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threed-beam-fea/ext/rapidjson-1.1.0/test/unittest/regextest.cpp

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// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#include "unittest.h"
#include "rapidjson/internal/regex.h"
using namespace rapidjson::internal;
TEST(Regex, Single) {
Regex re("a");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("a"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("b"));
}
TEST(Regex, Concatenation) {
Regex re("abc");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("abc"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("a"));
EXPECT_FALSE(re.Match("b"));
EXPECT_FALSE(re.Match("ab"));
EXPECT_FALSE(re.Match("abcd"));
}
TEST(Regex, Alternation1) {
Regex re("abab|abbb");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("abab"));
EXPECT_TRUE(re.Match("abbb"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("ab"));
EXPECT_FALSE(re.Match("ababa"));
EXPECT_FALSE(re.Match("abb"));
EXPECT_FALSE(re.Match("abbbb"));
}
TEST(Regex, Alternation2) {
Regex re("a|b|c");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("a"));
EXPECT_TRUE(re.Match("b"));
EXPECT_TRUE(re.Match("c"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("aa"));
EXPECT_FALSE(re.Match("ab"));
}
TEST(Regex, Parenthesis1) {
Regex re("(ab)c");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("abc"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("a"));
EXPECT_FALSE(re.Match("b"));
EXPECT_FALSE(re.Match("ab"));
EXPECT_FALSE(re.Match("abcd"));
}
TEST(Regex, Parenthesis2) {
Regex re("a(bc)");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("abc"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("a"));
EXPECT_FALSE(re.Match("b"));
EXPECT_FALSE(re.Match("ab"));
EXPECT_FALSE(re.Match("abcd"));
}
TEST(Regex, Parenthesis3) {
Regex re("(a|b)(c|d)");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("ac"));
EXPECT_TRUE(re.Match("ad"));
EXPECT_TRUE(re.Match("bc"));
EXPECT_TRUE(re.Match("bd"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("ab"));
EXPECT_FALSE(re.Match("cd"));
}
TEST(Regex, ZeroOrOne1) {
Regex re("a?");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match(""));
EXPECT_TRUE(re.Match("a"));
EXPECT_FALSE(re.Match("aa"));
}
TEST(Regex, ZeroOrOne2) {
Regex re("a?b");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("b"));
EXPECT_TRUE(re.Match("ab"));
EXPECT_FALSE(re.Match("a"));
EXPECT_FALSE(re.Match("aa"));
EXPECT_FALSE(re.Match("bb"));
EXPECT_FALSE(re.Match("ba"));
}
TEST(Regex, ZeroOrOne3) {
Regex re("ab?");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("a"));
EXPECT_TRUE(re.Match("ab"));
EXPECT_FALSE(re.Match("b"));
EXPECT_FALSE(re.Match("aa"));
EXPECT_FALSE(re.Match("bb"));
EXPECT_FALSE(re.Match("ba"));
}
TEST(Regex, ZeroOrOne4) {
Regex re("a?b?");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match(""));
EXPECT_TRUE(re.Match("a"));
EXPECT_TRUE(re.Match("b"));
EXPECT_TRUE(re.Match("ab"));
EXPECT_FALSE(re.Match("aa"));
EXPECT_FALSE(re.Match("bb"));
EXPECT_FALSE(re.Match("ba"));
EXPECT_FALSE(re.Match("abc"));
}
TEST(Regex, ZeroOrOne5) {
Regex re("a(ab)?b");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("ab"));
EXPECT_TRUE(re.Match("aabb"));
EXPECT_FALSE(re.Match("aab"));
EXPECT_FALSE(re.Match("abb"));
}
TEST(Regex, ZeroOrMore1) {
Regex re("a*");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match(""));
EXPECT_TRUE(re.Match("a"));
EXPECT_TRUE(re.Match("aa"));
EXPECT_FALSE(re.Match("b"));
EXPECT_FALSE(re.Match("ab"));
}
TEST(Regex, ZeroOrMore2) {
Regex re("a*b");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("b"));
EXPECT_TRUE(re.Match("ab"));
EXPECT_TRUE(re.Match("aab"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("bb"));
}
TEST(Regex, ZeroOrMore3) {
Regex re("a*b*");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match(""));
EXPECT_TRUE(re.Match("a"));
EXPECT_TRUE(re.Match("aa"));
EXPECT_TRUE(re.Match("b"));
EXPECT_TRUE(re.Match("bb"));
EXPECT_TRUE(re.Match("ab"));
EXPECT_TRUE(re.Match("aabb"));
EXPECT_FALSE(re.Match("ba"));
}
TEST(Regex, ZeroOrMore4) {
Regex re("a(ab)*b");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("ab"));
EXPECT_TRUE(re.Match("aabb"));
EXPECT_TRUE(re.Match("aababb"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("aa"));
}
TEST(Regex, OneOrMore1) {
Regex re("a+");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("a"));
EXPECT_TRUE(re.Match("aa"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("b"));
EXPECT_FALSE(re.Match("ab"));
}
TEST(Regex, OneOrMore2) {
Regex re("a+b");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("ab"));
EXPECT_TRUE(re.Match("aab"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("b"));
}
TEST(Regex, OneOrMore3) {
Regex re("a+b+");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("ab"));
EXPECT_TRUE(re.Match("aab"));
EXPECT_TRUE(re.Match("abb"));
EXPECT_TRUE(re.Match("aabb"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("b"));
EXPECT_FALSE(re.Match("ba"));
}
TEST(Regex, OneOrMore4) {
Regex re("a(ab)+b");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("aabb"));
EXPECT_TRUE(re.Match("aababb"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("ab"));
}
TEST(Regex, QuantifierExact1) {
Regex re("ab{3}c");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("abbbc"));
EXPECT_FALSE(re.Match("ac"));
EXPECT_FALSE(re.Match("abc"));
EXPECT_FALSE(re.Match("abbc"));
EXPECT_FALSE(re.Match("abbbbc"));
}
TEST(Regex, QuantifierExact2) {
Regex re("a(bc){3}d");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("abcbcbcd"));
EXPECT_FALSE(re.Match("ad"));
EXPECT_FALSE(re.Match("abcd"));
EXPECT_FALSE(re.Match("abcbcd"));
EXPECT_FALSE(re.Match("abcbcbcbcd"));
}
TEST(Regex, QuantifierExact3) {
Regex re("a(b|c){3}d");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("abbbd"));
EXPECT_TRUE(re.Match("acccd"));
EXPECT_TRUE(re.Match("abcbd"));
EXPECT_FALSE(re.Match("ad"));
EXPECT_FALSE(re.Match("abbd"));
EXPECT_FALSE(re.Match("accccd"));
EXPECT_FALSE(re.Match("abbbbd"));
}
TEST(Regex, QuantifierMin1) {
Regex re("ab{3,}c");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("abbbc"));
EXPECT_TRUE(re.Match("abbbbc"));
EXPECT_TRUE(re.Match("abbbbbc"));
EXPECT_FALSE(re.Match("ac"));
EXPECT_FALSE(re.Match("abc"));
EXPECT_FALSE(re.Match("abbc"));
}
TEST(Regex, QuantifierMin2) {
Regex re("a(bc){3,}d");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("abcbcbcd"));
EXPECT_TRUE(re.Match("abcbcbcbcd"));
EXPECT_FALSE(re.Match("ad"));
EXPECT_FALSE(re.Match("abcd"));
EXPECT_FALSE(re.Match("abcbcd"));
}
TEST(Regex, QuantifierMin3) {
Regex re("a(b|c){3,}d");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("abbbd"));
EXPECT_TRUE(re.Match("acccd"));
EXPECT_TRUE(re.Match("abcbd"));
EXPECT_TRUE(re.Match("accccd"));
EXPECT_TRUE(re.Match("abbbbd"));
EXPECT_FALSE(re.Match("ad"));
EXPECT_FALSE(re.Match("abbd"));
}
TEST(Regex, QuantifierMinMax1) {
Regex re("ab{3,5}c");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("abbbc"));
EXPECT_TRUE(re.Match("abbbbc"));
EXPECT_TRUE(re.Match("abbbbbc"));
EXPECT_FALSE(re.Match("ac"));
EXPECT_FALSE(re.Match("abc"));
EXPECT_FALSE(re.Match("abbc"));
EXPECT_FALSE(re.Match("abbbbbbc"));
}
TEST(Regex, QuantifierMinMax2) {
Regex re("a(bc){3,5}d");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("abcbcbcd"));
EXPECT_TRUE(re.Match("abcbcbcbcd"));
EXPECT_TRUE(re.Match("abcbcbcbcbcd"));
EXPECT_FALSE(re.Match("ad"));
EXPECT_FALSE(re.Match("abcd"));
EXPECT_FALSE(re.Match("abcbcd"));
EXPECT_FALSE(re.Match("abcbcbcbcbcbcd"));
}
TEST(Regex, QuantifierMinMax3) {
Regex re("a(b|c){3,5}d");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("abbbd"));
EXPECT_TRUE(re.Match("acccd"));
EXPECT_TRUE(re.Match("abcbd"));
EXPECT_TRUE(re.Match("accccd"));
EXPECT_TRUE(re.Match("abbbbd"));
EXPECT_TRUE(re.Match("acccccd"));
EXPECT_TRUE(re.Match("abbbbbd"));
EXPECT_FALSE(re.Match("ad"));
EXPECT_FALSE(re.Match("abbd"));
EXPECT_FALSE(re.Match("accccccd"));
EXPECT_FALSE(re.Match("abbbbbbd"));
}
// Issue538
TEST(Regex, QuantifierMinMax4) {
Regex re("a(b|c){0,3}d");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("ad"));
EXPECT_TRUE(re.Match("abd"));
EXPECT_TRUE(re.Match("acd"));
EXPECT_TRUE(re.Match("abbd"));
EXPECT_TRUE(re.Match("accd"));
EXPECT_TRUE(re.Match("abcd"));
EXPECT_TRUE(re.Match("abbbd"));
EXPECT_TRUE(re.Match("acccd"));
EXPECT_FALSE(re.Match("abbbbd"));
EXPECT_FALSE(re.Match("add"));
EXPECT_FALSE(re.Match("accccd"));
EXPECT_FALSE(re.Match("abcbcd"));
}
// Issue538
TEST(Regex, QuantifierMinMax5) {
Regex re("a(b|c){0,}d");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("ad"));
EXPECT_TRUE(re.Match("abd"));
EXPECT_TRUE(re.Match("acd"));
EXPECT_TRUE(re.Match("abbd"));
EXPECT_TRUE(re.Match("accd"));
EXPECT_TRUE(re.Match("abcd"));
EXPECT_TRUE(re.Match("abbbd"));
EXPECT_TRUE(re.Match("acccd"));
EXPECT_TRUE(re.Match("abbbbd"));
EXPECT_TRUE(re.Match("accccd"));
EXPECT_TRUE(re.Match("abcbcd"));
EXPECT_FALSE(re.Match("add"));
EXPECT_FALSE(re.Match("aad"));
}
#define EURO "\xE2\x82\xAC" // "\xE2\x82\xAC" is UTF-8 sequence of Euro sign U+20AC
TEST(Regex, Unicode) {
Regex re("a" EURO "+b");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("a" EURO "b"));
EXPECT_TRUE(re.Match("a" EURO EURO "b"));
EXPECT_FALSE(re.Match("a?b"));
EXPECT_FALSE(re.Match("a" EURO "\xAC" "b")); // unaware of UTF-8 will match
}
TEST(Regex, AnyCharacter) {
Regex re(".");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("a"));
EXPECT_TRUE(re.Match("b"));
EXPECT_TRUE(re.Match(EURO));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("aa"));
}
TEST(Regex, CharacterRange1) {
Regex re("[abc]");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("a"));
EXPECT_TRUE(re.Match("b"));
EXPECT_TRUE(re.Match("c"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("`"));
EXPECT_FALSE(re.Match("d"));
EXPECT_FALSE(re.Match("aa"));
}
TEST(Regex, CharacterRange2) {
Regex re("[^abc]");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("`"));
EXPECT_TRUE(re.Match("d"));
EXPECT_FALSE(re.Match("a"));
EXPECT_FALSE(re.Match("b"));
EXPECT_FALSE(re.Match("c"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("aa"));
}
TEST(Regex, CharacterRange3) {
Regex re("[a-c]");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("a"));
EXPECT_TRUE(re.Match("b"));
EXPECT_TRUE(re.Match("c"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("`"));
EXPECT_FALSE(re.Match("d"));
EXPECT_FALSE(re.Match("aa"));
}
TEST(Regex, CharacterRange4) {
Regex re("[^a-c]");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("`"));
EXPECT_TRUE(re.Match("d"));
EXPECT_FALSE(re.Match("a"));
EXPECT_FALSE(re.Match("b"));
EXPECT_FALSE(re.Match("c"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("aa"));
}
TEST(Regex, CharacterRange5) {
Regex re("[-]");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("-"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("a"));
}
TEST(Regex, CharacterRange6) {
Regex re("[a-]");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("a"));
EXPECT_TRUE(re.Match("-"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("`"));
EXPECT_FALSE(re.Match("b"));
}
TEST(Regex, CharacterRange7) {
Regex re("[-a]");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("a"));
EXPECT_TRUE(re.Match("-"));
EXPECT_FALSE(re.Match(""));
EXPECT_FALSE(re.Match("`"));
EXPECT_FALSE(re.Match("b"));
}
TEST(Regex, CharacterRange8) {
Regex re("[a-zA-Z0-9]*");
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("Milo"));
EXPECT_TRUE(re.Match("MT19937"));
EXPECT_TRUE(re.Match("43"));
EXPECT_FALSE(re.Match("a_b"));
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][\\[][\\]]";
Regex re(s);
ASSERT_TRUE(re.IsValid());
EXPECT_TRUE(re.Match("^$|()?*+.[]{}\\\x0C\n\r\t\x0B\b[]"));
EXPECT_FALSE(re.Match(s)); // Not escaping
}
TEST(Regex, Invalid) {
#define TEST_INVALID(s) \
{\
Regex re(s);\
EXPECT_FALSE(re.IsValid());\
}
TEST_INVALID("");
TEST_INVALID("a|");
TEST_INVALID("()");
TEST_INVALID(")");
TEST_INVALID("(a))");
TEST_INVALID("(a|)");
TEST_INVALID("(a||b)");
TEST_INVALID("(|b)");
TEST_INVALID("?");
TEST_INVALID("*");
TEST_INVALID("+");
TEST_INVALID("{");
TEST_INVALID("{}");
TEST_INVALID("a{a}");
TEST_INVALID("a{0}");
TEST_INVALID("a{-1}");
TEST_INVALID("a{}");
// TEST_INVALID("a{0,}"); // Support now
TEST_INVALID("a{,0}");
TEST_INVALID("a{1,0}");
TEST_INVALID("a{-1,0}");
TEST_INVALID("a{-1,1}");
TEST_INVALID("a{4294967296}"); // overflow of unsigned
TEST_INVALID("a{1a}");
TEST_INVALID("[");
TEST_INVALID("[]");
TEST_INVALID("[^]");
TEST_INVALID("[\\a]");
TEST_INVALID("\\a");
#undef TEST_INVALID
}
TEST(Regex, Issue538) {
Regex re("^[0-9]+(\\\\.[0-9]+){0,2}");
EXPECT_TRUE(re.IsValid());
}
TEST(Regex, Issue583) {
Regex re("[0-9]{99999}");
ASSERT_TRUE(re.IsValid());
}
#undef EURO
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