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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;
    }
}