1 /* 2 * Copyright 2020 The JSpecify Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 import org.jspecify.annotations.NullMarked; 17 import org.jspecify.annotations.Nullable; 18 import org.jspecify.annotations.NullnessUnspecified; 19 20 @NullMarked 21 class TypeArgumentOfTypeVariableBound { 22 interface Supplier<T extends @Nullable Object> { get()23 T get(); 24 } 25 x1(S s)26 <S extends Supplier<Object>> Supplier<Object> x1(S s) { 27 return s; 28 } 29 x2(S s)30 <S extends Supplier<Object>> Supplier<@NullnessUnspecified Object> x2(S s) { 31 // jspecify_nullness_not_enough_information 32 return s; 33 } 34 x3(S s)35 <S extends Supplier<Object>> Supplier<@Nullable Object> x3(S s) { 36 // jspecify_nullness_mismatch 37 return s; 38 } 39 x4(S s)40 <S extends Supplier<@NullnessUnspecified Object>> Supplier<Object> x4(S s) { 41 // jspecify_nullness_not_enough_information 42 return s; 43 } 44 x5(S s)45 <S extends Supplier<@NullnessUnspecified Object>> Supplier<@NullnessUnspecified Object> x5(S s) { 46 // jspecify_nullness_not_enough_information 47 return s; 48 } 49 x6(S s)50 <S extends Supplier<@NullnessUnspecified Object>> Supplier<@Nullable Object> x6(S s) { 51 // jspecify_nullness_not_enough_information 52 return s; 53 } 54 x7(S s)55 <S extends Supplier<@Nullable Object>> Supplier<Object> x7(S s) { 56 // jspecify_nullness_mismatch 57 return s; 58 } 59 x8(S s)60 <S extends Supplier<@Nullable Object>> Supplier<@NullnessUnspecified Object> x8(S s) { 61 // jspecify_nullness_not_enough_information 62 return s; 63 } 64 x9(S s)65 <S extends Supplier<@Nullable Object>> Supplier<@Nullable Object> x9(S s) { 66 return s; 67 } 68 } 69