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	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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| 
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| #include "gtest/gtest.h"
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| #include "llvm/ADT/SmallPtrSet.h"
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| 
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| using namespace llvm;
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| 
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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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| 
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| 
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|   SmallPtrSet<int *, 4> s;
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|   typedef SmallPtrSet<int *, 4>::iterator iter;
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|   
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 
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| TEST(SmallPtrSetTest, SwapTest) {
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|   int buf[10];
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| 
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|   SmallPtrSet<int *, 2> a;
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|   SmallPtrSet<int *, 2> b;
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| 
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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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| 
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|   std::swap(a, b);
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| 
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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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| 
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|   b.insert(&buf[3]);
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|   std::swap(a, b);
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| 
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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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| 
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|   std::swap(a, b);
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| 
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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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| 
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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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| 
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|   std::swap(b, a);
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| 
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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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