diff options
author | Joerg Sonnenberger <joerg@bec.de> | 2013-09-03 20:43:54 +0000 |
---|---|---|
committer | Joerg Sonnenberger <joerg@bec.de> | 2013-09-03 20:43:54 +0000 |
commit | f57a80f4942dafdb56e854d42af83abaf949ff9d (patch) | |
tree | 8857468a92216001fa484ad6be1a1992fa379518 /unittests | |
parent | b81d7a89129ff1621fa609144b400df3500542d6 (diff) | |
download | llvm-f57a80f4942dafdb56e854d42af83abaf949ff9d.tar.gz llvm-f57a80f4942dafdb56e854d42af83abaf949ff9d.tar.bz2 llvm-f57a80f4942dafdb56e854d42af83abaf949ff9d.tar.xz |
Add a Python-like join function to merge a list of strings with a
separator between each two elements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189846 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests')
-rw-r--r-- | unittests/ADT/StringRefTest.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/unittests/ADT/StringRefTest.cpp b/unittests/ADT/StringRefTest.cpp index fa87cd0e2c..3cb6143a42 100644 --- a/unittests/ADT/StringRefTest.cpp +++ b/unittests/ADT/StringRefTest.cpp @@ -8,6 +8,7 @@ //===----------------------------------------------------------------------===// #include "llvm/ADT/StringRef.h" +#include "llvm/ADT/StringExtras.h" #include "llvm/ADT/Hashing.h" #include "llvm/ADT/SmallVector.h" #include "llvm/Support/raw_ostream.h" @@ -477,6 +478,32 @@ TEST(StringRefTest, getAsUnsignedIntegerBadStrings) { } } +static const char *join_input[] = { "a", "b", "c" }; +static const char join_result1[] = "a"; +static const char join_result2[] = "a:b:c"; +static const char join_result3[] = "a::b::c"; + +TEST(StringRefTest, joinStrings) { + std::vector<StringRef> v1; + std::vector<std::string> v2; + for (size_t i = 0; i < array_lengthof(join_input); ++i) { + v1.push_back(join_input[i]); + v2.push_back(join_input[i]); + } + bool v1_join1 = join(v1.begin(), v1.begin() + 1, ":") == join_result1; + EXPECT_TRUE(v1_join1); + bool v1_join2 = join(v1.begin(), v1.end(), ":") == join_result2; + EXPECT_TRUE(v1_join2); + bool v1_join3 = join(v1.begin(), v1.end(), "::") == join_result3; + EXPECT_TRUE(v1_join3); + + bool v2_join1 = join(v2.begin(), v2.begin() + 1, ":") == join_result1; + EXPECT_TRUE(v2_join1); + bool v2_join2 = join(v2.begin(), v2.end(), ":") == join_result2; + EXPECT_TRUE(v2_join2); + bool v2_join3 = join(v2.begin(), v2.end(), "::") == join_result3; + EXPECT_TRUE(v2_join3); +} } // end anonymous namespace |