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/*
* Copyright (c) 2016, 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 "rose/validate_mask.h"
#include "gtest/gtest.h"
#define ONES32 0xffffffffu
union RoseLookaroundMask32 {
m256 a256;
u8 a8[32];
};
struct ValidateMask32TestInfo {
RoseLookaroundMask32 data;
u32 valid_mask;
RoseLookaroundMask32 and_mask;
RoseLookaroundMask32 cmp_mask;
u32 neg_mask;
};
struct ValidateMask32InitInfo {
int idx;
u8 data;
u8 and_mask;
u8 cmp_mask;
u8 neg_mask;
};
static const ValidateMask32InitInfo testBasicIdx[][33] = {
{
{1, 0x34, 0xf8, 0x30, 0},
{2, 0x34, 0xf8, 0x30, 0},
{8, 0x23, 0xff, 0x23, 0},
{9, 0x34, 0xf8, 0x30, 0},
{10, 0x41, 0xdf, 0x41, 0},
{11, 0x63, 0xdd, 0x41, 0},
{12, 0x61, 0xdd, 0x41, 0},
{13, 0x41, 0xdf, 0x41, 0},
{14, 0x61, 0xdf, 0x41, 0},
{15, 0x41, 0xdf, 0x41, 0},
{16, 0x43, 0xdd, 0x41, 0},
{17, 0x61, 0xdd, 0x41, 0},
{23, 0x63, 0xdd, 0x41, 0},
{24, 0x4f, 0xfc, 0x4c, 0},
{25, 0x4d, 0xfc, 0x4c, 0},
{26, 0x4d, 0xfc, 0x4c, 0},
{-1, 0, 0, 0, 0},
},
{
{11, 0, 0xff, 0x55, 1},
{12, 0, 0xff, 0x36, 1},
{13, 0, 0xfe, 0x34, 1},
{14, 0x4d, 0xfe, 0x4c, 0},
{15, 0x41, 0xbf, 0x01, 0},
{16, 0x53, 0xdf, 0x73, 1},
{17, 0x4b, 0, 0, 0},
{18, 0, 0x2c, 0x2c, 1},
{-1, 0, 0, 0, 0},
},
{
{15, 0x46, 0xdf, 0x46, 0},
{16, 0x4f, 0xdf, 0x46, 1},
{17, 0x6f, 0xff, 0x6f, 0},
{18, 0x31, 0xfe, 0x30, 0},
{19, 0x34, 0xf8, 0x30, 0},
{20, 0x66, 0xc0, 0x40, 0},
{21, 0x6f, 0xf0, 0x60, 0},
{22, 0x6f, 0, 0, 0},
{23, 0x46, 0xdf, 0x44, 1},
{24, 0x4f, 0xdf, 0x46, 1},
{25, 0x6f, 0xff, 0x4f, 1},
{26, 0x31, 0xfe, 0x30, 0},
{27, 0x34, 0xf8, 0x34, 1},
{28, 0x66, 0xc0, 0x60, 1},
{29, 0x6f, 0xf0, 0x6f, 1},
{30, 0x6f, 0, 0x60, 1},
{-1, 0, 0, 0, 0},
},
{
{31, 0x4a, 0x80, 0, 0},
{-1, 0, 0, 0, 1},
},
{
{12, 0x2b, 0x3d, 0x2d, 1},
{13, 0x2b, 0x3d, 0x4c, 1},
{23, 0x4a, 0x88, 0x0a, 1},
{-1, 0, 0, 0, 0},
},
};
static void initTestInfo(ValidateMask32TestInfo &t) {
t.data.a256 = zeroes256();
t.valid_mask = 0xffffffff;
t.and_mask.a256 = zeroes256();
t.cmp_mask.a256 = zeroes256();
t.neg_mask = 0;
};
static
int testBasicInit(ValidateMask32TestInfo *testB) {
int len = 0;
ValidateMask32TestInfo t;
for (size_t i = 0; i < ARRAY_LENGTH(testBasicIdx); i++) {
initTestInfo(t);
for (const auto &line: testBasicIdx[i]) {
if (line.idx < 0) {
break;
}
int index = line.idx;
t.data.a8[index] = line.data;
t.and_mask.a8[index] = line.and_mask;
t.cmp_mask.a8[index] = line.cmp_mask;
t.neg_mask |= line.neg_mask << index;
}
testB[i] = t;
len++;
}
return len;
}
TEST(ValidateMask32, testMask32_1) {
ValidateMask32TestInfo testBasic[20];
int test_len = testBasicInit(testBasic);
for (int i = 0; i < test_len; i++) {
const auto t = testBasic[i];
EXPECT_EQ(1, validateMask32(t.data.a256, t.valid_mask,
t.and_mask.a256, t.cmp_mask.a256,
t.neg_mask));
}
}
TEST(ValidateMask32, testMask32_2) {
ValidateMask32TestInfo testBasic[20];
int test_len = testBasicInit(testBasic);
for (int left = 0; left <= 32; left++) {
for (int right = 0; right + left < 32; right++) {
u32 valid_mask = ONES32 << (left + right) >> left;
for (int i = 0; i < test_len; i++) {
const auto &t = testBasic[i];
int bool_result;
bool_result = !(valid_mask & t.neg_mask);
EXPECT_EQ(bool_result, validateMask32(t.data.a256,
valid_mask,
t.and_mask.a256,
t.cmp_mask.a256,
0));
bool_result = (valid_mask & t.neg_mask) == valid_mask;
EXPECT_EQ(bool_result, validateMask32(t.data.a256,
valid_mask,
t.and_mask.a256,
t.cmp_mask.a256,
ONES32));
}
}
}
}
TEST(ValidateMask32, testMask32_3) {
ValidateMask32TestInfo testBasic[20];
testing::internal::Random neg_mask_rand(451);
int test_len = testBasicInit(testBasic);
for (int left = 0; left <= 32; left++) {
for (int right = 0; right + left < 32; right++) {
u32 valid_mask = ONES32 << (left + right) >> left;
for (int i = 0; i < test_len; i++) {
const auto &t = testBasic[i];
int bool_result;
for (int j = 0; j < 5000; j++) {
u32 neg_mask = neg_mask_rand.Generate(1u << 31);
bool_result = (neg_mask & valid_mask) ==
(t.neg_mask & valid_mask);
EXPECT_EQ(bool_result, validateMask32(t.data.a256,
valid_mask,
t.and_mask.a256,
t.cmp_mask.a256,
neg_mask));
}
}
}
}
}
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