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e1e9366281
This time tested on both OSX and Linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178377 91177308-0d34-0410-b5e6-96231b3b80d8
128 lines
2.8 KiB
C++
128 lines
2.8 KiB
C++
//===- llvm/unittest/ADT/SmallPtrSetTest.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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// SmallPtrSet unit tests.
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//
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//===----------------------------------------------------------------------===//
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#include "gtest/gtest.h"
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#include "llvm/ADT/SmallPtrSet.h"
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using namespace llvm;
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// SmallPtrSet swapping test.
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TEST(SmallPtrSetTest, GrowthTest) {
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int i;
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int buf[8];
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for(i=0; i<8; ++i) buf[i]=0;
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SmallPtrSet<int *, 4> s;
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typedef SmallPtrSet<int *, 4>::iterator iter;
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s.insert(&buf[0]);
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s.insert(&buf[1]);
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s.insert(&buf[2]);
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s.insert(&buf[3]);
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EXPECT_EQ(4U, s.size());
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i = 0;
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for(iter I=s.begin(), E=s.end(); I!=E; ++I, ++i)
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(**I)++;
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EXPECT_EQ(4, i);
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for(i=0; i<8; ++i)
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EXPECT_EQ(i<4?1:0,buf[i]);
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s.insert(&buf[4]);
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s.insert(&buf[5]);
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s.insert(&buf[6]);
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s.insert(&buf[7]);
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i = 0;
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for(iter I=s.begin(), E=s.end(); I!=E; ++I, ++i)
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(**I)++;
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EXPECT_EQ(8, i);
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s.erase(&buf[4]);
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s.erase(&buf[5]);
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s.erase(&buf[6]);
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s.erase(&buf[7]);
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EXPECT_EQ(4U, s.size());
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i = 0;
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for(iter I=s.begin(), E=s.end(); I!=E; ++I, ++i)
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(**I)++;
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EXPECT_EQ(4, i);
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for(i=0; i<8; ++i)
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EXPECT_EQ(i<4?3:1,buf[i]);
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s.clear();
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for(i=0; i<8; ++i) buf[i]=0;
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for(i=0; i<128; ++i) s.insert(&buf[i%8]); // test repeated entires
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EXPECT_EQ(8U, s.size());
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for(iter I=s.begin(), E=s.end(); I!=E; ++I, ++i)
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(**I)++;
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for(i=0; i<8; ++i)
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EXPECT_EQ(1,buf[i]);
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}
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TEST(SmallPtrSetTest, SwapTest) {
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int buf[10];
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SmallPtrSet<int *, 2> a;
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SmallPtrSet<int *, 2> b;
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a.insert(&buf[0]);
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a.insert(&buf[1]);
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b.insert(&buf[2]);
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std::swap(a, b);
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EXPECT_EQ(1U, a.size());
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EXPECT_EQ(2U, b.size());
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EXPECT_TRUE(a.count(&buf[2]));
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EXPECT_TRUE(b.count(&buf[0]));
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EXPECT_TRUE(b.count(&buf[1]));
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b.insert(&buf[3]);
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std::swap(a, b);
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EXPECT_EQ(3U, a.size());
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EXPECT_EQ(1U, b.size());
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EXPECT_TRUE(a.count(&buf[0]));
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EXPECT_TRUE(a.count(&buf[1]));
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EXPECT_TRUE(a.count(&buf[3]));
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EXPECT_TRUE(b.count(&buf[2]));
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std::swap(a, b);
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EXPECT_EQ(1U, a.size());
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EXPECT_EQ(3U, b.size());
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EXPECT_TRUE(a.count(&buf[2]));
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EXPECT_TRUE(b.count(&buf[0]));
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EXPECT_TRUE(b.count(&buf[1]));
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EXPECT_TRUE(b.count(&buf[3]));
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a.insert(&buf[4]);
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a.insert(&buf[5]);
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a.insert(&buf[6]);
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std::swap(b, a);
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EXPECT_EQ(3U, a.size());
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EXPECT_EQ(4U, b.size());
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EXPECT_TRUE(b.count(&buf[2]));
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EXPECT_TRUE(b.count(&buf[4]));
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EXPECT_TRUE(b.count(&buf[5]));
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EXPECT_TRUE(b.count(&buf[6]));
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EXPECT_TRUE(a.count(&buf[0]));
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EXPECT_TRUE(a.count(&buf[1]));
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EXPECT_TRUE(a.count(&buf[3]));
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}
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