# SPDX-License-Identifier: GPL-2.0"""Test optional warnings for user-provided values changed by Kconfig. Warnings should stay disabled by default, and should only appear whenKCONFIG_WARN_CHANGED_INPUT is enabled."""  def test(conf):    assert conf.olddefconfig('config') == 0    assert 'user-provided values changed by Kconfig' not in conf.stderr     assert conf._run_conf('--olddefconfig', dot_config='config',                          extra_env={                              'KCONFIG_WARN_CHANGED_INPUT': '1',                          }) == 0    assert conf.stderr_contains('expected_stderr')    assert conf.config_matches('expected_config')     assert conf._run_conf('--olddefconfig', dot_config='config',                          extra_env={                              'KCONFIG_WARN_CHANGED_INPUT': '1',                          }, silent=True) == 0    assert conf.stderr_contains('expected_stderr')     assert conf._run_conf('--savedefconfig=defconfig', dot_config='config',                          out_file='defconfig',                          extra_env={                              'KCONFIG_WARN_CHANGED_INPUT': '1',                          }) == 0    assert conf.stderr_contains('expected_stderr')    assert conf.config_matches('expected_defconfig')