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Add Search(), ^ and $ assertions to regex

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This commit is contained in:
Milo Yip
2015-05-29 15:23:28 +08:00
parent a5ac3b5dbc
commit 3eb19ceaf9
2 changed files with 155 additions and 68 deletions
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58
test/unittest/regextest.cpp
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@@ -432,11 +432,65 @@ TEST(Regex, CharacterRange8) {
EXPECT_FALSE(re.Match("!"));
}
TEST(Regex, Search) {
Regex re("abc");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Search("abc"));
EXPECT_TRUE(re.Search("_abc"));
EXPECT_TRUE(re.Search("abc_"));
EXPECT_TRUE(re.Search("_abc_"));
EXPECT_TRUE(re.Search("__abc__"));
EXPECT_TRUE(re.Search("abcabc"));
EXPECT_FALSE(re.Search("a"));
EXPECT_FALSE(re.Search("ab"));
EXPECT_FALSE(re.Search("bc"));
EXPECT_FALSE(re.Search("cba"));
}
TEST(Regex, Search_BeginAnchor) {
Regex re("^abc");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Search("abc"));
EXPECT_TRUE(re.Search("abc_"));
EXPECT_TRUE(re.Search("abcabc"));
EXPECT_FALSE(re.Search("_abc"));
EXPECT_FALSE(re.Search("_abc_"));
EXPECT_FALSE(re.Search("a"));
EXPECT_FALSE(re.Search("ab"));
EXPECT_FALSE(re.Search("bc"));
EXPECT_FALSE(re.Search("cba"));
}
TEST(Regex, Search_EndAnchor) {
Regex re("abc$");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Search("abc"));
EXPECT_TRUE(re.Search("_abc"));
EXPECT_TRUE(re.Search("abcabc"));
EXPECT_FALSE(re.Search("abc_"));
EXPECT_FALSE(re.Search("_abc_"));
EXPECT_FALSE(re.Search("a"));
EXPECT_FALSE(re.Search("ab"));
EXPECT_FALSE(re.Search("bc"));
EXPECT_FALSE(re.Search("cba"));
}
TEST(Regex, Search_BothAnchor) {
Regex re("^abc$");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Search("abc"));
EXPECT_FALSE(re.Search(""));
EXPECT_FALSE(re.Search("a"));
EXPECT_FALSE(re.Search("b"));
EXPECT_FALSE(re.Search("ab"));
EXPECT_FALSE(re.Search("abcd"));
}
TEST(Regex, Escape) {
const char* s = "\\|\\(\\)\\?\\*\\+\\.\\[\\]\\{\\}\\\\\\f\\n\\r\\t\\v[\\b][\\[][\\]]";
const char* s = "\\^\\$\\|\\(\\)\\?\\*\\+\\.\\[\\]\\{\\}\\\\\\f\\n\\r\\t\\v[\\b][\\[][\\]]";
Regex re(s);
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("|()?*+.[]{}\\\x0C\n\r\t\x0B\b[]"));
EXPECT_TRUE(re.Match("^$|()?*+.[]{}\\\x0C\n\r\t\x0B\b[]"));
EXPECT_FALSE(re.Match(s)); // Not escaping
}