commit 437ef0cfb74102208d6e96ff7e7f1204835e66f3
author Lenny Maiorani <lenny@colorado.edu> Fri Apr 15 17:56:50 2011 +0000
committer Lenny Maiorani <lenny@colorado.edu> Fri Apr 15 17:56:50 2011 +0000
tree 54e728995aa94004e9168115304357cd2b0ed00c
parent 44b7ae2355a32035ea286555736d173755a1c5e2

Implements StringRef::compare with bounds. It is behaves similarly to strncmp(). Unit tests also included. 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129582 91177308-0d34-0410-b5e6-96231b3b80d8

unittests/ADT/StringRefTest.cpp

diff --git a/unittests/ADT/StringRefTest.cpp b/unittests/ADT/StringRefTest.cpp
index 5731e4a..633fcc8 100644
--- a/unittests/ADT/StringRefTest.cpp
+++ b/unittests/ADT/StringRefTest.cpp
@@ -55,6 +55,19 @@
   EXPECT_EQ( 1, StringRef("aab").compare("aa"));
   EXPECT_EQ( 1, StringRef("\xFF").compare("\1"));
 
+  EXPECT_EQ(-1, StringRef("aab").compare("aad", 3));
+  EXPECT_EQ( 0, StringRef("aab").compare("aab", 3));
+  EXPECT_EQ( 1, StringRef("aab").compare("aaa", 3));
+  EXPECT_EQ(-1, StringRef("aab").compare("aabb", 4));
+  EXPECT_EQ( 1, StringRef("aab").compare("aa", 3));
+  EXPECT_EQ( 1, StringRef("\xFF").compare("\1", 3));
+  EXPECT_EQ( 0, StringRef("aab").compare("aad", 2));
+  EXPECT_EQ( 0, StringRef("aab").compare("aab", 2));
+  EXPECT_EQ( 0, StringRef("aab").compare("aab", 4));
+  EXPECT_EQ( 0, StringRef("aab").compare("aaa", 2));
+  EXPECT_EQ( 0, StringRef("aab").compare("aabb", 3));
+  EXPECT_EQ( 0, StringRef("aab").compare("aa", 2));
+
   EXPECT_EQ(-1, StringRef("AaB").compare_lower("aAd"));
   EXPECT_EQ( 0, StringRef("AaB").compare_lower("aab"));
   EXPECT_EQ( 1, StringRef("AaB").compare_lower("AAA"));