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Do unsigned char comparisons in StringRef::compare_lower to be more consistent with compare in corner cases.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112185 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2010-08-26 14:21:08 +00:00
parent 01b1e1c958
commit 0043e35b82
2 changed files with 12 additions and 4 deletions
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8
unittests/ADT/StringRefTest.cpp
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@ -53,6 +53,14 @@ TEST(StringRefTest, StringOps) {
EXPECT_EQ( 1, StringRef("aab").compare("aaa"));
EXPECT_EQ(-1, StringRef("aab").compare("aabb"));
EXPECT_EQ( 1, StringRef("aab").compare("aa"));
EXPECT_EQ( 1, StringRef("\xFF").compare("\1"));
EXPECT_EQ(-1, StringRef("AaB").compare_lower("aAd"));
EXPECT_EQ( 0, StringRef("AaB").compare_lower("aab"));
EXPECT_EQ( 1, StringRef("AaB").compare_lower("AAA"));
EXPECT_EQ(-1, StringRef("AaB").compare_lower("aaBb"));
EXPECT_EQ( 1, StringRef("AaB").compare_lower("aA"));
EXPECT_EQ( 1, StringRef("\xFF").compare_lower("\1"));
EXPECT_EQ(-1, StringRef("aab").compare_numeric("aad"));
EXPECT_EQ( 0, StringRef("aab").compare_numeric("aab"));