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