Add StringRef::{slice, split}, two convenient string operations which are simple
and efficient on a StringRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77117 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/ADT/StringRefTest.cpp b/unittests/ADT/StringRefTest.cpp
index ba2216d..e7498cc 100644
--- a/unittests/ADT/StringRefTest.cpp
+++ b/unittests/ADT/StringRefTest.cpp
@@ -64,6 +64,21 @@
EXPECT_TRUE(Str.substr(0, 100) == "hello");
EXPECT_TRUE(Str.substr(4, 10) == "o");
+ EXPECT_TRUE(Str.slice(2, 3) == "l");
+ EXPECT_TRUE(Str.slice(1, 4) == "ell");
+ EXPECT_TRUE(Str.slice(2, 100) == "llo");
+ EXPECT_TRUE(Str.slice(2, 1) == "");
+ EXPECT_TRUE(Str.slice(10, 20) == "");
+
+ EXPECT_TRUE(Str.split('X') == std::make_pair(StringRef("hello"),
+ StringRef("")));
+ EXPECT_TRUE(Str.split('e') == std::make_pair(StringRef("h"),
+ StringRef("llo")));
+ EXPECT_TRUE(Str.split('h') == std::make_pair(StringRef(""),
+ StringRef("ello")));
+ EXPECT_TRUE(Str.split('o') == std::make_pair(StringRef("hell"),
+ StringRef("")));
+
EXPECT_TRUE(Str.startswith("he"));
EXPECT_FALSE(Str.startswith("helloworld"));
EXPECT_FALSE(Str.startswith("hi"));