1// Copyright 2017 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// This is a "No Compile Test" suite. 6// http://dev.chromium.org/developers/testing/no-compile-tests 7 8#include "base/feature_list.h" 9#include "base/metrics/field_trial_params.h" 10 11constexpr base::Feature kFeature{"NoCompileFeature"}; 12 13enum Param { FOO, BAR }; 14 15#if defined(NCTEST_NO_PARAM_TYPE) // [r"too few template arguments"] 16 17constexpr base::FeatureParam<> kParam{ 18 &kFeature, "Param"}; 19 20#elif defined(NCTEST_VOID_PARAM_TYPE) // [r"unsupported FeatureParam<> type"] 21 22constexpr base::FeatureParam<void> kParam{ 23 &kFeature, "Param"}; 24 25#elif defined(NCTEST_INVALID_PARAM_TYPE) // [r"unsupported FeatureParam<> type"] 26 27constexpr base::FeatureParam<size_t> kParam{ 28 &kFeature, "Param", 1u}; 29 30#elif defined(NCTEST_ENUM_NULL_OPTIONS) // [r"candidate template ignored: could not match"] 31 32constexpr base::FeatureParam<Param> kParam{ 33 &kFeature, "Param", FOO, nullptr}; 34 35#elif defined(NCTEST_ENUM_EMPTY_OPTIONS) // [r"zero-length arrays are not permitted"] 36 37constexpr base::FeatureParam<Param>::Option kParamOptions[] = {}; 38constexpr base::FeatureParam<Param> kParam{ 39 &kFeature, "Param", FOO, &kParamOptions}; 40 41#else 42 43void suppress_unused_variable_warning() { 44 (void)kFeature; 45} 46 47#endif 48