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/*

 * @test

 * @bug 8191802

 * @summary Upward projection result is A<? extends Number> instead of A<? super Integer>

 * @modules jdk.compiler/com.sun.source.tree

 *          jdk.compiler/com.sun.source.util

 *          jdk.compiler/com.sun.tools.javac.api

 *          jdk.compiler/com.sun.tools.javac.code

 *          jdk.compiler/com.sun.tools.javac.util

 * @build LocalVariableInferenceTester

 * @run main LocalVariableInferenceTester UpperBounds.java

 */

class UpperBounds {

    static class A<T extends Number> { }

    static class C<T extends Comparable<T>> { }

    void test1(A<? super Integer> s) {

        //U is not Object, Bi is not fbound and U is not more specific than Bi, use "? super L"

        @InferredType("UpperBounds.A<? super java.lang.Integer>")

        var x = s;

    }

    void test2(C<? super Integer> s) {

        //U is not Object, Bi is fbound, use "? extends L"

        @InferredType("UpperBounds.C<? extends java.lang.Comparable<?>>")

        var x = s;

    }

    void test3(A<? extends Object> s) {

        //U is not Object, Bi is not fbound and U is not more specific than Bi, L is undefined, use "?"

        @InferredType("UpperBounds.A<?>")

        var x = s;

    }

    void test4(A<? extends Integer> s) {

        //U is not Object, Bi is not fbound and U is more specific than Bi, use "? extends U"

        @InferredType("UpperBounds.A<? extends java.lang.Integer>")

        var x = s;

    }

    void test5(A<? extends Object> s) {

        //U is not Object, Bi is not fbound and U is not more specific than Bi, L is undefined, use "?"

        @InferredType("UpperBounds.A<?>")

        var x = s;

    }

}