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[sanitizer] Add InternalMmapVector::swap 

llvm-svn: 331736
This commit is contained in:
Vitaly Buka 2018-05-08 04:57:08 +00:00
parent 4199dbd633
commit 4e76d7fcb6
2 changed files with 24 additions and 0 deletions
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6
compiler-rt/lib/sanitizer_common/sanitizer_common.h
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@ -510,6 +510,12 @@ class InternalMmapVectorNoCtor {
return data() + size();
}
void swap(InternalMmapVectorNoCtor &other) {
Swap(data_, other.data_);
Swap(capacity_, other.capacity_);
Swap(size_, other.size_);
}
private:
void Resize(uptr new_capacity) {
CHECK_GT(new_capacity, 0);

18
compiler-rt/lib/sanitizer_common/tests/sanitizer_common_test.cc
View File

@ -130,6 +130,24 @@ TEST(SanitizerCommon, InternalMmapVectorEq) {
EXPECT_TRUE(vector1 != vector2);
}
TEST(SanitizerCommon, InternalMmapVectorSwap) {
InternalMmapVector<uptr> vector1;
InternalMmapVector<uptr> vector2;
InternalMmapVector<uptr> vector3;
InternalMmapVector<uptr> vector4;
for (uptr i = 0; i < 100; i++) {
vector1.push_back(i);
vector2.push_back(i);
vector3.push_back(-i);
vector4.push_back(-i);
}
EXPECT_NE(vector2, vector3);
EXPECT_NE(vector1, vector4);
vector1.swap(vector3);
EXPECT_EQ(vector2, vector3);
EXPECT_EQ(vector1, vector4);
}
void TestThreadInfo(bool main) {
uptr stk_addr = 0;
uptr stk_size = 0;