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Add SmallString test trying to exercise the realloc() code path
author
Yaron Keren
<yaron.keren@gmail.com>
Tue, 11 Aug 2015 17:35:49 +0000
(17:35 +0000)
committer
Yaron Keren
<yaron.keren@gmail.com>
Tue, 11 Aug 2015 17:35:49 +0000
(17:35 +0000)
by allocating a small size (will go through malloc) and then large size.
llvm-svn: 244637
llvm/unittests/ADT/SmallStringTest.cpp
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diff --git
a/llvm/unittests/ADT/SmallStringTest.cpp
b/llvm/unittests/ADT/SmallStringTest.cpp
index
9398e99
..
995ef8e
100644
(file)
--- a/
llvm/unittests/ADT/SmallStringTest.cpp
+++ b/
llvm/unittests/ADT/SmallStringTest.cpp
@@
-159,6
+159,17
@@
TEST_F(SmallStringTest, Count) {
EXPECT_EQ(0U, theString.count("zz"));
}
+TEST_F(SmallStringTest, Realloc) {
+ theString = "abcd";
+ theString.reserve(100);
+ EXPECT_EQ("abcd", theString);
+ unsigned const N = 100000;
+ theString.reserve(N);
+ for (unsigned i = 0; i < N - 4; ++i)
+ theString.push_back('y');
+ EXPECT_EQ("abcdyyy", theString.slice(0, 7));
+}
+
TEST(StringRefTest, Comparisons) {
EXPECT_EQ(-1, SmallString<10>("aab").compare("aad"));
EXPECT_EQ( 0, SmallString<10>("aab").compare("aab"));