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[Support/StringRef] Add find_last_not_of and {r,l,}trim.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156652 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael J. Spencer
2012-05-11 22:08:50 +00:00
parent 9df5ec3984
commit b0940b46ed
3 changed files with 76 additions and 0 deletions
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28
unittests/ADT/StringRefTest.cpp
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@ -221,6 +221,30 @@ TEST(StringRefTest, Split2) {
EXPECT_TRUE(parts == expected);
}
TEST(StringRefTest, Trim) {
StringRef Str0("hello");
StringRef Str1(" hello ");
StringRef Str2(" hello ");
EXPECT_EQ(StringRef("hello"), Str0.rtrim());
EXPECT_EQ(StringRef(" hello"), Str1.rtrim());
EXPECT_EQ(StringRef(" hello"), Str2.rtrim());
EXPECT_EQ(StringRef("hello"), Str0.ltrim());
EXPECT_EQ(StringRef("hello "), Str1.ltrim());
EXPECT_EQ(StringRef("hello "), Str2.ltrim());
EXPECT_EQ(StringRef("hello"), Str0.trim());
EXPECT_EQ(StringRef("hello"), Str1.trim());
EXPECT_EQ(StringRef("hello"), Str2.trim());
EXPECT_EQ(StringRef("ello"), Str0.trim("hhhhhhhhhhh"));
EXPECT_EQ(StringRef(""), StringRef("").trim());
EXPECT_EQ(StringRef(""), StringRef(" ").trim());
EXPECT_EQ(StringRef("\0", 1), StringRef(" \0 ", 3).trim());
EXPECT_EQ(StringRef("\0\0", 2), StringRef("\0\0", 2).trim());
EXPECT_EQ(StringRef("x"), StringRef("\0\0x\0\0", 5).trim(StringRef("\0", 1)));
}
TEST(StringRefTest, StartsWith) {
StringRef Str("hello");
EXPECT_TRUE(Str.startswith("he"));
@ -267,6 +291,10 @@ TEST(StringRefTest, Find) {
EXPECT_EQ(1U, Str.find_first_not_of('h'));
EXPECT_EQ(4U, Str.find_first_not_of("hel"));
EXPECT_EQ(StringRef::npos, Str.find_first_not_of("hello"));
EXPECT_EQ(3U, Str.find_last_not_of('o'));
EXPECT_EQ(1U, Str.find_last_not_of("lo"));
EXPECT_EQ(StringRef::npos, Str.find_last_not_of("helo"));
}
TEST(StringRefTest, Count) {