EnumsGenTest.cpp
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//===- EnumsGenTest.cpp - TableGen EnumsGen Tests -------------------------===//
//
// Part of the MLIR Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSwitch.h"
#include "gmock/gmock.h"
#include <type_traits>
// Pull in generated enum utility declarations
#include "EnumsGenTest.h.inc"
// And definitions
#include "EnumsGenTest.cpp.inc"
using ::testing::StrEq;
// Test namespaces and enum class/utility names
using Outer::Inner::ConvertToEnum;
using Outer::Inner::ConvertToString;
using Outer::Inner::StrEnum;
TEST(EnumsGenTest, GeneratedStrEnumDefinition) {
EXPECT_EQ(0u, static_cast<uint64_t>(StrEnum::CaseA));
EXPECT_EQ(10u, static_cast<uint64_t>(StrEnum::CaseB));
}
TEST(EnumsGenTest, GeneratedI32EnumDefinition) {
EXPECT_EQ(5u, static_cast<uint64_t>(I32Enum::Case5));
EXPECT_EQ(10u, static_cast<uint64_t>(I32Enum::Case10));
}
TEST(EnumsGenTest, GeneratedDenseMapInfo) {
llvm::DenseMap<StrEnum, std::string> myMap;
myMap[StrEnum::CaseA] = "zero";
myMap[StrEnum::CaseB] = "one";
EXPECT_THAT(myMap[StrEnum::CaseA], StrEq("zero"));
EXPECT_THAT(myMap[StrEnum::CaseB], StrEq("one"));
}
TEST(EnumsGenTest, GeneratedSymbolToStringFn) {
EXPECT_THAT(ConvertToString(StrEnum::CaseA), StrEq("CaseA"));
EXPECT_THAT(ConvertToString(StrEnum::CaseB), StrEq("CaseB"));
}
TEST(EnumsGenTest, GeneratedStringToSymbolFn) {
EXPECT_EQ(llvm::Optional<StrEnum>(StrEnum::CaseA), ConvertToEnum("CaseA"));
EXPECT_EQ(llvm::Optional<StrEnum>(StrEnum::CaseB), ConvertToEnum("CaseB"));
EXPECT_EQ(llvm::None, ConvertToEnum("X"));
}
TEST(EnumsGenTest, GeneratedUnderlyingType) {
bool v = std::is_same<uint32_t, std::underlying_type<I32Enum>::type>::value;
EXPECT_TRUE(v);
}
TEST(EnumsGenTest, GeneratedBitEnumDefinition) {
EXPECT_EQ(0u, static_cast<uint32_t>(BitEnumWithNone::None));
EXPECT_EQ(1u, static_cast<uint32_t>(BitEnumWithNone::Bit1));
EXPECT_EQ(4u, static_cast<uint32_t>(BitEnumWithNone::Bit3));
}
TEST(EnumsGenTest, GeneratedSymbolToStringFnForBitEnum) {
EXPECT_THAT(stringifyBitEnumWithNone(BitEnumWithNone::None), StrEq("None"));
EXPECT_THAT(stringifyBitEnumWithNone(BitEnumWithNone::Bit1), StrEq("Bit1"));
EXPECT_THAT(stringifyBitEnumWithNone(BitEnumWithNone::Bit3), StrEq("Bit3"));
EXPECT_THAT(
stringifyBitEnumWithNone(BitEnumWithNone::Bit1 | BitEnumWithNone::Bit3),
StrEq("Bit1|Bit3"));
}
TEST(EnumsGenTest, GeneratedStringToSymbolForBitEnum) {
EXPECT_EQ(symbolizeBitEnumWithNone("None"), BitEnumWithNone::None);
EXPECT_EQ(symbolizeBitEnumWithNone("Bit1"), BitEnumWithNone::Bit1);
EXPECT_EQ(symbolizeBitEnumWithNone("Bit3"), BitEnumWithNone::Bit3);
EXPECT_EQ(symbolizeBitEnumWithNone("Bit3|Bit1"),
BitEnumWithNone::Bit3 | BitEnumWithNone::Bit1);
EXPECT_EQ(symbolizeBitEnumWithNone("Bit2"), llvm::None);
EXPECT_EQ(symbolizeBitEnumWithNone("Bit3|Bit4"), llvm::None);
EXPECT_EQ(symbolizeBitEnumWithoutNone("None"), llvm::None);
}
TEST(EnumsGenTest, GeneratedOperator) {
EXPECT_TRUE(bitEnumContains(BitEnumWithNone::Bit1 | BitEnumWithNone::Bit3,
BitEnumWithNone::Bit1));
EXPECT_FALSE(bitEnumContains(BitEnumWithNone::Bit1 & BitEnumWithNone::Bit3,
BitEnumWithNone::Bit1));
}