| 1 | //===-- RegularExpressionTest.cpp -----------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "lldb/Utility/RegularExpression.h" |
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| 10 | #include "llvm/ADT/SmallVector.h" |
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| 11 | #include "gtest/gtest.h" |
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| 12 | |
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| 13 | using namespace lldb_private; |
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| 14 | using namespace llvm; |
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| 15 | |
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| 16 | TEST(RegularExpression, Valid) { |
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| 17 | RegularExpression r1("^[0-9]+$" ); |
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| 18 | cantFail(Err: r1.GetError()); |
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| 19 | EXPECT_TRUE(r1.IsValid()); |
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| 20 | EXPECT_EQ("^[0-9]+$" , r1.GetText()); |
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| 21 | EXPECT_TRUE(r1.Execute("916" )); |
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| 22 | } |
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| 23 | |
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| 24 | TEST(RegularExpression, CopyAssignment) { |
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| 25 | RegularExpression r1("^[0-9]+$" ); |
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| 26 | RegularExpression r2 = r1; |
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| 27 | cantFail(Err: r2.GetError()); |
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| 28 | EXPECT_TRUE(r2.IsValid()); |
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| 29 | EXPECT_EQ("^[0-9]+$" , r2.GetText()); |
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| 30 | EXPECT_TRUE(r2.Execute("916" )); |
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| 31 | } |
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| 32 | |
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| 33 | TEST(RegularExpression, Empty) { |
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| 34 | RegularExpression r1("" ); |
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| 35 | Error err = r1.GetError(); |
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| 36 | EXPECT_TRUE(static_cast<bool>(err)); |
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| 37 | consumeError(Err: std::move(err)); |
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| 38 | EXPECT_FALSE(r1.IsValid()); |
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| 39 | EXPECT_EQ("" , r1.GetText()); |
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| 40 | EXPECT_FALSE(r1.Execute("916" )); |
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| 41 | } |
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| 42 | |
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| 43 | TEST(RegularExpression, Invalid) { |
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| 44 | RegularExpression r1("a[b-" ); |
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| 45 | Error err = r1.GetError(); |
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| 46 | EXPECT_TRUE(static_cast<bool>(err)); |
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| 47 | consumeError(Err: std::move(err)); |
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| 48 | EXPECT_FALSE(r1.IsValid()); |
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| 49 | EXPECT_EQ("a[b-" , r1.GetText()); |
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| 50 | EXPECT_FALSE(r1.Execute("ab" )); |
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| 51 | } |
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| 52 | |
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| 53 | TEST(RegularExpression, Match) { |
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| 54 | RegularExpression r1("[0-9]+([a-f])?:([0-9]+)" ); |
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| 55 | cantFail(Err: r1.GetError()); |
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| 56 | EXPECT_TRUE(r1.IsValid()); |
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| 57 | EXPECT_EQ("[0-9]+([a-f])?:([0-9]+)" , r1.GetText()); |
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| 58 | |
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| 59 | SmallVector<StringRef, 3> matches; |
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| 60 | EXPECT_TRUE(r1.Execute("9a:513b" , &matches)); |
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| 61 | EXPECT_EQ(3u, matches.size()); |
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| 62 | EXPECT_EQ("9a:513" , matches[0].str()); |
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| 63 | EXPECT_EQ("a" , matches[1].str()); |
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| 64 | EXPECT_EQ("513" , matches[2].str()); |
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| 65 | } |
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| 66 | |
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