| //===- 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 |