SnippetGeneratorTest.cpp
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//===-- SnippetGeneratorTest.cpp --------------------------------*- C++ -*-===//
//
// Part of the LLVM 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 "SnippetGenerator.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include <initializer_list>
namespace llvm {
namespace exegesis {
namespace {
TEST(CombinationGenerator, Square) {
const std::vector<std::vector<int>> Choices{{0, 1}, {2, 3}};
std::vector<std::vector<int>> Variants;
CombinationGenerator<int, std::vector<int>, 4> G(Choices);
const size_t NumVariants = G.numCombinations();
G.generate([&](ArrayRef<int> State) -> bool {
Variants.emplace_back(State);
return false; // keep going
});
const std::vector<std::vector<int>> ExpectedVariants{
{0, 2},
{0, 3},
{1, 2},
{1, 3},
};
ASSERT_THAT(Variants, ::testing::SizeIs(NumVariants));
ASSERT_THAT(Variants, ::testing::ContainerEq(ExpectedVariants));
}
TEST(CombinationGenerator, MiddleColumn) {
const std::vector<std::vector<int>> Choices{{0}, {1, 2}, {3}};
std::vector<std::vector<int>> Variants;
CombinationGenerator<int, std::vector<int>, 4> G(Choices);
const size_t NumVariants = G.numCombinations();
G.generate([&](ArrayRef<int> State) -> bool {
Variants.emplace_back(State);
return false; // keep going
});
const std::vector<std::vector<int>> ExpectedVariants{
{0, 1, 3},
{0, 2, 3},
};
ASSERT_THAT(Variants, ::testing::SizeIs(NumVariants));
ASSERT_THAT(Variants, ::testing::ContainerEq(ExpectedVariants));
}
TEST(CombinationGenerator, SideColumns) {
const std::vector<std::vector<int>> Choices{{0, 1}, {2}, {3, 4}};
std::vector<std::vector<int>> Variants;
CombinationGenerator<int, std::vector<int>, 4> G(Choices);
const size_t NumVariants = G.numCombinations();
G.generate([&](ArrayRef<int> State) -> bool {
Variants.emplace_back(State);
return false; // keep going
});
const std::vector<std::vector<int>> ExpectedVariants{
{0, 2, 3},
{0, 2, 4},
{1, 2, 3},
{1, 2, 4},
};
ASSERT_THAT(Variants, ::testing::SizeIs(NumVariants));
ASSERT_THAT(Variants, ::testing::ContainerEq(ExpectedVariants));
}
TEST(CombinationGenerator, LeftColumn) {
const std::vector<std::vector<int>> Choices{{0, 1}, {2}};
std::vector<std::vector<int>> Variants;
CombinationGenerator<int, std::vector<int>, 4> G(Choices);
const size_t NumVariants = G.numCombinations();
G.generate([&](ArrayRef<int> State) -> bool {
Variants.emplace_back(State);
return false; // keep going
});
const std::vector<std::vector<int>> ExpectedVariants{
{0, 2},
{1, 2},
};
ASSERT_THAT(Variants, ::testing::SizeIs(NumVariants));
ASSERT_THAT(Variants, ::testing::ContainerEq(ExpectedVariants));
}
TEST(CombinationGenerator, RightColumn) {
const std::vector<std::vector<int>> Choices{{0}, {1, 2}};
std::vector<std::vector<int>> Variants;
CombinationGenerator<int, std::vector<int>, 4> G(Choices);
const size_t NumVariants = G.numCombinations();
G.generate([&](ArrayRef<int> State) -> bool {
Variants.emplace_back(State);
return false; // keep going
});
const std::vector<std::vector<int>> ExpectedVariants{
{0, 1},
{0, 2},
};
ASSERT_THAT(Variants, ::testing::SizeIs(NumVariants));
ASSERT_THAT(Variants, ::testing::ContainerEq(ExpectedVariants));
}
TEST(CombinationGenerator, Column) {
const std::vector<std::vector<int>> Choices{{0, 1}};
std::vector<std::vector<int>> Variants;
CombinationGenerator<int, std::vector<int>, 4> G(Choices);
const size_t NumVariants = G.numCombinations();
G.generate([&](ArrayRef<int> State) -> bool {
Variants.emplace_back(State);
return false; // keep going
});
const std::vector<std::vector<int>> ExpectedVariants{
{0},
{1},
};
ASSERT_THAT(Variants, ::testing::SizeIs(NumVariants));
ASSERT_THAT(Variants, ::testing::ContainerEq(ExpectedVariants));
}
TEST(CombinationGenerator, Row) {
const std::vector<std::vector<int>> Choices{{0}, {1}};
std::vector<std::vector<int>> Variants;
CombinationGenerator<int, std::vector<int>, 4> G(Choices);
const size_t NumVariants = G.numCombinations();
G.generate([&](ArrayRef<int> State) -> bool {
Variants.emplace_back(State);
return false; // keep going
});
const std::vector<std::vector<int>> ExpectedVariants{
{0, 1},
};
ASSERT_THAT(Variants, ::testing::SizeIs(NumVariants));
ASSERT_THAT(Variants, ::testing::ContainerEq(ExpectedVariants));
}
TEST(CombinationGenerator, Singleton) {
const std::vector<std::vector<int>> Choices{{0}};
std::vector<std::vector<int>> Variants;
CombinationGenerator<int, std::vector<int>, 4> G(Choices);
const size_t NumVariants = G.numCombinations();
G.generate([&](ArrayRef<int> State) -> bool {
Variants.emplace_back(State);
return false; // keep going
});
const std::vector<std::vector<int>> ExpectedVariants{
{0},
};
ASSERT_THAT(Variants, ::testing::SizeIs(NumVariants));
ASSERT_THAT(Variants, ::testing::ContainerEq(ExpectedVariants));
}
} // namespace
} // namespace exegesis
} // namespace llvm