KT-6081 Chained generic method calls: wrong type inference

#KT-6081 Fixed
2014-11-24 18:10:23 +03:00
parent 9c880de735
commit 724f2e6e7b
12 changed files with 295 additions and 17 deletions
@@ -0,0 +1,14 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+//KT-6081 Chained generic method calls: wrong type inference
+
+class Bar<T>
+
+fun bar<T>(): Bar<T> = null!!
+
+class Foo {
+    fun <R> add(bar: Bar<R>): Foo {return this}
+}
+
+fun doesNotWork(bi: Bar<Int>, bs: Bar<String>) {
+    Foo().add(bi).add(bs)
+}
@@ -0,0 +1,19 @@
+package
+
+internal fun </*0*/ T> bar(): Bar<T>
+internal fun doesNotWork(/*0*/ bi: Bar<kotlin.Int>, /*1*/ bs: Bar<kotlin.String>): kotlin.Unit
+
+internal final class Bar</*0*/ T> {
+    public constructor Bar</*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
+}
+
+internal final class Foo {
+    public constructor Foo()
+    internal final fun </*0*/ R> add(/*0*/ bar: Bar<R>): Foo
+    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 +1,10 @@
+class A<T> {
+    fun useT(t: T) = t
+
+    fun <U> newA(): A<U> = A()
+}
+
+fun test1() {
+    A<Int>().newA<String>().useT("")
+    A<Int>().newA<String>().useT(<!CONSTANT_EXPECTED_TYPE_MISMATCH!>1<!>)
+}
@@ -0,0 +1,12 @@
+package
+
+internal fun test1(): kotlin.Unit
+
+internal final class A</*0*/ T> {
+    public constructor A</*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
+    internal final fun </*0*/ U> newA(): A<U>
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    internal final fun useT(/*0*/ t: T): T
+}
@@ -0,0 +1,25 @@
+class Test {
+    private fun <T : Any> T.self() = object {
+        fun bar(): T {
+            return this@self
+        }
+    }
+    fun test() {
+        1.self().bar() + 1
+    }
+}
+
+class Foo<R> {
+    private fun <T> bar() = object {
+        fun baz(): Foo<R> {
+            return this@Foo
+        }
+    }
+
+    fun getR(r: R) = r
+
+    fun test() {
+        Foo<Int>().bar<String>().baz().getR(1)
+        Foo<Int>().bar<String>().baz().getR(<!TYPE_MISMATCH!>""<!>)
+    }
+}
@@ -0,0 +1,20 @@
+package
+
+internal final class Foo</*0*/ R> {
+    public constructor Foo</*0*/ R>()
+    private final fun </*0*/ T> bar(): Foo.bar.<no name provided>
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    internal final fun getR(/*0*/ r: R): R
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    internal final fun test(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+internal final class Test {
+    public constructor Test()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    internal final fun test(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    private final fun </*0*/ T : kotlin.Any> T.self(): Test.self.<no name provided>
+}
@@ -0,0 +1,22 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+class Outer<T> {
+    inner class Inner<I> {
+        fun getOuter(): Outer<T> = this@Outer
+        fun <R> genericFun(r: R): Outer<T> = this@Outer
+    }
+    fun useOuterParam(t: T) {}
+}
+
+fun test1() {
+    Outer<Int>().Inner<String>().getOuter().useOuterParam(22)
+    Outer<Int>().Inner<String>().getOuter().useOuterParam(<!TYPE_MISMATCH!>""<!>)
+}
+
+
+class A
+class B
+
+fun test1(a: A, b: B) {
+    Outer<Int>().Inner<String>().genericFun(a).Inner<Double>().genericFun(b)
+}
@@ -0,0 +1,35 @@
+package
+
+internal fun test1(): kotlin.Unit
+internal fun test1(/*0*/ a: A, /*1*/ b: B): kotlin.Unit
+
+internal final class A {
+    public constructor A()
+    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
+}
+
+internal final class B {
+    public constructor B()
+    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
+}
+
+internal final class Outer</*0*/ T> {
+    public constructor Outer</*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
+    internal final fun useOuterParam(/*0*/ t: T): kotlin.Unit
+
+    internal final inner class Inner</*0*/ I> {
+        public constructor Inner</*0*/ I>()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        internal final fun </*0*/ R> genericFun(/*0*/ r: R): Outer<T>
+        internal final fun getOuter(): Outer<T>
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}