SequenceTest.cpp
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//===- SequenceTest.cpp - Unit tests for a sequence abstraciton -----------===//
//
// 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 "llvm/ADT/Sequence.h"
#include "gtest/gtest.h"
#include <list>
using namespace llvm;
namespace {
TEST(SequenceTest, Basic) {
int x = 0;
for (int i : seq(0, 10)) {
EXPECT_EQ(x, i);
x++;
}
EXPECT_EQ(10, x);
auto my_seq = seq(0, 4);
EXPECT_EQ(4, my_seq.end() - my_seq.begin());
for (int i : {0, 1, 2, 3})
EXPECT_EQ(i, (int)my_seq.begin()[i]);
EXPECT_TRUE(my_seq.begin() < my_seq.end());
auto adjusted_begin = my_seq.begin() + 2;
auto adjusted_end = my_seq.end() - 2;
EXPECT_TRUE(adjusted_begin == adjusted_end);
EXPECT_EQ(2, *adjusted_begin);
EXPECT_EQ(2, *adjusted_end);
}
} // anonymous namespace