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Add a test for assignment operator behavior which was changed in

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r195239, as well as a comment about the fact that assigning over
a moved-from object was in fact tested. Addresses some of the review
feedback on r195239.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195260 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2013-11-20 18:21:25 +00:00
parent 128d90ab4a
commit aa8e535b57
1 changed files with 25 additions and 1 deletions
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26
unittests/ADT/SmallPtrSetTest.cpp
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@ -16,7 +16,30 @@
using namespace llvm;
// SmallPtrSet swapping test.
TEST(SmallPtrSetTest, Assignment) {
int buf[8];
for (int i = 0; i < 8; ++i)
buf[i] = 0;
SmallPtrSet<int *, 4> s1;
s1.insert(&buf[0]);
s1.insert(&buf[1]);
SmallPtrSet<int *, 4> s2;
(s2 = s1).insert(&buf[2]);
// Self assign as well.
(s2 = s2).insert(&buf[3]);
s1 = s2;
EXPECT_EQ(4U, s1.size());
for (int i = 0; i < 8; ++i)
if (i < 4)
EXPECT_TRUE(s1.count(&buf[i]));
else
EXPECT_FALSE(s1.count(&buf[i]));
}
TEST(SmallPtrSetTest, GrowthTest) {
int i;
int buf[8];
@ -112,6 +135,7 @@ TEST(SmallPtrSetTest, CopyAndMoveTest) {
else
EXPECT_FALSE(s3.count(&buf[i]));
// Move assign to the moved-from object.
s1 = llvm_move(s3);
EXPECT_EQ(4U, s1.size());
for (int i = 0; i < 8; ++i)