vectorscan/unit/hyperscan/expr_info.cpp
2015-10-20 09:13:35 +11:00

119 lines
3.9 KiB
C++

/*
* Copyright (c) 2015, Intel Corporation
*
* 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 Intel Corporation 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 "config.h"
#include <limits.h>
#include <vector>
#include "gtest/gtest.h"
#include "hs.h"
#include "test_util.h"
using namespace std;
using namespace testing;
namespace /* anonymous */ {
struct expected_info {
const char *pattern;
unsigned min;
unsigned max;
char unordered_matches;
char matches_at_eod;
char matches_only_at_eod;
};
class ExprInfop : public TestWithParam<expected_info> {
};
TEST_P(ExprInfop, width) {
const expected_info &ei = GetParam();
SCOPED_TRACE(ei.pattern);
hs_expr_info_t *info = nullptr;
hs_compile_error_t *c_err = nullptr;
hs_error_t err = hs_expression_info(ei.pattern, 0, &info, &c_err);
ASSERT_EQ(HS_SUCCESS, err);
ASSERT_TRUE(info != nullptr);
ASSERT_TRUE(c_err == nullptr);
EXPECT_EQ(ei.min, info->min_width);
EXPECT_EQ(ei.max, info->max_width);
EXPECT_EQ(ei.unordered_matches, info->unordered_matches);
EXPECT_EQ(ei.matches_at_eod, info->matches_at_eod);
EXPECT_EQ(ei.matches_only_at_eod, info->matches_only_at_eod);
free(info);
}
static const expected_info ei_test[] = {
{"abc", 3, 3, 0, 0, 0},
{"abc.*def", 6, UINT_MAX, 0, 0, 0},
{"abc|defghi", 3, 6, 0, 0, 0},
{"abc(def)?", 3, 6, 0, 0, 0},
{"abc(def){0,3}", 3, 12, 0, 0, 0},
{"abc(def){1,4}", 6, 15, 0, 0, 0},
{"", 0, 0, 0, 0, 0},
{"^", 0, 0, 0, 0, 0},
{"^\\b", 0, 0, 1, 0, 0},
{"\\b$", 0, 0, 1, 1, 1},
{"(?m)\\b$", 0, 0, 1, 1, 0},
{"\\A", 0, 0, 0, 0, 0},
{"\\z", 0, 0, 0, 1, 1},
{"\\Z", 0, 0, 1, 1, 1},
{"$", 0, 0, 1, 1, 1},
{"(?m)$", 0, 0, 1, 1, 0},
{"^foo", 3, 3, 0, 0, 0},
{"^foo.*bar", 6, UINT_MAX, 0, 0, 0},
{"^foo.*bar?", 5, UINT_MAX, 0, 0, 0},
{"^foo.*bar$", 6, UINT_MAX, 1, 1, 1},
{"^foobar$", 6, 6, 1, 1, 1},
{"foobar$", 6, 6, 1, 1, 1},
{"^.*foo", 3, UINT_MAX, 0, 0, 0},
{"foo\\b", 3, 3, 1, 1, 0},
{"foo.{1,13}bar", 7, 19, 0, 0, 0},
{"foo.{10,}bar", 16, UINT_MAX, 0, 0, 0},
{"foo.{0,10}bar", 6, 16, 0, 0, 0},
{"foo.{,10}bar", 12, 12, 0, 0, 0},
{"foo.{10}bar", 16, 16, 0, 0, 0},
{"(^|\n)foo", 3, 4, 0, 0, 0},
{"(^\n|)foo", 3, 4, 0, 0, 0},
{"(?m)^foo", 3, 3, 0, 0, 0},
{"\\bfoo", 3, 3, 0, 0, 0},
{"^\\bfoo", 3, 3, 0, 0, 0},
{"(?m)^\\bfoo", 3, 3, 0, 0, 0},
{"\\Bfoo", 3, 3, 0, 0, 0},
{"(foo|bar\\z)", 3, 3, 0, 1, 0},
{"(foo|bar)\\z", 3, 3, 0, 1, 1},
};
INSTANTIATE_TEST_CASE_P(ExprInfo, ExprInfop, ValuesIn(ei_test));
}