1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This is a "No Compile Test" suite.
// http://dev.chromium.org/developers/testing/no-compile-tests
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
namespace base {
void NotEnums() {
// Sample and boundary values must both be enums.
enum EnumA { A };
enum EnumB { B };
UmaHistogramEnumeration("", A, 2); // expected-error {{no matching function for call to 'UmaHistogramEnumeration'}}
UmaHistogramEnumeration("", 1, B); // expected-error {{no matching function for call to 'UmaHistogramEnumeration'}}
UmaHistogramEnumeration("", 1, 2); // expected-error@*:* {{static assertion failed due to requirement 'std::is_enum_v<int>'}}
}
void DifferentEnums() {
// Sample and boundary values must not come from different enums.
enum EnumA { A };
enum EnumB { B };
enum class EnumC { C };
enum class EnumD { D };
UMA_HISTOGRAM_ENUMERATION("", A, B); // expected-error {{|sample| and |boundary| shouldn't be of different enums}}
UMA_HISTOGRAM_ENUMERATION("", A, EnumD::D); // expected-error {{|sample| and |boundary| shouldn't be of different enums}}
UMA_HISTOGRAM_ENUMERATION("", EnumC::C, B); // expected-error {{|sample| and |boundary| shouldn't be of different enums}}
UMA_HISTOGRAM_ENUMERATION("", EnumC::C, EnumD::D); // expected-error {{|sample| and |boundary| shouldn't be of different enums}}
UmaHistogramEnumeration("", A, B); // expected-error {{no matching function for call to 'UmaHistogramEnumeration'}}
}
void MaxOutOfRange() {
// Boundaries must be nonnegative and fit in an int.
enum class TypeA { A = -1 };
enum class TypeB : uint32_t { B = 0xffffffff };
UMA_HISTOGRAM_ENUMERATION("", TypeA::A, TypeA::A); // expected-error {{|boundary| is out of range of HistogramBase::Sample32}}
UMA_HISTOGRAM_ENUMERATION("", TypeB::B, TypeB::B); // expected-error {{|boundary| is out of range of HistogramBase::Sample32}}
}
void NoMaxValue() {
// When boundary is omitted, sample enum must define `kMaxValue`.
enum class NoMax { kVal };
UmaHistogramEnumeration("", NoMax::kVal); // expected-error@*:* {{no member named 'kMaxValue' in 'NoMax'}}
}
} // namespace base
|
