From 9406da6e664a24c8e408cbba63daf162ca166ed9 Mon Sep 17 00:00:00 2001 From: Chandler Carruth Date: Sun, 4 Mar 2012 10:23:15 +0000 Subject: Teach the hashing facilities how to hash std::string objects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152000 91177308-0d34-0410-b5e6-96231b3b80d8 --- unittests/ADT/HashingTest.cpp | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'unittests/ADT/HashingTest.cpp') diff --git a/unittests/ADT/HashingTest.cpp b/unittests/ADT/HashingTest.cpp index f00cac253f..f5d6aed5b9 100644 --- a/unittests/ADT/HashingTest.cpp +++ b/unittests/ADT/HashingTest.cpp @@ -97,6 +97,23 @@ TEST(HashingTest, HashValueStdPair) { hash_value(std::make_pair(obj1, std::make_pair(obj2, obj3)))); } +TEST(HashingTest, HashValueStdString) { + std::string s = "Hello World!"; + EXPECT_EQ(hash_combine_range(s.c_str(), s.c_str() + s.size()), hash_value(s)); + EXPECT_EQ(hash_combine_range(s.c_str(), s.c_str() + s.size() - 1), + hash_value(s.substr(0, s.size() - 1))); + EXPECT_EQ(hash_combine_range(s.c_str() + 1, s.c_str() + s.size() - 1), + hash_value(s.substr(1, s.size() - 2))); + + std::wstring ws = L"Hello Wide World!"; + EXPECT_EQ(hash_combine_range(ws.c_str(), ws.c_str() + ws.size()), + hash_value(ws)); + EXPECT_EQ(hash_combine_range(ws.c_str(), ws.c_str() + ws.size() - 1), + hash_value(ws.substr(0, ws.size() - 1))); + EXPECT_EQ(hash_combine_range(ws.c_str() + 1, ws.c_str() + ws.size() - 1), + hash_value(ws.substr(1, ws.size() - 2))); +} + template T *begin(T (&arr)[N]) { return arr; } template T *end(T (&arr)[N]) { return arr + N; } -- cgit v1.2.3