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

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129582 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lenny Maiorani
2011-04-15 17:56:50 +00:00
parent 44b7ae2355
commit 437ef0cfb7
3 changed files with 40 additions and 0 deletions
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13
unittests/ADT/StringRefTest.cpp
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@ -55,6 +55,19 @@ TEST(StringRefTest, StringOps) {
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"));