From ce0c81e7dd321e9f94f628daa5528f56cab0ab88 Mon Sep 17 00:00:00 2001 From: Torok Edwin Date: Sun, 30 Aug 2009 08:24:09 +0000 Subject: Add regular expression matching support, based on OpenBSD regexec()/regcomp() implementation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80493 91177308-0d34-0410-b5e6-96231b3b80d8 --- unittests/Support/RegexTest.cpp | 64 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 unittests/Support/RegexTest.cpp (limited to 'unittests/Support/RegexTest.cpp') diff --git a/unittests/Support/RegexTest.cpp b/unittests/Support/RegexTest.cpp new file mode 100644 index 0000000000..b323e284bc --- /dev/null +++ b/unittests/Support/RegexTest.cpp @@ -0,0 +1,64 @@ +//===- 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 + +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]+", 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)); +} + +} -- cgit v1.2.3-18-g5258