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//===-- RegularExpressionTest.cpp -----------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/Utility/RegularExpression.h"
#include "llvm/ADT/SmallVector.h"
#include "gtest/gtest.h"
using namespace lldb_private;
using namespace llvm;
TEST(RegularExpression, Valid) {
RegularExpression r1("^[0-9]+$");
cantFail(r1.GetError());
EXPECT_TRUE(r1.IsValid());
EXPECT_EQ("^[0-9]+$", r1.GetText());
EXPECT_TRUE(r1.Execute("916"));
}
TEST(RegularExpression, CopyAssignment) {
RegularExpression r1("^[0-9]+$");
RegularExpression r2 = r1;
cantFail(r2.GetError());
EXPECT_TRUE(r2.IsValid());
EXPECT_EQ("^[0-9]+$", r2.GetText());
EXPECT_TRUE(r2.Execute("916"));
}
TEST(RegularExpression, Empty) {
RegularExpression r1("");
Error err = r1.GetError();
EXPECT_TRUE(static_cast<bool>(err));
consumeError(std::move(err));
EXPECT_FALSE(r1.IsValid());
EXPECT_EQ("", r1.GetText());
EXPECT_FALSE(r1.Execute("916"));
}
TEST(RegularExpression, Invalid) {
RegularExpression r1("a[b-");
Error err = r1.GetError();
EXPECT_TRUE(static_cast<bool>(err));
consumeError(std::move(err));
EXPECT_FALSE(r1.IsValid());
EXPECT_EQ("a[b-", r1.GetText());
EXPECT_FALSE(r1.Execute("ab"));
}
TEST(RegularExpression, Match) {
RegularExpression r1("[0-9]+([a-f])?:([0-9]+)");
cantFail(r1.GetError());
EXPECT_TRUE(r1.IsValid());
EXPECT_EQ("[0-9]+([a-f])?:([0-9]+)", r1.GetText());
SmallVector<StringRef, 3> matches;
EXPECT_TRUE(r1.Execute("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());
}
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