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66 lines
1.4 KiB
66 lines
1.4 KiB
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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class InheritanceTest {
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interface MyInterface {
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public void foo(int x);
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}
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class UniqueImpl implements MyInterface {
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public void foo(int x) {
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for (int i = 0; i < x; i++) {}
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}
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}
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public void call_interface_method_linear(MyInterface c, int x) {
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c.foo(x);
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}
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interface MyInterface2 {
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public void foo(int x);
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}
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abstract class AbsImpl implements MyInterface2 {
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public abstract void foo(int x);
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}
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class Impl1 extends AbsImpl {
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@Override
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public void foo(int x) {
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for (int i = 0; i < x; i++) {}
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}
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}
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class Impl2 extends AbsImpl {
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@Override
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public void foo(int x) {}
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}
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/* By heuristics, [Impl1.foo] is selected. It is hard to say good or bad. */
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public void call_interface_method2_linear(MyInterface2 c, int x) {
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c.foo(x);
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}
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interface MyInterface3 {
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public int unknown();
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}
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interface MyInterface4 {
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public void top_cost(MyInterface3 x);
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}
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class UniqueImpl4 implements MyInterface4 {
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public void top_cost(MyInterface3 i3) {
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for (int i = 0; i < i3.unknown(); i++) {}
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}
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}
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public void ignore_top_costed_sub_method_constant(MyInterface3 i3, MyInterface4 i4) {
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i4.top_cost(i3);
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}
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}
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