//===- 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 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 Matches; Regex r2("[0-9]+"); 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]+)"); 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"); 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); EXPECT_FALSE(r5.match(String)); EXPECT_FALSE(r5.match("X9")); String[3]='\0'; EXPECT_TRUE(r5.match(String)); } }