: kotlin.Any): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
@@ -0,0 +1,12 @@
+interface Params
+interface Logger {
+    fun info(message: String)
+}
+interface LoggingContext {
+    val log: Logger // this context provides reference to logger
+}
+
+context(LoggingContext)
+fun performSomeBusinessOperation(withParams: Params) {
+    <!UNRESOLVED_REFERENCE!>log<!>.info("Operation has started")
+}
@@ -0,0 +1,12 @@
+interface Params
+interface Logger {
+    fun info(message: String)
+}
+interface LoggingContext {
+    val log: Logger // this context provides reference to logger
+}
+
+context(LoggingContext)
+fun performSomeBusinessOperation(withParams: Params) {
+    log.info("Operation has started")
+}
@@ -0,0 +1,23 @@
+package
+
+public fun performSomeBusinessOperation(/*0*/ withParams: Params): kotlin.Unit
+
+public interface Logger {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public abstract fun info(/*0*/ message: kotlin.String): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface LoggingContext {
+    public abstract val log: Logger
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface Params {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
@@ -0,0 +1,32 @@
+interface Semigroup<T> {
+    infix fun T.combine(other: T): T
+}
+
+interface Monoid<T> : Semigroup<T> {
+    val unit: T
+}
+object IntMonoid : Monoid<Int> {
+    override fun Int.combine(other: Int): Int = this + other
+    override val unit: Int = 0
+}
+object StringMonoid : Monoid<String> {
+    override fun String.combine(other: String): String = this + other
+    override val unit: String = ""
+}
+
+public inline fun <T, R> Iterable<T>.fold(initial: R, operation: (acc: R, T) -> R): R = TODO()
+
+context(Monoid<T>)
+fun <T> List<T>.sum(): T = fold(<!ARGUMENT_TYPE_MISMATCH, UNRESOLVED_REFERENCE!>unit<!>) { acc, e -> acc.<!UNRESOLVED_REFERENCE!>combine<!>(e) }
+
+fun <T> listOf(vararg items: T): List<T> = null!!
+
+fun test() {
+    with(IntMonoid) {
+        listOf(1, 2, 3).sum()
+    }
+    with(StringMonoid) {
+        listOf(1, 2, 3).sum()
+        listOf("1", "2", "3").sum()
+    }
+}
@@ -0,0 +1,32 @@
+interface Semigroup<T> {
+    infix fun T.combine(other: T): T
+}
+
+interface Monoid<T> : Semigroup<T> {
+    val unit: T
+}
+object IntMonoid : Monoid<Int> {
+    override fun Int.combine(other: Int): Int = this + other
+    override val unit: Int = 0
+}
+object StringMonoid : Monoid<String> {
+    override fun String.combine(other: String): String = this + other
+    override val unit: String = ""
+}
+
+public inline fun <T, R> Iterable<T>.fold(initial: R, operation: (acc: R, T) -> R): R = TODO()
+
+context(Monoid<T>)
+fun <T> List<T>.sum(): T = fold(unit) { acc, e -> acc.combine(e) }
+
+fun <T> listOf(vararg items: T): List<T> = null!!
+
+fun test() {
+    with(IntMonoid) {
+        listOf(1, 2, 3).sum()
+    }
+    with(StringMonoid) {
+        listOf(1, 2, 3).<!NO_CONTEXT_RECEIVER!>sum()<!>
+        listOf("1", "2", "3").sum()
+    }
+}
@@ -0,0 +1,39 @@
+package
+
+public fun </*0*/ T> listOf(/*0*/ vararg items: T /*kotlin.Array<out T>*/): kotlin.collections.List<T>
+public fun test(): kotlin.Unit
+public inline fun </*0*/ T, /*1*/ R> kotlin.collections.Iterable<T>.fold(/*0*/ initial: R, /*1*/ operation: (acc: R, T) -> R): R
+public fun </*0*/ T> kotlin.collections.List<T>.sum(): T
+
+public object IntMonoid : Monoid<kotlin.Int> {
+    private constructor IntMonoid()
+    public open override /*1*/ val unit: kotlin.Int = 0
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    public open override /*1*/ fun kotlin.Int.combine(/*0*/ other: kotlin.Int): kotlin.Int
+}
+
+public interface Monoid</*0*/ T> : Semigroup<T> {
+    public abstract val unit: T
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    public abstract override /*1*/ /*fake_override*/ fun T.combine(/*0*/ other: T): T
+}
+
+public interface Semigroup</*0*/ T> {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    public abstract infix fun T.combine(/*0*/ other: T): T
+}
+
+public object StringMonoid : Monoid<kotlin.String> {
+    private constructor StringMonoid()
+    public open override /*1*/ val unit: kotlin.String = ""
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    public open override /*1*/ fun kotlin.String.combine(/*0*/ other: kotlin.String): kotlin.String
+}
@@ -0,0 +1,14 @@
+class Session(var lastAccess: Any?)
+interface Transaction {
+    fun loadSession(): Session
+    fun storeSession(session: Session)
+}
+
+fun now(): Any? = null
+
+context(Transaction)
+fun updateUserSession() {
+    val session = <!UNRESOLVED_REFERENCE!>loadSession<!>()
+    session.<!UNRESOLVED_REFERENCE!>lastAccess<!> = now()
+    <!UNRESOLVED_REFERENCE!>storeSession<!>(session)
+}
@@ -0,0 +1,14 @@
+class Session(var lastAccess: Any?)
+interface Transaction {
+    fun loadSession(): Session
+    fun storeSession(session: Session)
+}
+
+fun now(): Any? = null
+
+context(Transaction)
+fun updateUserSession() {
+    val session = loadSession()
+    session.lastAccess = now()
+    storeSession(session)
+}
@@ -0,0 +1,20 @@
+package
+
+public fun now(): kotlin.Any?
+public fun updateUserSession(): kotlin.Unit
+
+public final class Session {
+    public constructor Session(/*0*/ lastAccess: kotlin.Any?)
+    public final var lastAccess: kotlin.Any?
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface Transaction {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public abstract fun loadSession(): Session
+    public abstract fun storeSession(/*0*/ session: Session): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
@@ -0,0 +1,15 @@
+class Storage<T> {
+    inner class Info
+
+    fun info(name: String) = Info()
+}
+class User
+class Logger {
+    fun info(message: String) {}
+}
+
+context(Logger, Storage<User>)
+fun userInfo(name: String): Storage<User>.Info? {
+    this<!UNRESOLVED_LABEL!>@Logger<!>.info("Retrieving info about $name")
+    return this<!UNRESOLVED_LABEL!>@Storage<!>.info(name)
+}
@@ -0,0 +1,15 @@
+class Storage<T> {
+    inner class Info
+
+    fun info(name: String) = Info()
+}
+class User
+class Logger {
+    fun info(message: String) {}
+}
+
+context(Logger, Storage<User>)
+fun userInfo(name: String): Storage<User>.Info? {
+    this@Logger.info("Retrieving info about $name")
+    return this@Storage.info(name)
+}
@@ -0,0 +1,33 @@
+package
+
+public fun userInfo(/*0*/ name: kotlin.String): Storage<User>.Info?
+
+public final class Logger {
+    public constructor Logger()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public final fun info(/*0*/ message: kotlin.String): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class Storage</*0*/ T> {
+    public constructor Storage</*0*/ T>()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public final fun info(/*0*/ name: kotlin.String): Storage<T>.Info
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    public final inner class Info /*captured type parameters: /*0*/ T*/ {
+        public constructor Info()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}
+
+public final class User {
+    public constructor User()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}