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c9a0644f8a
Summary:
Add erase() which returns an iterator pointing to the next element after the
erased one. This makes it possible to erase selected elements while iterating
over the SetVector :
while (I != E)
if (test(*I))
I = SetVector.erase(I);
else
++I;
Reviewers: qcolombet, mcrosier, MatzeB, dblaikie
Subscribers: dberlin, dblaikie, mcrosier, llvm-commits
Differential Revision: http://reviews.llvm.org/D18281
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@264414 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
931 B
C++
35 lines
931 B
C++
//===- llvm/unittest/ADT/SetVector.cpp ------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// SetVector unit tests.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/SetVector.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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TEST(SetVector, EraseTest) {
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SetVector<int> S;
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S.insert(0);
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S.insert(1);
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S.insert(2);
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auto I = S.erase(std::next(S.begin()));
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// Test that the returned iterator is the expected one-after-erase
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// and the size/contents is the expected sequence {0, 2}.
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EXPECT_EQ(std::next(S.begin()), I);
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EXPECT_EQ(2u, S.size());
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EXPECT_EQ(0, *S.begin());
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EXPECT_EQ(2, *std::next(S.begin()));
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}
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