41 lines
1021 B
C++
41 lines
1021 B
C++
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//===- SequenceTest.cpp - Unit tests for a sequence abstraciton -----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/Sequence.h"
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#include "gtest/gtest.h"
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#include <list>
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using namespace llvm;
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namespace {
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TEST(SequenceTest, Basic) {
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int x = 0;
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for (int i : seq(0, 10)) {
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EXPECT_EQ(x, i);
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x++;
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}
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EXPECT_EQ(10, x);
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auto my_seq = seq(0, 4);
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EXPECT_EQ(4, my_seq.end() - my_seq.begin());
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for (int i : {0, 1, 2, 3})
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EXPECT_EQ(i, (int)my_seq.begin()[i]);
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EXPECT_TRUE(my_seq.begin() < my_seq.end());
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auto adjusted_begin = my_seq.begin() + 2;
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auto adjusted_end = my_seq.end() - 2;
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EXPECT_TRUE(adjusted_begin == adjusted_end);
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EXPECT_EQ(2, *adjusted_begin);
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EXPECT_EQ(2, *adjusted_end);
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}
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} // anonymous namespace
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