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KT-13355

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An overridden abstract member with a more specific "return type" than an overridden concrete member
should be explicitly overridden even if the class in question can have abstract members.
This commit is contained in:
Dmitry Petrov
2017-01-18 17:39:09 +03:00
parent f89de02ff0
commit b36e3bc083
8 changed files with 291 additions and 129 deletions
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compiler/testData/diagnostics/tests/override/clashesOnInheritance/kt13355.kt
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interface IFooAny {
val foo: Any
}
interface IFooStr : IFooAny {
override val foo: String
}
abstract class BaseAny(override val foo: Any): IFooAny
abstract <!PROPERTY_TYPE_MISMATCH_ON_INHERITANCE!>class BaseStr<!> : BaseAny(42), IFooStr
class C : BaseStr()
compiler/testData/diagnostics/tests/override/clashesOnInheritance/kt13355.txt
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package
public abstract class BaseAny : IFooAny {
public constructor BaseAny(/*0*/ foo: kotlin.Any)
public open override /*1*/ val foo: 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 abstract class BaseStr : BaseAny, IFooStr {
public constructor BaseStr()
public open override /*2*/ /*fake_override*/ val foo: kotlin.String
public open override /*2*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*2*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*2*/ /*fake_override*/ fun toString(): kotlin.String
}
public final class C : BaseStr {
public constructor C()
public open override /*1*/ /*fake_override*/ val foo: 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 IFooAny {
public abstract val foo: 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 IFooStr : IFooAny {
public abstract override /*1*/ val foo: 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
}
compiler/testData/diagnostics/tests/override/clashesOnInheritance/kt13355viaJava.kt
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// FILE: K.kt
abstract class ATest1 : TestNN.JNullVsNotNull()
abstract <!RETURN_TYPE_MISMATCH_ON_INHERITANCE!>class ATest2<!> : TestNN.JUnknownImpl(), TestNN.JNotNull
abstract class ATest3 : TestNN.JUnknownVsNotNull()
class CTest1 : TestNN.JNullVsNotNull()
<!RETURN_TYPE_MISMATCH_ON_INHERITANCE!>class CTest2<!> : TestNN.JUnknownImpl(), TestNN.JNotNull
class CTest3 : TestNN.JUnknownVsNotNull()
// FILE: TestNN.java
import org.jetbrains.annotations.*;
public class TestNN {
public interface JNull {
@Nullable Object foo();
}
public interface JNotNull {
@NotNull Object foo();
}
public static class JNullVsNotNull implements JNull, JNotNull {
public Object foo() {
return this;
}
}
public static class JNullBase {
@Nullable public Object foo() {
return null;
}
}
public static class JUnknownImpl extends JNullBase {
public Object foo() {
return this;
}
}
public static class JUnknownVsNotNull extends JUnknownImpl implements JNotNull {
}
}
compiler/testData/diagnostics/tests/override/clashesOnInheritance/kt13355viaJava.txt
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package
public abstract class ATest1 : TestNN.JNullVsNotNull {
public constructor ATest1()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun foo(): kotlin.Any
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public abstract class ATest2 : TestNN.JUnknownImpl, TestNN.JNotNull {
public constructor ATest2()
public open override /*2*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
@org.jetbrains.annotations.NotNull public open override /*2*/ /*fake_override*/ fun foo(): kotlin.Any
public open override /*2*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*2*/ /*fake_override*/ fun toString(): kotlin.String
}
public abstract class ATest3 : TestNN.JUnknownVsNotNull {
public constructor ATest3()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
@org.jetbrains.annotations.NotNull public open override /*1*/ /*fake_override*/ fun foo(): kotlin.Any
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public final class CTest1 : TestNN.JNullVsNotNull {
public constructor CTest1()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun foo(): kotlin.Any
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public final class CTest2 : TestNN.JUnknownImpl, TestNN.JNotNull {
public constructor CTest2()
public open override /*2*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
@org.jetbrains.annotations.NotNull public open override /*2*/ /*fake_override*/ fun foo(): kotlin.Any
public open override /*2*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*2*/ /*fake_override*/ fun toString(): kotlin.String
}
public final class CTest3 : TestNN.JUnknownVsNotNull {
public constructor CTest3()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
@org.jetbrains.annotations.NotNull public open override /*1*/ /*fake_override*/ fun foo(): kotlin.Any
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public open class TestNN {
public constructor TestNN()
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 JNotNull {
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
@org.jetbrains.annotations.NotNull public abstract fun foo(): kotlin.Any
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public interface JNull {
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
@org.jetbrains.annotations.Nullable public abstract fun foo(): kotlin.Any?
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public open class JNullBase {
public constructor JNullBase()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
@org.jetbrains.annotations.Nullable public open fun foo(): kotlin.Any?
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public open class JNullVsNotNull : TestNN.JNull, TestNN.JNotNull {
public constructor JNullVsNotNull()
public open override /*2*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*2*/ fun foo(): kotlin.Any
public open override /*2*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*2*/ /*fake_override*/ fun toString(): kotlin.String
}
public open class JUnknownImpl : TestNN.JNullBase {
public constructor JUnknownImpl()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ fun foo(): kotlin.Any?
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public open class JUnknownVsNotNull : TestNN.JUnknownImpl, TestNN.JNotNull {
public constructor JUnknownVsNotNull()
public open override /*2*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
@org.jetbrains.annotations.NotNull public open override /*2*/ /*fake_override*/ fun foo(): kotlin.Any
public open override /*2*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*2*/ /*fake_override*/ fun toString(): kotlin.String
}
// Static members
public final /*synthesized*/ fun JNotNull(/*0*/ function: () -> kotlin.Any): TestNN.JNotNull
public final /*synthesized*/ fun JNull(/*0*/ function: () -> kotlin.Any?): TestNN.JNull
}