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1// Copyright 2016 The Chromium Authors
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/metrics/histogram_functions.h"
9#include "base/metrics/histogram_macros.h"
10
11namespace base {
12
13#if defined(NCTEST_DIFFERENT_ENUM)  // [r"\|sample\| and \|boundary\| shouldn't be of different enums"]
14
15void WontCompile() {
16  enum TypeA { A };
17  enum TypeB { B };
18  UMA_HISTOGRAM_ENUMERATION("", A, B);
19}
20
21#elif defined(NCTEST_DIFFERENT_ENUM_CLASS)  // [r"\|sample\| and \|boundary\| shouldn't be of different enums"]
22
23void WontCompile() {
24  enum class TypeA { A };
25  enum class TypeB { B };
26  UMA_HISTOGRAM_ENUMERATION("", TypeA::A, TypeB::B);
27}
28
29#elif defined(NCTEST_DIFFERENT_ENUM_MIXED)  // [r"\|sample\| and \|boundary\| shouldn't be of different enums"]
30
31void WontCompile() {
32  enum class TypeA { A };
33  enum TypeB { B };
34  UMA_HISTOGRAM_ENUMERATION("", TypeA::A, B);
35}
36
37#elif defined(NCTEST_NEGATIVE_ENUM_MAX)  // [r"fatal error: static_assert failed due to requirement 'static_cast<uintmax_t>\(TypeA::A\) < static_cast<uintmax_t>\(std::numeric_limits<int>::max\(\)\)': |boundary| is out of range of HistogramBase::Sample"]
38
39void WontCompile() {
40  // Buckets for enumeration start from 0, so a boundary < 0 is illegal.
41  enum class TypeA { A = -1 };
42  UMA_HISTOGRAM_ENUMERATION("", TypeA::A, TypeA::A);
43}
44
45#elif defined(NCTEST_ENUM_MAX_OUT_OF_RANGE)  // [r"fatal error: static_assert failed due to requirement 'static_cast<uintmax_t>\(TypeA::A\) < static_cast<uintmax_t>\(std::numeric_limits<int>::max\(\)\)': |boundary| is out of range of HistogramBase::Sample"]
46
47void WontCompile() {
48  // HistogramBase::Sample is an int and can't hold larger values.
49  enum class TypeA : uint32_t { A = 0xffffffff };
50  UMA_HISTOGRAM_ENUMERATION("", TypeA::A, TypeA::A);
51}
52
53#elif defined(NCTEST_SAMPLE_NOT_ENUM)  // [r"fatal error: static_assert failed due to requirement 'static_cast<uintmax_t>\(TypeA::A\) < static_cast<uintmax_t>\(std::numeric_limits<int>::max\(\)\)': |boundary| is out of range of HistogramBase::Sample"]
54
55void WontCompile() {
56  enum TypeA { A };
57  UMA_HISTOGRAM_ENUMERATION("", 0, TypeA::A);
58}
59
60#elif defined(NCTEST_FUNCTION_ENUM_NO_MAXVALUE)  // [r"no member named 'kMaxValue' in 'base::NoMaxValue'"]
61
62enum class NoMaxValue {
63  kMoo,
64};
65
66void WontCompile() {
67  UmaHistogramEnumeration("", NoMaxValue::kMoo);
68}
69
70#elif defined(NCTEST_FUNCTION_INT_AS_ENUM)  // [r"static assertion failed due to requirement 'std::is_enum<int>::value'"]
71
72void WontCompile() {
73  UmaHistogramEnumeration("", 1, 2);
74}
75
76#elif defined(NCTEST_FUNCTION_DIFFERENT_ENUM)  // [r"no matching function for call to 'UmaHistogramEnumeration'"]
77
78void WontCompile() {
79  enum TypeA { A };
80  enum TypeB { B };
81  UmaHistogramEnumeration("", A, B);
82}
83
84#elif defined(NCTEST_FUNCTION_FIRST_NOT_ENUM)  // [r"no matching function for call to 'UmaHistogramEnumeration'"]
85
86void WontCompile() {
87  enum TypeB { B };
88  UmaHistogramEnumeration("", 1, B);
89}
90
91#elif defined(NCTEST_FUNCTION_SECOND_NOT_ENUM)  // [r"no matching function for call to 'UmaHistogramEnumeration'"]
92
93void WontCompile() {
94  enum TypeA { A };
95  UmaHistogramEnumeration("", A, 2);
96}
97
98#endif
99
100}  // namespace base
101