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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /xpcom/tests/gtest/TestRustRegex.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xpcom/tests/gtest/TestRustRegex.cpp')
-rw-r--r-- | xpcom/tests/gtest/TestRustRegex.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/xpcom/tests/gtest/TestRustRegex.cpp b/xpcom/tests/gtest/TestRustRegex.cpp new file mode 100644 index 0000000000..38f7119b6b --- /dev/null +++ b/xpcom/tests/gtest/TestRustRegex.cpp @@ -0,0 +1,181 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "gtest/gtest.h" +#include "mozilla/RustRegex.h" + +// This file is adapted from the test.c file in the `rure` crate, but modified +// to use gtest and the `RustRegex` wrapper. + +namespace mozilla { + +TEST(TestRustRegex, IsMatch) +{ + RustRegex re("\\p{So}$"); + ASSERT_TRUE(re.IsValid()); + ASSERT_TRUE(re.IsMatch("snowman: \xE2\x98\x83")); +} + +TEST(TestRustRegex, ShortestMatch) +{ + RustRegex re("a+"); + ASSERT_TRUE(re.IsValid()); + + Maybe<size_t> match = re.ShortestMatch("aaaaa"); + ASSERT_TRUE(match); + EXPECT_EQ(*match, 1u); +} + +TEST(TestRustRegex, Find) +{ + RustRegex re("\\p{So}$"); + ASSERT_TRUE(re.IsValid()); + + auto match = re.Find("snowman: \xE2\x98\x83"); + ASSERT_TRUE(match); + EXPECT_EQ(match->start, 9u); + EXPECT_EQ(match->end, 12u); +} + +TEST(TestRustRegex, Captures) +{ + RustRegex re(".(.*(?P<snowman>\\p{So}))$"); + ASSERT_TRUE(re); + + auto captures = re.FindCaptures("snowman: \xE2\x98\x83"); + ASSERT_TRUE(captures); + EXPECT_EQ(captures.Length(), 3u); + EXPECT_EQ(re.CaptureNameIndex("snowman"), 2); + + auto match = captures[2]; + ASSERT_TRUE(match); + EXPECT_EQ(match->start, 9u); + EXPECT_EQ(match->end, 12u); +} + +TEST(TestRustRegex, Iter) +{ + RustRegex re("\\w+(\\w)"); + ASSERT_TRUE(re); + + auto it = re.IterMatches("abc xyz"); + ASSERT_TRUE(it); + + auto match = it.Next(); + ASSERT_TRUE(match); + EXPECT_EQ(match->start, 0u); + EXPECT_EQ(match->end, 3u); + + auto captures = it.NextCaptures(); + ASSERT_TRUE(captures); + + auto capture = captures[1]; + ASSERT_TRUE(capture); + EXPECT_EQ(capture->start, 6u); + EXPECT_EQ(capture->end, 7u); +} + +TEST(TestRustRegex, IterCaptureNames) +{ + RustRegex re("(?P<year>\\d{4})-(?P<month>\\d{2})-(?P<day>\\d{2})"); + ASSERT_TRUE(re); + + auto it = re.IterCaptureNames(); + Maybe<const char*> result = it.Next(); + ASSERT_TRUE(result.isSome()); + EXPECT_STREQ(*result, ""); + + result = it.Next(); + ASSERT_TRUE(result.isSome()); + EXPECT_STREQ(*result, "year"); + + result = it.Next(); + ASSERT_TRUE(result.isSome()); + EXPECT_STREQ(*result, "month"); + + result = it.Next(); + ASSERT_TRUE(result.isSome()); + EXPECT_STREQ(*result, "day"); + + result = it.Next(); + ASSERT_TRUE(result.isNothing()); +} + +/* + * This tests whether we can set the flags correctly. In this case, we disable + * all flags, which includes disabling Unicode mode. When we disable Unicode + * mode, we can match arbitrary possibly invalid UTF-8 bytes, such as \xFF. + * (When Unicode mode is enabled, \xFF won't match .) + */ +TEST(TestRustRegex, Flags) +{ + { + RustRegex re("."); + ASSERT_TRUE(re); + ASSERT_FALSE(re.IsMatch("\xFF")); + } + { + RustRegex re(".", RustRegexOptions().Unicode(false)); + ASSERT_TRUE(re); + ASSERT_TRUE(re.IsMatch("\xFF")); + } +} + +TEST(TestRustRegex, CompileErrorSizeLimit) +{ + RustRegex re("\\w{100}", RustRegexOptions().SizeLimit(0)); + EXPECT_FALSE(re); +} + +TEST(TestRustRegex, SetMatches) +{ + RustRegexSet set(nsTArray<std::string_view>{"foo", "barfoo", "\\w+", "\\d+", + "foobar", "bar"}); + + ASSERT_TRUE(set); + EXPECT_EQ(set.Length(), 6u); + EXPECT_TRUE(set.IsMatch("foobar")); + EXPECT_FALSE(set.IsMatch("")); + + auto matches = set.Matches("foobar"); + EXPECT_TRUE(matches.matchedAny); + EXPECT_EQ(matches.matches.Length(), 6u); + + nsTArray<bool> expectedMatches{true, false, true, false, true, true}; + EXPECT_EQ(matches.matches, expectedMatches); +} + +TEST(TestRustRegex, SetMatchStart) +{ + RustRegexSet re(nsTArray<std::string_view>{"foo", "bar", "fooo"}); + EXPECT_TRUE(re); + EXPECT_EQ(re.Length(), 3u); + + EXPECT_FALSE(re.IsMatch("foobiasdr", 2)); + + { + auto matches = re.Matches("fooobar"); + EXPECT_TRUE(matches.matchedAny); + nsTArray<bool> expectedMatches{true, true, true}; + EXPECT_EQ(matches.matches, expectedMatches); + } + + { + auto matches = re.Matches("fooobar", 1); + EXPECT_TRUE(matches.matchedAny); + nsTArray<bool> expectedMatches{false, true, false}; + EXPECT_EQ(matches.matches, expectedMatches); + } +} + +TEST(TestRustRegex, RegexSetOptions) +{ + RustRegexSet re(nsTArray<std::string_view>{"\\w{100}"}, + RustRegexOptions().SizeLimit(0)); + EXPECT_FALSE(re); +} + +} // namespace mozilla |