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Diffstat (limited to 'utils/text/regex_test.cpp')
| -rw-r--r-- | utils/text/regex_test.cpp | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/utils/text/regex_test.cpp b/utils/text/regex_test.cpp new file mode 100644 index 000000000000..7ea5ee485aad --- /dev/null +++ b/utils/text/regex_test.cpp @@ -0,0 +1,177 @@ +// Copyright 2014 The Kyua Authors. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// * Neither the name of Google Inc. nor the names of its contributors +// may be used to endorse or promote products derived from this software +// without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include "utils/text/regex.hpp" + +#include <atf-c++.hpp> + +#include "utils/text/exceptions.hpp" + +namespace text = utils::text; + + +ATF_TEST_CASE_WITHOUT_HEAD(integration__no_matches); +ATF_TEST_CASE_BODY(integration__no_matches) +{ + const text::regex_matches matches = text::match_regex( + "foo.*bar", "this is a string without the searched text", 0); + ATF_REQUIRE(!matches); + ATF_REQUIRE_EQ(0, matches.count()); +} + + +ATF_TEST_CASE_WITHOUT_HEAD(integration__no_capture_groups); +ATF_TEST_CASE_BODY(integration__no_capture_groups) +{ + const text::regex_matches matches = text::match_regex( + "foo.*bar", "this is a string with foo and bar embedded in it", 0); + ATF_REQUIRE(matches); + ATF_REQUIRE_EQ(1, matches.count()); + ATF_REQUIRE_EQ("foo and bar", matches.get(0)); +} + + +ATF_TEST_CASE_WITHOUT_HEAD(integration__one_capture_group); +ATF_TEST_CASE_BODY(integration__one_capture_group) +{ + const text::regex_matches matches = text::match_regex( + "^([^ ]*) ", "the string", 1); + ATF_REQUIRE(matches); + ATF_REQUIRE_EQ(2, matches.count()); + ATF_REQUIRE_EQ("the ", matches.get(0)); + ATF_REQUIRE_EQ("the", matches.get(1)); +} + + +ATF_TEST_CASE_WITHOUT_HEAD(integration__many_capture_groups); +ATF_TEST_CASE_BODY(integration__many_capture_groups) +{ + const text::regex_matches matches = text::match_regex( + "is ([^ ]*) ([a-z]*) to", "this is another string to parse", 2); + ATF_REQUIRE(matches); + ATF_REQUIRE_EQ(3, matches.count()); + ATF_REQUIRE_EQ("is another string to", matches.get(0)); + ATF_REQUIRE_EQ("another", matches.get(1)); + ATF_REQUIRE_EQ("string", matches.get(2)); +} + + +ATF_TEST_CASE_WITHOUT_HEAD(integration__capture_groups_underspecified); +ATF_TEST_CASE_BODY(integration__capture_groups_underspecified) +{ + const text::regex_matches matches = text::match_regex( + "is ([^ ]*) ([a-z]*) to", "this is another string to parse", 1); + ATF_REQUIRE(matches); + ATF_REQUIRE_EQ(2, matches.count()); + ATF_REQUIRE_EQ("is another string to", matches.get(0)); + ATF_REQUIRE_EQ("another", matches.get(1)); +} + + +ATF_TEST_CASE_WITHOUT_HEAD(integration__capture_groups_overspecified); +ATF_TEST_CASE_BODY(integration__capture_groups_overspecified) +{ + const text::regex_matches matches = text::match_regex( + "is ([^ ]*) ([a-z]*) to", "this is another string to parse", 10); + ATF_REQUIRE(matches); + ATF_REQUIRE_EQ(3, matches.count()); + ATF_REQUIRE_EQ("is another string to", matches.get(0)); + ATF_REQUIRE_EQ("another", matches.get(1)); + ATF_REQUIRE_EQ("string", matches.get(2)); +} + + +ATF_TEST_CASE_WITHOUT_HEAD(integration__reuse_regex_in_multiple_matches); +ATF_TEST_CASE_BODY(integration__reuse_regex_in_multiple_matches) +{ + const text::regex regex = text::regex::compile("number is ([0-9]+)", 1); + + { + const text::regex_matches matches = regex.match("my number is 581."); + ATF_REQUIRE(matches); + ATF_REQUIRE_EQ(2, matches.count()); + ATF_REQUIRE_EQ("number is 581", matches.get(0)); + ATF_REQUIRE_EQ("581", matches.get(1)); + } + + { + const text::regex_matches matches = regex.match("your number is 6"); + ATF_REQUIRE(matches); + ATF_REQUIRE_EQ(2, matches.count()); + ATF_REQUIRE_EQ("number is 6", matches.get(0)); + ATF_REQUIRE_EQ("6", matches.get(1)); + } +} + + +ATF_TEST_CASE_WITHOUT_HEAD(integration__ignore_case); +ATF_TEST_CASE_BODY(integration__ignore_case) +{ + const text::regex regex1 = text::regex::compile("foo", 0, false); + ATF_REQUIRE(!regex1.match("bar Foo bar")); + ATF_REQUIRE(!regex1.match("bar foO bar")); + ATF_REQUIRE(!regex1.match("bar FOO bar")); + + ATF_REQUIRE(!text::match_regex("foo", "bar Foo bar", 0, false)); + ATF_REQUIRE(!text::match_regex("foo", "bar foO bar", 0, false)); + ATF_REQUIRE(!text::match_regex("foo", "bar FOO bar", 0, false)); + + const text::regex regex2 = text::regex::compile("foo", 0, true); + ATF_REQUIRE( regex2.match("bar foo bar")); + ATF_REQUIRE( regex2.match("bar Foo bar")); + ATF_REQUIRE( regex2.match("bar foO bar")); + ATF_REQUIRE( regex2.match("bar FOO bar")); + + ATF_REQUIRE( text::match_regex("foo", "bar foo bar", 0, true)); + ATF_REQUIRE( text::match_regex("foo", "bar Foo bar", 0, true)); + ATF_REQUIRE( text::match_regex("foo", "bar foO bar", 0, true)); + ATF_REQUIRE( text::match_regex("foo", "bar FOO bar", 0, true)); +} + +ATF_TEST_CASE_WITHOUT_HEAD(integration__invalid_regex); +ATF_TEST_CASE_BODY(integration__invalid_regex) +{ + ATF_REQUIRE_THROW(text::regex_error, + text::regex::compile("this is (unbalanced", 0)); +} + + +ATF_INIT_TEST_CASES(tcs) +{ + // regex and regex_matches are so coupled that it makes no sense to test + // them independently. Just validate their integration. + ATF_ADD_TEST_CASE(tcs, integration__no_matches); + ATF_ADD_TEST_CASE(tcs, integration__no_capture_groups); + ATF_ADD_TEST_CASE(tcs, integration__one_capture_group); + ATF_ADD_TEST_CASE(tcs, integration__many_capture_groups); + ATF_ADD_TEST_CASE(tcs, integration__capture_groups_underspecified); + ATF_ADD_TEST_CASE(tcs, integration__capture_groups_overspecified); + ATF_ADD_TEST_CASE(tcs, integration__reuse_regex_in_multiple_matches); + ATF_ADD_TEST_CASE(tcs, integration__ignore_case); + ATF_ADD_TEST_CASE(tcs, integration__invalid_regex); +} |