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authorChandler Carruth <chandlerc@gmail.com>2013-11-09 04:32:34 +0000
committerChandler Carruth <chandlerc@gmail.com>2013-11-09 04:32:34 +0000
commitca020d469e2a04f6805667c49a6b36f90a1856d2 (patch)
treeead48702fb0e6c3655a5cdd5a99806b1cff83a77 /unittests
parentcd7a191d8aaf4869b0c53ddb04acba924424f2c8 (diff)
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Add the critically missing 'clone' method. =]
Clang managed to never instantiate the copy constructor. Added tests to ensure this path is tested. We could still use tests for the polymorphic nature. Those coming up next. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194317 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests')
-rw-r--r--unittests/ADT/polymorphic_ptr_test.cpp11
1 files changed, 11 insertions, 0 deletions
diff --git a/unittests/ADT/polymorphic_ptr_test.cpp b/unittests/ADT/polymorphic_ptr_test.cpp
index 3606698..90c3385 100644
--- a/unittests/ADT/polymorphic_ptr_test.cpp
+++ b/unittests/ADT/polymorphic_ptr_test.cpp
@@ -17,9 +17,13 @@ namespace {
struct S {
S(int x) : x(x) {}
+ S *clone() { return new S(*this); }
int x;
};
+// A function that forces the return of a copy.
+polymorphic_ptr<S> dummy_copy(const polymorphic_ptr<S> &arg) { return arg; }
+
TEST(polymorphic_ptr_test, Basic) {
polymorphic_ptr<S> null;
EXPECT_FALSE((bool)null);
@@ -66,6 +70,13 @@ TEST(polymorphic_ptr_test, Basic) {
EXPECT_EQ(s, &*p);
EXPECT_FALSE((bool)p2);
EXPECT_TRUE(!p2);
+
+ // Force copies and that everything survives.
+ polymorphic_ptr<S> p3 = dummy_copy(polymorphic_ptr<S>(p));
+ EXPECT_TRUE((bool)p3);
+ EXPECT_FALSE(!p3);
+ EXPECT_NE(s, &*p3);
+ EXPECT_EQ(42, p3->x);
}
}