Prohibit unsafe covariant conversion for collections invariant in Java

2015-08-28 19:09:07 +03:00
parent 6dc08f76a6
commit 632e336782
23 changed files with 543 additions and 1 deletions
@@ -0,0 +1,16 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// FILE: A.java
+
+import java.util.*;
+
+public class A {
+    void foo(List<Object> x) {}
+}
+// FILE: main.kt
+
+abstract class B : MutableList<String>
+
+fun main(a: A, b: B) {
+    a.foo(<!JAVA_TYPE_MISMATCH!>b<!>)
+    a.foo(b as List<Any>)
+}
@@ -0,0 +1,39 @@
+package
+
+internal fun main(/*0*/ a: A, /*1*/ b: B): kotlin.Unit
+
+public open class A {
+    public constructor A()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)List<kotlin.Any!>!): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+internal abstract class B : kotlin.MutableList<kotlin.String> {
+    public constructor B()
+    public abstract override /*1*/ /*fake_override*/ fun add(/*0*/ index: kotlin.Int, /*1*/ element: kotlin.String): kotlin.Unit
+    public abstract override /*1*/ /*fake_override*/ fun add(/*0*/ e: kotlin.String): kotlin.Boolean
+    public abstract override /*1*/ /*fake_override*/ fun addAll(/*0*/ c: kotlin.Collection<kotlin.String>): kotlin.Boolean
+    public abstract override /*1*/ /*fake_override*/ fun addAll(/*0*/ index: kotlin.Int, /*1*/ c: kotlin.Collection<kotlin.String>): kotlin.Boolean
+    public abstract override /*1*/ /*fake_override*/ fun clear(): kotlin.Unit
+    public abstract override /*1*/ /*fake_override*/ fun contains(/*0*/ o: kotlin.Any?): kotlin.Boolean
+    public abstract override /*1*/ /*fake_override*/ fun containsAll(/*0*/ c: kotlin.Collection<kotlin.Any?>): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public abstract override /*1*/ /*fake_override*/ fun get(/*0*/ index: kotlin.Int): kotlin.String
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public abstract override /*1*/ /*fake_override*/ fun indexOf(/*0*/ o: kotlin.Any?): kotlin.Int
+    public abstract override /*1*/ /*fake_override*/ fun isEmpty(): kotlin.Boolean
+    public abstract override /*1*/ /*fake_override*/ fun iterator(): kotlin.MutableIterator<kotlin.String>
+    public abstract override /*1*/ /*fake_override*/ fun lastIndexOf(/*0*/ o: kotlin.Any?): kotlin.Int
+    public abstract override /*1*/ /*fake_override*/ fun listIterator(): kotlin.MutableListIterator<kotlin.String>
+    public abstract override /*1*/ /*fake_override*/ fun listIterator(/*0*/ index: kotlin.Int): kotlin.MutableListIterator<kotlin.String>
+    public abstract override /*1*/ /*fake_override*/ fun remove(/*0*/ o: kotlin.Any?): kotlin.Boolean
+    public abstract override /*1*/ /*fake_override*/ fun remove(/*0*/ index: kotlin.Int): kotlin.String
+    public abstract override /*1*/ /*fake_override*/ fun removeAll(/*0*/ c: kotlin.Collection<kotlin.Any?>): kotlin.Boolean
+    public abstract override /*1*/ /*fake_override*/ fun retainAll(/*0*/ c: kotlin.Collection<kotlin.Any?>): kotlin.Boolean
+    public abstract override /*1*/ /*fake_override*/ fun set(/*0*/ index: kotlin.Int, /*1*/ element: kotlin.String): kotlin.String
+    public abstract override /*1*/ /*fake_override*/ fun size(): kotlin.Int
+    public abstract override /*1*/ /*fake_override*/ fun subList(/*0*/ fromIndex: kotlin.Int, /*1*/ toIndex: kotlin.Int): kotlin.MutableList<kotlin.String>
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
@@ -0,0 +1,14 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// FILE: A.java
+
+import java.util.*;
+
+public class A {
+    void foo(List x) {}
+}
+// FILE: main.kt
+
+fun main(a: A, ml: MutableList<String>, l: List<String>) {
+    a.foo(ml)
+    a.foo(l)
+}
@@ -0,0 +1,11 @@
+package
+
+internal fun main(/*0*/ a: A, /*1*/ ml: kotlin.MutableList<kotlin.String>, /*2*/ l: kotlin.List<kotlin.String>): kotlin.Unit
+
+public open class A {
+    public constructor A()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)List<(raw) kotlin.Any?>!): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
@@ -0,0 +1,67 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// FILE: A.java
+
+import java.util.*;
+
+public class A {
+    void foo(List<Object> x) {}
+    void foo(Iterable<Object> x) {}
+    void foo(Iterator<Object> x) {}
+    void foo(Set<Object> x) {}
+    void foo(Map<Object, Object> x) {}
+    void foo(Map.Entry<Object, Object> x) {}
+
+    void foo(List<List<Object>> x) {}
+}
+
+// FILE: main.kt
+
+fun main(
+        a: A,
+        ml: MutableList<String>, l: List<String>,
+        ms: MutableSet<String>, s: Set<String>,
+        mm: MutableMap<Any, String>, m: Map<Any, String>,
+        mme: MutableMap.MutableEntry<Any, String>, me: Map.Entry<Any, String>,
+        mll: MutableList<MutableList<String>>, ll: List<List<String>>
+) {
+    // Lists
+    a.foo(<!JAVA_TYPE_MISMATCH!>ml<!>)
+    a.foo(l)
+    a.foo(<!UNCHECKED_CAST!>ml as MutableList<Any><!>)
+    a.foo(l as List<Any>)
+
+    // Iterables
+    val mit: MutableIterable<String> = ml
+    val it: Iterable<String> = ml
+    a.foo(mit)
+    a.foo(it)
+
+    // Iterators
+    a.foo(ml.iterator())
+    a.foo(l.iterator())
+
+    // Sets
+    a.foo(<!JAVA_TYPE_MISMATCH!>ms<!>)
+    a.foo(s)
+    a.foo(<!UNCHECKED_CAST!>ms as MutableSet<Any><!>)
+    a.foo(s as Set<Any>)
+
+    // Maps
+    a.foo(<!JAVA_TYPE_MISMATCH!>mm<!>)
+    a.foo(m)
+    a.foo(<!UNCHECKED_CAST!>mm as MutableMap<Any, Any><!>)
+    a.foo(m as Map<Any, Any>)
+
+    // Map entries
+    a.foo(<!JAVA_TYPE_MISMATCH!>mme<!>)
+    a.foo(me)
+    a.foo(<!UNCHECKED_CAST!>mme as MutableMap.MutableEntry<Any, Any><!>)
+    a.foo(me as Map.Entry<Any, Any>)
+
+    // Lists of lists
+    a.foo(<!JAVA_TYPE_MISMATCH!>mll<!>)
+    a.foo(ll)
+    a.foo(<!UNCHECKED_CAST!>mll as MutableList<MutableList<Any>><!>)
+    a.foo(ll as List<List<Any>>)
+
+}
@@ -0,0 +1,17 @@
+package
+
+internal fun main(/*0*/ a: A, /*1*/ ml: kotlin.MutableList<kotlin.String>, /*2*/ l: kotlin.List<kotlin.String>, /*3*/ ms: kotlin.MutableSet<kotlin.String>, /*4*/ s: kotlin.Set<kotlin.String>, /*5*/ mm: kotlin.MutableMap<kotlin.Any, kotlin.String>, /*6*/ m: kotlin.Map<kotlin.Any, kotlin.String>, /*7*/ mme: kotlin.MutableMap.MutableEntry<kotlin.Any, kotlin.String>, /*8*/ me: kotlin.Map.Entry<kotlin.Any, kotlin.String>, /*9*/ mll: kotlin.MutableList<kotlin.MutableList<kotlin.String>>, /*10*/ ll: kotlin.List<kotlin.List<kotlin.String>>): kotlin.Unit
+
+public open class A {
+    public constructor A()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)Iterable<kotlin.Any!>!): kotlin.Unit
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)Iterator<kotlin.Any!>!): kotlin.Unit
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)List<kotlin.(Mutable)List<kotlin.Any!>!>!): kotlin.Unit
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)List<kotlin.Any!>!): kotlin.Unit
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)Map.(Mutable)Entry<kotlin.Any!, kotlin.Any!>!): kotlin.Unit
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)Map<kotlin.Any!, kotlin.Any!>!): kotlin.Unit
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)Set<kotlin.Any!>!): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
@@ -0,0 +1,16 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// FILE: A.java
+
+import java.util.*;
+
+public class A {
+    void foo(List<Object> x) {}
+}
+// FILE: main.kt
+
+fun main(a: A, ml: Any) {
+    if (ml is <!CANNOT_CHECK_FOR_ERASED!>MutableList<String><!>) {
+        a.foo(<!JAVA_TYPE_MISMATCH, DEBUG_INFO_SMARTCAST!>ml<!>)
+        a.foo(<!UNCHECKED_CAST!>ml as List<Any><!>)
+    }
+}
@@ -0,0 +1,11 @@
+package
+
+internal fun main(/*0*/ a: A, /*1*/ ml: kotlin.Any): kotlin.Unit
+
+public open class A {
+    public constructor A()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)List<kotlin.Any!>!): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
@@ -0,0 +1,18 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// FILE: A.java
+
+import java.util.*;
+
+public class A {
+    void foo(List<? super String> x) {}
+    void bar(List<? super Object> x) {}
+}
+// FILE: main.kt
+
+fun main(a: A, ml: MutableList<String>, l: List<String>) {
+    a.foo(ml)
+    a.foo(l)
+
+    a.bar(<!JAVA_TYPE_MISMATCH!>ml<!>)
+    a.bar(l)
+}
@@ -0,0 +1,12 @@
+package
+
+internal fun main(/*0*/ a: A, /*1*/ ml: kotlin.MutableList<kotlin.String>, /*2*/ l: kotlin.List<kotlin.String>): kotlin.Unit
+
+public open class A {
+    public constructor A()
+    public/*package*/ open fun bar(/*0*/ x: kotlin.(Mutable)List<in kotlin.Any!>!): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)List<in kotlin.String!>!): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
@@ -0,0 +1,17 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// FILE: A.java
+
+import java.util.*;
+
+public class A {
+    void foo(Out<Object> x) {}
+    void bar(Out<? extends Object> x) {}
+}
+// FILE: main.kt
+
+public class Out<out T>()
+
+fun main(a: A, o: Out<String>) {
+    a.foo(o)
+    a.bar(o)
+}
@@ -0,0 +1,19 @@
+package
+
+internal fun main(/*0*/ a: A, /*1*/ o: Out<kotlin.String>): kotlin.Unit
+
+public open class A {
+    public constructor A()
+    public/*package*/ open fun bar(/*0*/ x: Out<kotlin.Any!>!): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public/*package*/ open fun foo(/*0*/ x: Out<kotlin.Any!>!): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class Out</*0*/ out T> {
+    public constructor Out</*0*/ out 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
+}
@@ -0,0 +1,14 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// FILE: A.java
+
+import java.util.*;
+
+public class A {
+    void foo(List<Object> x) {}
+    List<String> bar() {}
+}
+// FILE: main.kt
+
+fun main(a: A) {
+    a.foo(<!JAVA_TYPE_MISMATCH!>a.bar()<!>)
+}
@@ -0,0 +1,12 @@
+package
+
+internal fun main(/*0*/ a: A): kotlin.Unit
+
+public open class A {
+    public constructor A()
+    public/*package*/ open fun bar(): kotlin.(Mutable)List<kotlin.String!>!
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)List<kotlin.Any!>!): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
@@ -0,0 +1,49 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// FILE: A.java
+
+import java.util.*;
+
+public class A {
+    void foo(List<?> x) {}
+    void foo(Iterable<?> x) {}
+    void foo(Iterator<?> x) {}
+    void foo(Set<?> x) {}
+    void foo(Map<?, ?> x) {}
+    void foo(Map.Entry<?, ?> x) {}
+}
+
+// FILE: main.kt
+
+fun main(
+        a: A,
+        ml: MutableList<String>, l: List<String>,
+        ms: MutableSet<String>, s: Set<String>,
+        mm: MutableMap<Any, String>, m: Map<Any, String>,
+        mme: MutableMap.MutableEntry<Any, String>, me: Map.Entry<Any, String>
+) {
+    // Lists
+    a.foo(ml)
+    a.foo(l)
+
+    // Iterables
+    val mit: MutableIterable<String> = ml
+    val it: Iterable<String> = ml
+    a.foo(mit)
+    a.foo(it)
+
+    // Iterators
+    a.foo(ml.iterator())
+    a.foo(l.iterator())
+
+    // Sets
+    a.foo(ms)
+    a.foo(s)
+
+    // Maps
+    a.foo(mm)
+    a.foo(m)
+
+    // Map entries
+    a.foo(mme)
+    a.foo(me)
+}
@@ -0,0 +1,16 @@
+package
+
+internal fun main(/*0*/ a: A, /*1*/ ml: kotlin.MutableList<kotlin.String>, /*2*/ l: kotlin.List<kotlin.String>, /*3*/ ms: kotlin.MutableSet<kotlin.String>, /*4*/ s: kotlin.Set<kotlin.String>, /*5*/ mm: kotlin.MutableMap<kotlin.Any, kotlin.String>, /*6*/ m: kotlin.Map<kotlin.Any, kotlin.String>, /*7*/ mme: kotlin.MutableMap.MutableEntry<kotlin.Any, kotlin.String>, /*8*/ me: kotlin.Map.Entry<kotlin.Any, kotlin.String>): kotlin.Unit
+
+public open class A {
+    public constructor A()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)Iterable<*>!): kotlin.Unit
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)Iterator<*>!): kotlin.Unit
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)List<*>!): kotlin.Unit
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)Map.(Mutable)Entry<*, *>!): kotlin.Unit
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)Map<*, *>!): kotlin.Unit
+    public/*package*/ open fun foo(/*0*/ x: kotlin.(Mutable)Set<*>!): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}