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 11 constexpr base::Feature kFeature{"NoCompileFeature"}; 12 13 enum Param { FOO, BAR }; 14 15 #if defined(NCTEST_NO_PARAM_TYPE) // [r"too few template arguments"] 16 17 constexpr base::FeatureParam<> kParam{ 18 &kFeature, "Param"}; 19 20 #elif defined(NCTEST_VOID_PARAM_TYPE) // [r"unsupported FeatureParam<> type"] 21 22 constexpr base::FeatureParam<void> kParam{ 23 &kFeature, "Param"}; 24 25 #elif defined(NCTEST_INVALID_PARAM_TYPE) // [r"unsupported FeatureParam<> type"] 26 27 constexpr 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 32 constexpr 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 37 constexpr base::FeatureParam<Param>::Option kParamOptions[] = {}; 38 constexpr base::FeatureParam<Param> kParam{ 39 &kFeature, "Param", FOO, &kParamOptions}; 40 41 #else 42 43 void suppress_unused_variable_warning() { 44 (void)kFeature; 45 } 46 47 #endif 48