mirror of
https://github.com/VectorCamp/vectorscan.git
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291 lines
11 KiB
C++
291 lines
11 KiB
C++
/*
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* Copyright (c) 2015-2017, Intel Corporation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include <limits.h>
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#include <vector>
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#include "gtest/gtest.h"
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#include "hs.h"
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#include "test_util.h"
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using namespace std;
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using namespace testing;
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namespace /* anonymous */ {
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struct expected_info {
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const char *pattern;
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hs_expr_ext ext;
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unsigned min;
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unsigned max;
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char unordered_matches;
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char matches_at_eod;
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char matches_only_at_eod;
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};
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ostream& operator<<(ostream &os, const hs_expr_ext &ext) {
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if (!ext.flags) {
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return os;
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}
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bool first = true;
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if (ext.flags & HS_EXT_FLAG_MIN_OFFSET) {
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if (!first) {
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os << ", ";
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}
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os << "min_offset=" << ext.min_offset;
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first = false;
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}
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if (ext.flags & HS_EXT_FLAG_MAX_OFFSET) {
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if (!first) {
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os << ", ";
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}
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os << "max_offset=" << ext.max_offset;
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first = false;
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}
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if (ext.flags & HS_EXT_FLAG_MIN_LENGTH) {
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if (!first) {
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os << ", ";
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}
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os << "min_length=" << ext.min_length;
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first = false;
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}
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if (ext.flags & HS_EXT_FLAG_EDIT_DISTANCE) {
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if (!first) {
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os << ", ";
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}
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os << "edit_distance=" << ext.edit_distance;
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first = false;
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}
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if (ext.flags & HS_EXT_FLAG_HAMMING_DISTANCE) {
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if (!first) {
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os << ", ";
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}
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os << "hamming_distance=" << ext.hamming_distance;
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first = false;
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}
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return os;
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}
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// For Google Test.
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void PrintTo(const expected_info &ei, ostream *os) {
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*os << "expected_info: "
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<< "pattern=\"" << ei.pattern << "\""
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<< ", ext={" << ei.ext << "}"
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<< ", min=" << ei.min << ", max=" << ei.max
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<< ", unordered_matches=" << (ei.unordered_matches ? 1 : 0)
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<< ", matches_at_eod=" << (ei.matches_at_eod ? 1 : 0)
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<< ", matches_only_at_eod=" << (ei.matches_only_at_eod ? 1 : 0);
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}
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class ExprInfop : public TestWithParam<expected_info> {
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};
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static
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void check_info(const expected_info &ei, const hs_expr_info_t *info) {
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EXPECT_EQ(ei.min, info->min_width);
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EXPECT_EQ(ei.max, info->max_width);
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EXPECT_EQ(ei.unordered_matches, info->unordered_matches);
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EXPECT_EQ(ei.matches_at_eod, info->matches_at_eod);
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EXPECT_EQ(ei.matches_only_at_eod, info->matches_only_at_eod);
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}
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// Check with hs_expression_info function.
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TEST_P(ExprInfop, check_no_ext) {
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const expected_info &ei = GetParam();
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SCOPED_TRACE(ei.pattern);
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if (ei.ext.flags) {
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// This is an extparam test, skip it.
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return;
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}
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hs_expr_info_t *info = nullptr;
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hs_compile_error_t *c_err = nullptr;
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hs_error_t err = hs_expression_info(ei.pattern, 0, &info, &c_err);
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ASSERT_EQ(HS_SUCCESS, err);
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ASSERT_TRUE(info != nullptr);
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ASSERT_TRUE(c_err == nullptr);
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check_info(ei, info);
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free(info);
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}
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// Check with hs_expression_ext_info function.
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TEST_P(ExprInfop, check_ext) {
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const expected_info &ei = GetParam();
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SCOPED_TRACE(ei.pattern);
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hs_expr_info_t *info = nullptr;
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hs_compile_error_t *c_err = nullptr;
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hs_error_t err =
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hs_expression_ext_info(ei.pattern, 0, &ei.ext, &info, &c_err);
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ASSERT_EQ(HS_SUCCESS, err);
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ASSERT_TRUE(info != nullptr);
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ASSERT_TRUE(c_err == nullptr);
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check_info(ei, info);
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free(info);
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}
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// Check with hs_expression_ext_info function and a nullptr ext param, for
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// cases where ext.flags == 0. Functionally identical to check_no_ext above.
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TEST_P(ExprInfop, check_ext_null) {
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const expected_info &ei = GetParam();
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SCOPED_TRACE(ei.pattern);
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if (ei.ext.flags) {
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// This is an extparam test, skip it.
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return;
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}
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hs_expr_info_t *info = nullptr;
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hs_compile_error_t *c_err = nullptr;
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hs_error_t err =
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hs_expression_ext_info(ei.pattern, 0, nullptr, &info, &c_err);
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ASSERT_EQ(HS_SUCCESS, err);
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ASSERT_TRUE(info != nullptr);
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ASSERT_TRUE(c_err == nullptr);
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check_info(ei, info);
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free(info);
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}
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static const hs_expr_ext NO_EXT_PARAM = { 0, 0, 0, 0, 0, 0 };
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static const expected_info ei_test[] = {
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{"abc", NO_EXT_PARAM, 3, 3, 0, 0, 0},
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{"abc.*def", NO_EXT_PARAM, 6, UINT_MAX, 0, 0, 0},
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{"abc|defghi", NO_EXT_PARAM, 3, 6, 0, 0, 0},
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{"abc(def)?", NO_EXT_PARAM, 3, 6, 0, 0, 0},
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{"abc(def){0,3}", NO_EXT_PARAM, 3, 12, 0, 0, 0},
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{"abc(def){1,4}", NO_EXT_PARAM, 6, 15, 0, 0, 0},
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{"", NO_EXT_PARAM, 0, 0, 0, 0, 0},
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{"^", NO_EXT_PARAM, 0, 0, 0, 0, 0},
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{"^\\b", NO_EXT_PARAM, 0, 0, 1, 0, 0},
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{"\\b$", NO_EXT_PARAM, 0, 0, 1, 1, 1},
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{"(?m)\\b$", NO_EXT_PARAM, 0, 0, 1, 1, 0},
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{"\\A", NO_EXT_PARAM, 0, 0, 0, 0, 0},
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{"\\z", NO_EXT_PARAM, 0, 0, 0, 1, 1},
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{"\\Z", NO_EXT_PARAM, 0, 0, 1, 1, 1},
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{"$", NO_EXT_PARAM, 0, 0, 1, 1, 1},
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{"(?m)$", NO_EXT_PARAM, 0, 0, 1, 1, 0},
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{"^foo", NO_EXT_PARAM, 3, 3, 0, 0, 0},
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{"^foo.*bar", NO_EXT_PARAM, 6, UINT_MAX, 0, 0, 0},
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{"^foo.*bar?", NO_EXT_PARAM, 5, UINT_MAX, 0, 0, 0},
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{"^foo.*bar$", NO_EXT_PARAM, 6, UINT_MAX, 1, 1, 1},
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{"^foobar$", NO_EXT_PARAM, 6, 6, 1, 1, 1},
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{"foobar$", NO_EXT_PARAM, 6, 6, 1, 1, 1},
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{"^.*foo", NO_EXT_PARAM, 3, UINT_MAX, 0, 0, 0},
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{"foo\\b", NO_EXT_PARAM, 3, 3, 1, 1, 0},
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{"foo.{1,13}bar", NO_EXT_PARAM, 7, 19, 0, 0, 0},
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{"foo.{10,}bar", NO_EXT_PARAM, 16, UINT_MAX, 0, 0, 0},
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{"foo.{0,10}bar", NO_EXT_PARAM, 6, 16, 0, 0, 0},
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{"foo.{,10}bar", NO_EXT_PARAM, 12, 12, 0, 0, 0},
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{"foo.{10}bar", NO_EXT_PARAM, 16, 16, 0, 0, 0},
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{"(^|\n)foo", NO_EXT_PARAM, 3, 4, 0, 0, 0},
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{"(^\n|)foo", NO_EXT_PARAM, 3, 4, 0, 0, 0},
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{"(?m)^foo", NO_EXT_PARAM, 3, 3, 0, 0, 0},
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{"\\bfoo", NO_EXT_PARAM, 3, 3, 0, 0, 0},
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{"^\\bfoo", NO_EXT_PARAM, 3, 3, 0, 0, 0},
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{"(?m)^\\bfoo", NO_EXT_PARAM, 3, 3, 0, 0, 0},
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{"\\Bfoo", NO_EXT_PARAM, 3, 3, 0, 0, 0},
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{"(foo|bar\\z)", NO_EXT_PARAM, 3, 3, 0, 1, 0},
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{"(foo|bar)\\z", NO_EXT_PARAM, 3, 3, 0, 1, 1},
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// Some cases with extended parameters.
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{"^abc.*def", {HS_EXT_FLAG_MAX_OFFSET, 0, 10, 0, 0, 0}, 6, 10, 0, 0, 0},
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{"^abc.*def", {HS_EXT_FLAG_MIN_LENGTH, 0, 0, 100, 0, 0}, 100, UINT_MAX, 0, 0, 0},
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{"abc.*def", {HS_EXT_FLAG_MAX_OFFSET, 0, 10, 0, 0, 0}, 6, 10, 0, 0, 0},
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{"abc.*def", {HS_EXT_FLAG_MIN_LENGTH, 0, 0, 100, 0, 0}, 100, UINT_MAX, 0, 0, 0},
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{"abc.*def", {HS_EXT_FLAG_MIN_LENGTH, 0, 0, 5, 0, 0}, 6, UINT_MAX, 0, 0, 0},
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{"abc.*def", {HS_EXT_FLAG_EDIT_DISTANCE, 0, 0, 0, 1, 0}, 5, UINT_MAX, 0, 0, 0},
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{"abc.*def", {HS_EXT_FLAG_EDIT_DISTANCE, 0, 0, 0, 2, 0}, 4, UINT_MAX, 0, 0, 0},
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{"abc.*def", {HS_EXT_FLAG_EDIT_DISTANCE | HS_EXT_FLAG_MIN_LENGTH, 0, 0, 10, 2, 0},
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10, UINT_MAX, 0, 0, 0},
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{"abc.*def", {HS_EXT_FLAG_EDIT_DISTANCE | HS_EXT_FLAG_MIN_OFFSET, 6, 0, 0, 2, 0},
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4, UINT_MAX, 0, 0, 0},
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{"abc.*def", {HS_EXT_FLAG_EDIT_DISTANCE | HS_EXT_FLAG_MAX_OFFSET, 0, 6, 0, 2, 0},
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4, 6, 0, 0, 0},
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{"^abc.*def", {HS_EXT_FLAG_EDIT_DISTANCE, 0, 0, 0, 1, 0}, 5, UINT_MAX, 0, 0, 0},
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{"^abc.*def", {HS_EXT_FLAG_EDIT_DISTANCE, 0, 0, 0, 2, 0}, 4, UINT_MAX, 0, 0, 0},
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{"^abc.*def", {HS_EXT_FLAG_EDIT_DISTANCE | HS_EXT_FLAG_MIN_LENGTH, 0, 0, 10, 2, 0},
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10, UINT_MAX, 0, 0, 0},
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{"^abc.*def", {HS_EXT_FLAG_EDIT_DISTANCE | HS_EXT_FLAG_MIN_OFFSET, 6, 0, 0, 2, 0},
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4, UINT_MAX, 0, 0, 0},
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{"^abc.*def", {HS_EXT_FLAG_EDIT_DISTANCE | HS_EXT_FLAG_MAX_OFFSET, 0, 6, 0, 2, 0},
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4, 6, 0, 0, 0},
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{"^abcdef", {HS_EXT_FLAG_EDIT_DISTANCE, 0, 0, 0, 1, 0}, 5, 7, 0, 0, 0},
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{"^abcdef", {HS_EXT_FLAG_EDIT_DISTANCE, 0, 0, 0, 2, 0}, 4, 8, 0, 0, 0},
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{"^abcdef", {HS_EXT_FLAG_EDIT_DISTANCE | HS_EXT_FLAG_MIN_LENGTH, 0, 0, 8, 2, 0},
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8, 8, 0, 0, 0},
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{"^abcdef", {HS_EXT_FLAG_EDIT_DISTANCE | HS_EXT_FLAG_MIN_OFFSET, 6, 0, 0, 2, 0},
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4, 8, 0, 0, 0},
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{"^abcdef", {HS_EXT_FLAG_EDIT_DISTANCE | HS_EXT_FLAG_MAX_OFFSET, 0, 6, 0, 2, 0},
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4, 6, 0, 0, 0},
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{"abc.*def", {HS_EXT_FLAG_HAMMING_DISTANCE, 0, 0, 0, 0, 1}, 6, UINT_MAX, 0, 0, 0},
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{"abc.*def", {HS_EXT_FLAG_HAMMING_DISTANCE, 0, 0, 0, 0, 2}, 6, UINT_MAX, 0, 0, 0},
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{"abc.*def", {HS_EXT_FLAG_HAMMING_DISTANCE, 0, 0, 0, 0, 5}, 6, UINT_MAX, 0, 0, 0},
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{"abc.*def", {HS_EXT_FLAG_HAMMING_DISTANCE | HS_EXT_FLAG_MIN_LENGTH, 0, 0, 10, 0, 2},
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10, UINT_MAX, 0, 0, 0},
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{"abc.*def", {HS_EXT_FLAG_HAMMING_DISTANCE | HS_EXT_FLAG_MIN_OFFSET, 6, 0, 0, 0, 2},
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6, UINT_MAX, 0, 0, 0},
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{"abc.*def", {HS_EXT_FLAG_HAMMING_DISTANCE | HS_EXT_FLAG_MAX_OFFSET, 0, 6, 0, 0, 2},
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6, 6, 0, 0, 0},
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{"^abc.*def", {HS_EXT_FLAG_HAMMING_DISTANCE, 0, 0, 0, 0, 1}, 6, UINT_MAX, 0, 0, 0},
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{"^abc.*def", {HS_EXT_FLAG_HAMMING_DISTANCE, 0, 0, 0, 0, 2}, 6, UINT_MAX, 0, 0, 0},
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{"^abc.*def", {HS_EXT_FLAG_HAMMING_DISTANCE, 0, 0, 0, 0, 5}, 6, UINT_MAX, 0, 0, 0},
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{"^abc.*def", {HS_EXT_FLAG_HAMMING_DISTANCE | HS_EXT_FLAG_MIN_LENGTH, 0, 0, 10, 0, 2},
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10, UINT_MAX, 0, 0, 0},
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{"^abc.*def", {HS_EXT_FLAG_HAMMING_DISTANCE | HS_EXT_FLAG_MIN_OFFSET, 6, 0, 0, 0, 2},
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6, UINT_MAX, 0, 0, 0},
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{"^abc.*def", {HS_EXT_FLAG_HAMMING_DISTANCE | HS_EXT_FLAG_MAX_OFFSET, 0, 6, 0, 0, 2},
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6, 6, 0, 0, 0},
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{"^abcdef", {HS_EXT_FLAG_HAMMING_DISTANCE, 0, 0, 0, 0, 1}, 6, 6, 0, 0, 0},
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{"^abcdef", {HS_EXT_FLAG_HAMMING_DISTANCE, 0, 0, 0, 0, 2}, 6, 6, 0, 0, 0},
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{"^abcdef", {HS_EXT_FLAG_HAMMING_DISTANCE, 0, 0, 0, 0, 5}, 6, 6, 0, 0, 0},
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{"^abcdef", {HS_EXT_FLAG_HAMMING_DISTANCE | HS_EXT_FLAG_MIN_LENGTH, 0, 0, 6, 0, 2},
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6, 6, 0, 0, 0},
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{"^abcdef", {HS_EXT_FLAG_HAMMING_DISTANCE | HS_EXT_FLAG_MIN_OFFSET, 6, 0, 0, 0, 2},
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6, 6, 0, 0, 0},
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{"^abcdef", {HS_EXT_FLAG_HAMMING_DISTANCE | HS_EXT_FLAG_MAX_OFFSET, 0, 6, 0, 0, 2},
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6, 6, 0, 0, 0},
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};
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INSTANTIATE_TEST_CASE_P(ExprInfo, ExprInfop, ValuesIn(ei_test));
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}
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