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Add a unit test for 'swap', and fix a pile of bugs in

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SmallDenseMap::swap.

First, make it parse cleanly. Yay for uninstantiated methods.

Second, make the inline-buckets case work correctly. This is way
trickier than it should be due to the uninitialized values in empty and
tombstone buckets.

Finally fix a few typos that caused construction/destruction mismatches
in the counting unittest.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158641 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth
2012-06-17 11:28:13 +00:00
parent 3967f503f4
commit 8dffa4a106
2 changed files with 70 additions and 7 deletions
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36
unittests/ADT/DenseMapTest.cpp
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@ -218,6 +218,42 @@ TYPED_TEST(DenseMapTest, AssignmentTest) {
EXPECT_EQ(this->getValue(), copyMap[this->getKey()]);
}
// Test swap method
TYPED_TEST(DenseMapTest, SwapTest) {
this->Map[this->getKey()] = this->getValue();
TypeParam otherMap;
this->Map.swap(otherMap);
EXPECT_EQ(0u, this->Map.size());
EXPECT_TRUE(this->Map.empty());
EXPECT_EQ(1u, otherMap.size());
EXPECT_EQ(this->getValue(), otherMap[this->getKey()]);
this->Map.swap(otherMap);
EXPECT_EQ(0u, otherMap.size());
EXPECT_TRUE(otherMap.empty());
EXPECT_EQ(1u, this->Map.size());
EXPECT_EQ(this->getValue(), this->Map[this->getKey()]);
// Make this more interesting by inserting 100 numbers into the map.
for (int i = 0; i < 100; ++i)
this->Map[this->getKey(i)] = this->getValue(i);
this->Map.swap(otherMap);
EXPECT_EQ(0u, this->Map.size());
EXPECT_TRUE(this->Map.empty());
EXPECT_EQ(100u, otherMap.size());
for (int i = 0; i < 100; ++i)
EXPECT_EQ(this->getValue(i), otherMap[this->getKey(i)]);
this->Map.swap(otherMap);
EXPECT_EQ(0u, otherMap.size());
EXPECT_TRUE(otherMap.empty());
EXPECT_EQ(100u, this->Map.size());
for (int i = 0; i < 100; ++i)
EXPECT_EQ(this->getValue(i), this->Map[this->getKey(i)]);
}
// A more complex iteration test
TYPED_TEST(DenseMapTest, IterationTest) {
bool visited[100];