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Fix some more moving-from-moved-from objects issues in SmallVector

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(& because it makes it easier to test, this also improves
correctness/performance slightly by moving the last element in an insert
operation, rather than copying it)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210429 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2014-06-08 16:55:13 +00:00
parent bef256f49b
commit 9262e52075
2 changed files with 20 additions and 2 deletions
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18
unittests/ADT/SmallVectorTest.cpp
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@@ -42,12 +42,15 @@ public:
}
Constructable(const Constructable & src) : constructed(true) {
EXPECT_TRUE(src.constructed);
value = src.value;
++numConstructorCalls;
}
Constructable(Constructable && src) : constructed(true) {
EXPECT_TRUE(src.constructed);
value = src.value;
src.value = -1;
++numConstructorCalls;
}
@@ -59,6 +62,7 @@ public:
Constructable & operator=(const Constructable & src) {
EXPECT_TRUE(constructed);
EXPECT_TRUE(src.constructed);
value = src.value;
++numAssignmentCalls;
return *this;
@@ -66,7 +70,9 @@ public:
Constructable & operator=(Constructable && src) {
EXPECT_TRUE(constructed);
EXPECT_TRUE(src.constructed);
value = src.value;
src.value = -1;
++numAssignmentCalls;
return *this;
}
@@ -413,6 +419,18 @@ TYPED_TEST(SmallVectorTest, InsertTest) {
this->assertValuesInOrder(this->theVector, 4u, 1, 77, 2, 3);
}
// Insert a copy of a single element.
TYPED_TEST(SmallVectorTest, InsertCopy) {
SCOPED_TRACE("InsertTest");
this->makeSequence(this->theVector, 1, 3);
Constructable C(77);
typename TypeParam::iterator I =
this->theVector.insert(this->theVector.begin() + 1, C);
EXPECT_EQ(this->theVector.begin() + 1, I);
this->assertValuesInOrder(this->theVector, 4u, 1, 77, 2, 3);
}
// Insert repeated elements.
TYPED_TEST(SmallVectorTest, InsertRepeatedTest) {
SCOPED_TRACE("InsertRepeatedTest");