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1 //===- EnumsGenTest.cpp - TableGen EnumsGen Tests -------------------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8
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9 #include "llvm/ADT/DenseMap.h"
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10 #include "llvm/ADT/Optional.h"
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11 #include "llvm/ADT/SmallVector.h"
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12 #include "llvm/ADT/StringExtras.h"
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13 #include "llvm/ADT/StringSwitch.h"
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14 #include "gmock/gmock.h"
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15 #include <type_traits>
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16
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17 // Pull in generated enum utility declarations
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18 #include "EnumsGenTest.h.inc"
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19 // And definitions
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20 #include "EnumsGenTest.cpp.inc"
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21
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22 // Test namespaces and enum class/utility names
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23 using Outer::Inner::ConvertToEnum;
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24 using Outer::Inner::ConvertToString;
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25 using Outer::Inner::StrEnum;
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26
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27 TEST(EnumsGenTest, GeneratedStrEnumDefinition) {
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28 EXPECT_EQ(0u, static_cast<uint64_t>(StrEnum::CaseA));
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29 EXPECT_EQ(10u, static_cast<uint64_t>(StrEnum::CaseB));
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30 }
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31
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32 TEST(EnumsGenTest, GeneratedI32EnumDefinition) {
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33 EXPECT_EQ(5u, static_cast<uint64_t>(I32Enum::Case5));
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34 EXPECT_EQ(10u, static_cast<uint64_t>(I32Enum::Case10));
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35 }
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36
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37 TEST(EnumsGenTest, GeneratedDenseMapInfo) {
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38 llvm::DenseMap<StrEnum, std::string> myMap;
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39
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40 myMap[StrEnum::CaseA] = "zero";
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41 myMap[StrEnum::CaseB] = "one";
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42
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43 EXPECT_EQ(myMap[StrEnum::CaseA], "zero");
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44 EXPECT_EQ(myMap[StrEnum::CaseB], "one");
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45 }
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46
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47 TEST(EnumsGenTest, GeneratedSymbolToStringFn) {
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48 EXPECT_EQ(ConvertToString(StrEnum::CaseA), "CaseA");
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49 EXPECT_EQ(ConvertToString(StrEnum::CaseB), "CaseB");
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50 }
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51
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52 TEST(EnumsGenTest, GeneratedStringToSymbolFn) {
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53 EXPECT_EQ(llvm::Optional<StrEnum>(StrEnum::CaseA), ConvertToEnum("CaseA"));
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54 EXPECT_EQ(llvm::Optional<StrEnum>(StrEnum::CaseB), ConvertToEnum("CaseB"));
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55 EXPECT_EQ(llvm::None, ConvertToEnum("X"));
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56 }
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57
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58 TEST(EnumsGenTest, GeneratedUnderlyingType) {
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59 bool v = std::is_same<uint32_t, std::underlying_type<I32Enum>::type>::value;
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60 EXPECT_TRUE(v);
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61 }
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62
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63 TEST(EnumsGenTest, GeneratedBitEnumDefinition) {
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64 EXPECT_EQ(0u, static_cast<uint32_t>(BitEnumWithNone::None));
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65 EXPECT_EQ(1u, static_cast<uint32_t>(BitEnumWithNone::Bit1));
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66 EXPECT_EQ(4u, static_cast<uint32_t>(BitEnumWithNone::Bit3));
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67 }
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68
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69 TEST(EnumsGenTest, GeneratedSymbolToStringFnForBitEnum) {
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70 EXPECT_EQ(stringifyBitEnumWithNone(BitEnumWithNone::None), "None");
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71 EXPECT_EQ(stringifyBitEnumWithNone(BitEnumWithNone::Bit1), "Bit1");
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72 EXPECT_EQ(stringifyBitEnumWithNone(BitEnumWithNone::Bit3), "Bit3");
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73 EXPECT_EQ(
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74 stringifyBitEnumWithNone(BitEnumWithNone::Bit1 | BitEnumWithNone::Bit3),
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75 "Bit1|Bit3");
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76 }
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77
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78 TEST(EnumsGenTest, GeneratedStringToSymbolForBitEnum) {
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79 EXPECT_EQ(symbolizeBitEnumWithNone("None"), BitEnumWithNone::None);
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80 EXPECT_EQ(symbolizeBitEnumWithNone("Bit1"), BitEnumWithNone::Bit1);
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81 EXPECT_EQ(symbolizeBitEnumWithNone("Bit3"), BitEnumWithNone::Bit3);
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82 EXPECT_EQ(symbolizeBitEnumWithNone("Bit3|Bit1"),
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83 BitEnumWithNone::Bit3 | BitEnumWithNone::Bit1);
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84
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85 EXPECT_EQ(symbolizeBitEnumWithNone("Bit2"), llvm::None);
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86 EXPECT_EQ(symbolizeBitEnumWithNone("Bit3|Bit4"), llvm::None);
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87
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88 EXPECT_EQ(symbolizeBitEnumWithoutNone("None"), llvm::None);
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89 }
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90
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91 TEST(EnumsGenTest, GeneratedOperator) {
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92 EXPECT_TRUE(bitEnumContains(BitEnumWithNone::Bit1 | BitEnumWithNone::Bit3,
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93 BitEnumWithNone::Bit1));
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94 EXPECT_FALSE(bitEnumContains(BitEnumWithNone::Bit1 & BitEnumWithNone::Bit3,
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95 BitEnumWithNone::Bit1));
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96 }
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97
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98 TEST(EnumsGenTest, GeneratedSymbolToCustomStringFn) {
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99 EXPECT_EQ(stringifyPrettyIntEnum(PrettyIntEnum::Case1), "case_one");
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100 EXPECT_EQ(stringifyPrettyIntEnum(PrettyIntEnum::Case2), "case_two");
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101 }
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102
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103 TEST(EnumsGenTest, GeneratedCustomStringToSymbolFn) {
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104 auto one = symbolizePrettyIntEnum("case_one");
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105 EXPECT_TRUE(one);
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106 EXPECT_EQ(*one, PrettyIntEnum::Case1);
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107
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108 auto two = symbolizePrettyIntEnum("case_two");
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109 EXPECT_TRUE(two);
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110 EXPECT_EQ(*two, PrettyIntEnum::Case2);
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111
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112 auto none = symbolizePrettyIntEnum("Case1");
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113 EXPECT_FALSE(none);
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114 }
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