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55 lines
2.3 KiB
Plaintext
55 lines
2.3 KiB
Plaintext
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// Copyright 2016 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// This is a "No Compile Test" suite.
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// http://dev.chromium.org/developers/testing/no-compile-tests
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#include "base/metrics/histogram_functions.h"
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#include "base/metrics/histogram_macros.h"
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namespace base {
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void NotEnums() {
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// Sample and boundary values must both be enums.
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enum EnumA { A };
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enum EnumB { B };
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UmaHistogramEnumeration("", A, 2); // expected-error {{no matching function for call to 'UmaHistogramEnumeration'}}
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UmaHistogramEnumeration("", 1, B); // expected-error {{no matching function for call to 'UmaHistogramEnumeration'}}
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UmaHistogramEnumeration("", 1, 2); // expected-error@*:* {{static assertion failed due to requirement 'std::is_enum_v<int>'}}
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}
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void DifferentEnums() {
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// Sample and boundary values must not come from different enums.
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enum EnumA { A };
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enum EnumB { B };
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enum class EnumC { C };
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enum class EnumD { D };
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UMA_HISTOGRAM_ENUMERATION("", A, B); // expected-error {{|sample| and |boundary| shouldn't be of different enums}}
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UMA_HISTOGRAM_ENUMERATION("", A, EnumD::D); // expected-error {{|sample| and |boundary| shouldn't be of different enums}}
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UMA_HISTOGRAM_ENUMERATION("", EnumC::C, B); // expected-error {{|sample| and |boundary| shouldn't be of different enums}}
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UMA_HISTOGRAM_ENUMERATION("", EnumC::C, EnumD::D); // expected-error {{|sample| and |boundary| shouldn't be of different enums}}
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UmaHistogramEnumeration("", A, B); // expected-error {{no matching function for call to 'UmaHistogramEnumeration'}}
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}
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void MaxOutOfRange() {
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// Boundaries must be nonnegative and fit in an int.
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enum class TypeA { A = -1 };
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enum class TypeB : uint32_t { B = 0xffffffff };
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UMA_HISTOGRAM_ENUMERATION("", TypeA::A, TypeA::A); // expected-error {{|boundary| is out of range of HistogramBase::Sample}}
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UMA_HISTOGRAM_ENUMERATION("", TypeB::B, TypeB::B); // expected-error {{|boundary| is out of range of HistogramBase::Sample}}
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}
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void NoMaxValue() {
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// When boundary is omitted, sample enum must define `kMaxValue`.
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enum class NoMax { kVal };
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UmaHistogramEnumeration("", NoMax::kVal); // expected-error@*:* {{no member named 'kMaxValue' in 'NoMax'}}
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}
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} // namespace base
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