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//===- llvm/unittest/Support/RegexTest.cpp - Regex tests --===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "llvm/Support/Regex.h"
#include "llvm/ADT/SmallVector.h"
#include <cstring>
using namespace llvm;
namespace {
class RegexTest : public ::testing::Test {
};
TEST_F(RegexTest, Basics) {
Regex r1("^[0-9]+$");
EXPECT_TRUE(r1.match("916"));
EXPECT_TRUE(r1.match("9"));
EXPECT_FALSE(r1.match("9a"));
SmallVector<StringRef, 1> Matches;
Regex r2("[0-9]+", Regex::Sub);
EXPECT_TRUE(r2.match("aa216b", &Matches));
EXPECT_EQ(1u, Matches.size());
EXPECT_EQ("216", Matches[0].str());
Regex r3("[0-9]+([a-f])?:([0-9]+)", Regex::Sub);
EXPECT_TRUE(r3.match("9a:513b", &Matches));
EXPECT_EQ(3u, Matches.size());
EXPECT_EQ("9a:513", Matches[0].str());
EXPECT_EQ("a", Matches[1].str());
EXPECT_EQ("513", Matches[2].str());
EXPECT_TRUE(r3.match("9:513b", &Matches));
EXPECT_EQ(3u, Matches.size());
EXPECT_EQ("9:513", Matches[0].str());
EXPECT_EQ("", Matches[1].str());
EXPECT_EQ("513", Matches[2].str());
Regex r4("a[^b]+b", Regex::Sub);
std::string String="axxb";
String[2] = '\0';
EXPECT_FALSE(r4.match("abb"));
EXPECT_TRUE(r4.match(String, &Matches));
EXPECT_EQ(1u, Matches.size());
EXPECT_EQ(String, Matches[0].str());
std::string NulPattern="X[0-9]+X([a-f])?:([0-9]+)";
String="YX99a:513b";
NulPattern[7] = '\0';
Regex r5(NulPattern, Regex::Sub);
EXPECT_FALSE(r5.match(String));
EXPECT_FALSE(r5.match("X9"));
String[3]='\0';
EXPECT_TRUE(r5.match(String));
}
}
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