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	and makes the API more annoying. Add a Regex::getNumMatches() method. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82877 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			66 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //===- llvm/unittest/Support/RegexTest.cpp - Regex tests --===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #include "gtest/gtest.h"
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| #include "llvm/Support/Regex.h"
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| #include "llvm/ADT/SmallVector.h"
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| #include <cstring>
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| 
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| using namespace llvm;
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| namespace {
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| 
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| class RegexTest : public ::testing::Test {
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| };
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| 
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| TEST_F(RegexTest, Basics) {
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|   Regex r1("^[0-9]+$");
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|   EXPECT_TRUE(r1.match("916"));
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|   EXPECT_TRUE(r1.match("9"));
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|   EXPECT_FALSE(r1.match("9a"));
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| 
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|   SmallVector<StringRef, 1> Matches;
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|   Regex r2("[0-9]+");
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|   EXPECT_TRUE(r2.match("aa216b", &Matches));
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|   EXPECT_EQ(1u, Matches.size());
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|   EXPECT_EQ("216", Matches[0].str());
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| 
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|   Regex r3("[0-9]+([a-f])?:([0-9]+)");
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|   EXPECT_TRUE(r3.match("9a:513b", &Matches));
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|   EXPECT_EQ(3u, Matches.size());
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|   EXPECT_EQ("9a:513", Matches[0].str());
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|   EXPECT_EQ("a", Matches[1].str());
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|   EXPECT_EQ("513", Matches[2].str());
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| 
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|   EXPECT_TRUE(r3.match("9:513b", &Matches));
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|   EXPECT_EQ(3u, Matches.size());
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|   EXPECT_EQ("9:513", Matches[0].str());
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|   EXPECT_EQ("", Matches[1].str());
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|   EXPECT_EQ("513", Matches[2].str());
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| 
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|   Regex r4("a[^b]+b");
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|   std::string String="axxb";
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|   String[2] = '\0';
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|   EXPECT_FALSE(r4.match("abb"));
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|   EXPECT_TRUE(r4.match(String, &Matches));
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|   EXPECT_EQ(1u, Matches.size());
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|   EXPECT_EQ(String, Matches[0].str());
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| 
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| 
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|   std::string NulPattern="X[0-9]+X([a-f])?:([0-9]+)";
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|   String="YX99a:513b";
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|   NulPattern[7] = '\0';
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|   Regex r5(NulPattern);
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|   EXPECT_FALSE(r5.match(String));
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|   EXPECT_FALSE(r5.match("X9"));
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|   String[3]='\0';
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|   EXPECT_TRUE(r5.match(String));
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| }
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| 
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| }
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