/* test_adler32.c -- unit test for adler32 in the zlib compression library
 * Copyright (C) 2020 IBM Corporation
 * Author: Rogerio Alves <rcardoso@linux.ibm.com>
 * For conditions of distribution and use, see copyright notice in zlib.h
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

extern "C" {
#  include "zbuild.h"
#  include "test_cpu_features.h"
}

#include <gtest/gtest.h>

typedef struct {
    uint32_t adler;
    const uint8_t *buf;
    uint32_t len;
    uint32_t expect;
} adler32_test;

static const uint8_t long_string[5552] = {
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static const adler32_test tests[] = {
   {0x1, (const uint8_t *)0x0, 0, 0x1},
   {0x1, (const uint8_t *)"", 1, 0x10001},
   {0x1, (const uint8_t *)"a", 1, 0x620062},
   {0x1, (const uint8_t *)"abacus", 6, 0x8400270},
   {0x1, (const uint8_t *)"backlog", 7, 0xb1f02d4},
   {0x1, (const uint8_t *)"campfire", 8, 0xea10348},
   {0x1, (const uint8_t *)"delta", 5, 0x61a020b},
   {0x1, (const uint8_t *)"executable", 10, 0x16fa0423},
   {0x1, (const uint8_t *)"file", 4, 0x41401a1},
   {0x1, (const uint8_t *)"greatest", 8, 0xefa0360},
   {0x1, (const uint8_t *)"inverter", 8, 0xf6f0370},
   {0x1, (const uint8_t *)"jigsaw", 6, 0x8bd0286},
   {0x1, (const uint8_t *)"karate", 6, 0x8a50279},
   {0x1, (const uint8_t *)"landscape", 9, 0x126a03ac},
   {0x1, (const uint8_t *)"machine", 7, 0xb5302d6},
   {0x1, (const uint8_t *)"nanometer", 9, 0x12d803ca},
   {0x1, (const uint8_t *)"oblivion", 8, 0xf220363},
   {0x1, (const uint8_t *)"panama", 6, 0x8a1026f},
   {0x1, (const uint8_t *)"quest", 5, 0x6970233},
   {0x1, (const uint8_t *)"resource", 8, 0xf8d0369},
   {0x1, (const uint8_t *)"secret", 6, 0x8d10287},
   {0x1, (const uint8_t *)"ultimate", 8, 0xf8d0366},
   {0x1, (const uint8_t *)"vector", 6, 0x8fb0294},
   {0x1, (const uint8_t *)"walrus", 6, 0x918029f},
   {0x1, (const uint8_t *)"xeno", 4, 0x45e01bb},
   {0x1, (const uint8_t *)"yelling", 7, 0xbfe02f5},
   {0x1, (const uint8_t *)"zero", 4, 0x46e01c1},
   {0x1, (const uint8_t *)"4BJD7PocN1VqX0jXVpWB", 20, 0x3eef064d},
   {0x1, (const uint8_t *)"F1rPWI7XvDs6nAIRx41l", 20, 0x425d065f},
   {0x1, (const uint8_t *)"ldhKlsVkPFOveXgkGtC2", 20, 0x4f1a073e},
   {0x1, (const uint8_t *)"5KKnGOOrs8BvJ35iKTOS", 20, 0x42290650},
   {0x1, (const uint8_t *)"0l1tw7GOcem06Ddu7yn4", 20, 0x43fd0690},
   {0x1, (const uint8_t *)"MCr47CjPIn9R1IvE1Tm5", 20, 0x3f770609},
   {0x1, (const uint8_t *)"UcixbzPKTIv0SvILHVdO", 20, 0x4c7c0703},
   {0x1, (const uint8_t *)"dGnAyAhRQDsWw0ESou24", 20, 0x48ac06b7},
   {0x1, (const uint8_t *)"di0nvmY9UYMYDh0r45XT", 20, 0x489a0698},
   {0x1, (const uint8_t *)"2XKDwHfAhFsV0RhbqtvH", 20, 0x44a906e6},
   {0x1, (const uint8_t *)"ZhrANFIiIvRnqClIVyeD", 20, 0x4a29071c},
   {0x1, (const uint8_t *)"v7Q9ehzioTOVeDIZioT1", 20, 0x4a7706f9},
   {0x1, (const uint8_t *)"Yod5hEeKcYqyhfXbhxj2", 20, 0x4ce60769},
   {0x1, (const uint8_t *)"GehSWY2ay4uUKhehXYb0", 20, 0x48ae06e5},
   {0x1, (const uint8_t *)"kwytJmq6UqpflV8Y8GoE", 20, 0x51d60750},
   {0x1, (const uint8_t *)"70684206568419061514", 20, 0x2b100414},
   {0x1, (const uint8_t *)"42015093765128581010", 20, 0x2a550405},
   {0x1, (const uint8_t *)"88214814356148806939", 20, 0x2b450423},
   {0x1, (const uint8_t *)"43472694284527343838", 20, 0x2b460421},
   {0x1, (const uint8_t *)"49769333513942933689", 20, 0x2bc1042b},
   {0x1, (const uint8_t *)"54979784887993251199", 20, 0x2ccd043d},
   {0x1, (const uint8_t *)"58360544869206793220", 20, 0x2b68041a},
   {0x1, (const uint8_t *)"27347953487840714234", 20, 0x2b84041d},
   {0x1, (const uint8_t *)"07650690295365319082", 20, 0x2afa0417},
   {0x1, (const uint8_t *)"42655507906821911703", 20, 0x2aff0412},
   {0x1, (const uint8_t *)"29977409200786225655", 20, 0x2b8d0420},
   {0x1, (const uint8_t *)"85181542907229116674", 20, 0x2b140419},
   {0x1, (const uint8_t *)"87963594337989416799", 20, 0x2c8e043f},
   {0x1, (const uint8_t *)"21395988329504168551", 20, 0x2b68041f},
   {0x1, (const uint8_t *)"51991013580943379423", 20, 0x2af10417},
   {0x1, (const uint8_t *)"*]+@!);({_$;}[_},?{?;(_?,=-][@", 30, 0x7c9d0841},
   {0x1, (const uint8_t *)"_@:_).&(#.[:[{[:)$++-($_;@[)}+", 30, 0x71060751},
   {0x1, (const uint8_t *)"&[!,[$_==}+.]@!;*(+},[;:)$;)-@", 30, 0x7095070a},
   {0x1, (const uint8_t *)"]{.[.+?+[[=;[?}_#&;[=)__$$:+=_", 30, 0x82530815},
   {0x1, (const uint8_t *)"-%.)=/[@].:.(:,()$;=%@-$?]{%+%", 30, 0x61250661},
   {0x1, (const uint8_t *)"+]#$(@&.=:,*];/.!]%/{:){:@(;)$", 30, 0x642006a3},
   {0x1, (const uint8_t *)")-._.:?[&:.=+}(*$/=!.${;(=$@!}", 30, 0x674206cb},
   {0x1, (const uint8_t *)":(_*&%/[[}+,?#$&*+#[([*-/#;%(]", 30, 0x67670680},
   {0x1, (const uint8_t *)"{[#-;:$/{)(+[}#]/{&!%(@)%:@-$:", 30, 0x7547070f},
   {0x1, (const uint8_t *)"_{$*,}(&,@.)):=!/%(&(,,-?$}}}!", 30, 0x69ea06ee},
   {0x1, (const uint8_t *)"e$98KNzqaV)Y:2X?]77].{gKRD4G5{mHZk,Z)SpU%L3FSgv!Wb8MLAFdi{+fp)c,@8m6v)yXg@]HBDFk?.4&}g5_udE*JHCiH=aL", 100, 0x1b01e92},
   {0x1, (const uint8_t *)"r*Fd}ef+5RJQ;+W=4jTR9)R*p!B;]Ed7tkrLi;88U7g@3v!5pk2X6D)vt,.@N8c]@yyEcKi[vwUu@.Ppm@C6%Mv*3Nw}Y,58_aH)", 100, 0xfbdb1e96},
   {0x1, (const uint8_t *)"h{bcmdC+a;t+Cf{6Y_dFq-{X4Yu&7uNfVDh?q&_u.UWJU],-GiH7ADzb7-V.Q%4=+v!$L9W+T=bP]$_:]Vyg}A.ygD.r;h-D]m%&", 100, 0x47a61ec8},
   {0x1, (const uint8_t *)long_string, 5552, 0x8b81718f},
   {0x7a30360d, (const uint8_t *)0x0, 0, 0x1},
   {0x6fd767ee, (const uint8_t *)"", 1, 0xd7c567ee},
   {0xefeb7589, (const uint8_t *)"a", 1, 0x65e475ea},
   {0x61cf7e6b, (const uint8_t *)"abacus", 6, 0x60b880da},
   {0xdc712e2,  (const uint8_t *)"backlog", 7, 0x9d0d15b5},
   {0xad23c7fd, (const uint8_t *)"campfire", 8, 0xfbfecb44},
   {0x85cb2317, (const uint8_t *)"delta", 5, 0x3b622521},
   {0x9eed31b0, (const uint8_t *)"executable", 10, 0xa6db35d2},
   {0xb94f34ca, (const uint8_t *)"file", 4, 0x9096366a},
   {0xab058a2,  (const uint8_t *)"greatest", 8, 0xded05c01},
   {0x5bff2b7a, (const uint8_t *)"inverter", 8, 0xc7452ee9},
   {0x605c9a5f, (const uint8_t *)"jigsaw", 6, 0x7899ce4},
   {0x51bdeea5, (const uint8_t *)"karate", 6, 0xf285f11d},
   {0x85c21c79, (const uint8_t *)"landscape", 9, 0x98732024},
   {0x97216f56, (const uint8_t *)"machine", 7, 0xadf4722b},
   {0x18444af2, (const uint8_t *)"nanometer", 9, 0xcdb34ebb},
   {0xbe6ce359, (const uint8_t *)"oblivion", 8, 0xe8b7e6bb},
   {0x843071f1, (const uint8_t *)"panama", 6, 0x389e745f},
   {0xf2480c60, (const uint8_t *)"quest", 5, 0x36c90e92},
   {0x2d2feb3d, (const uint8_t *)"resource", 8, 0x9705eea5},
   {0x7490310a, (const uint8_t *)"secret", 6, 0xa3a63390},
   {0x97d247d4, (const uint8_t *)"ultimate", 8, 0xe6154b39},
   {0x93cf7599, (const uint8_t *)"vector", 6, 0x5e87782c},
   {0x73c84278, (const uint8_t *)"walrus", 6, 0xbc84516},
   {0x228a87d1, (const uint8_t *)"xeno", 4, 0x4646898b},
   {0xa7a048d0, (const uint8_t *)"yelling", 7, 0xb1654bc4},
   {0x1f0ded40, (const uint8_t *)"zero", 4, 0xd8a4ef00},
   {0xa804a62f, (const uint8_t *)"4BJD7PocN1VqX0jXVpWB", 20, 0xe34eac7b},
   {0x508fae6a, (const uint8_t *)"F1rPWI7XvDs6nAIRx41l", 20, 0x33f2b4c8},
   {0xe5adaf4f, (const uint8_t *)"ldhKlsVkPFOveXgkGtC2", 20, 0xe7b1b68c},
   {0x67136a40, (const uint8_t *)"5KKnGOOrs8BvJ35iKTOS", 20, 0xf6a0708f},
   {0xb00c4a10, (const uint8_t *)"0l1tw7GOcem06Ddu7yn4", 20, 0xbd8f509f},
   {0x2e0c84b5, (const uint8_t *)"MCr47CjPIn9R1IvE1Tm5", 20, 0xcc298abd},
   {0x81238d44, (const uint8_t *)"UcixbzPKTIv0SvILHVdO", 20, 0xd7809446},
   {0xf853aa92, (const uint8_t *)"dGnAyAhRQDsWw0ESou24", 20, 0x9525b148},
   {0x5a692325, (const uint8_t *)"di0nvmY9UYMYDh0r45XT", 20, 0x620029bc},
   {0x3275b9f,  (const uint8_t *)"2XKDwHfAhFsV0RhbqtvH", 20, 0x70916284},
   {0x38371feb, (const uint8_t *)"ZhrANFIiIvRnqClIVyeD", 20, 0xd52706},
   {0xafc8bf62, (const uint8_t *)"v7Q9ehzioTOVeDIZioT1", 20, 0xeeb4c65a},
   {0x9b07db73, (const uint8_t *)"Yod5hEeKcYqyhfXbhxj2", 20, 0xde3e2db},
   {0xe75b214,  (const uint8_t *)"GehSWY2ay4uUKhehXYb0", 20, 0x4171b8f8},
   {0x72d0fe6f, (const uint8_t *)"kwytJmq6UqpflV8Y8GoE", 20, 0xa66a05cd},
   {0xf857a4b1, (const uint8_t *)"70684206568419061514", 20, 0x1f9a8c4},
   {0x54b8e14,  (const uint8_t *)"42015093765128581010", 20, 0x49c19218},
   {0xd6aa5616, (const uint8_t *)"88214814356148806939", 20, 0xbbfc5a38},
   {0x11e63098, (const uint8_t *)"43472694284527343838", 20, 0x93434b8},
   {0xbe92385,  (const uint8_t *)"49769333513942933689", 20, 0xfe1827af},
   {0x49511de0, (const uint8_t *)"54979784887993251199", 20, 0xcba8221c},
   {0x3db13bc1, (const uint8_t *)"58360544869206793220", 20, 0x14643fda},
   {0xbb899bea, (const uint8_t *)"27347953487840714234", 20, 0x1604a006},
   {0xf6cd9436, (const uint8_t *)"07650690295365319082", 20, 0xb69f984c},
   {0x9109e6c3, (const uint8_t *)"42655507906821911703", 20, 0xc43eead4},
   {0x75770fc,  (const uint8_t *)"29977409200786225655", 20, 0x707751b},
   {0x69b1d19b, (const uint8_t *)"85181542907229116674", 20, 0xf5bdd5b3},
   {0xc6132975, (const uint8_t *)"87963594337989416799", 20, 0x2fed2db3},
   {0xd58cb00c, (const uint8_t *)"21395988329504168551", 20, 0xc2a2b42a},
   {0xb63b8caa, (const uint8_t *)"51991013580943379423", 20, 0xdf0590c0},
   {0x8a45a2b8, (const uint8_t *)"*]+@!);({_$;}[_},?{?;(_?,=-][@", 30, 0x1980aaf8},
   {0xcbe95b78, (const uint8_t *)"_@:_).&(#.[:[{[:)$++-($_;@[)}+", 30, 0xf58662c8},
   {0x4ef8a54b, (const uint8_t *)"&[!,[$_==}+.]@!;*(+},[;:)$;)-@", 30, 0x1f65ac54},
   {0x76ad267a, (const uint8_t *)"]{.[.+?+[[=;[?}_#&;[=)__$$:+=_", 30, 0x7b792e8e},
   {0x569e613c, (const uint8_t *)"-%.)=/[@].:.(:,()$;=%@-$?]{%+%", 30, 0x1d61679c},
   {0x36aa61da, (const uint8_t *)"+]#$(@&.=:,*];/.!]%/{:){:@(;)$", 30, 0x12ec687c},
   {0xf67222df, (const uint8_t *)")-._.:?[&:.=+}(*$/=!.${;(=$@!}", 30, 0x740329a9},
   {0x74b34fd3, (const uint8_t *)":(_*&%/[[}+,?#$&*+#[([*-/#;%(]", 30, 0x374c5652},
   {0x351fd770, (const uint8_t *)"{[#-;:$/{)(+[}#]/{&!%(@)%:@-$:", 30, 0xeadfde7e},
   {0xc45aef77, (const uint8_t *)"_{$*,}(&,@.)):=!/%(&(,,-?$}}}!", 30, 0x3fcbf664},
   {0xd034ea71, (const uint8_t *)"e$98KNzqaV)Y:2X?]77].{gKRD4G5{mHZk,Z)SpU%L3FSgv!Wb8MLAFdi{+fp)c,@8m6v)yXg@]HBDFk?.4&}g5_udE*JHCiH=aL", 100, 0x6b080911},
   {0xdeadc0de, (const uint8_t *)"r*Fd}ef+5RJQ;+W=4jTR9)R*p!B;]Ed7tkrLi;88U7g@3v!5pk2X6D)vt,.@N8c]@yyEcKi[vwUu@.Ppm@C6%Mv*3Nw}Y,58_aH)", 100, 0x355fdf73},
   {0xba5eba11, (const uint8_t *)"h{bcmdC+a;t+Cf{6Y_dFq-{X4Yu&7uNfVDh?q&_u.UWJU],-GiH7ADzb7-V.Q%4=+v!$L9W+T=bP]$_:]Vyg}A.ygD.r;h-D]m%&", 100, 0xb48bd8d8},
   {0x7712aa45, (const uint8_t *)long_string, 5552, 0x7dc51be2},
};

class adler32_variant : public ::testing::TestWithParam<adler32_test> {
public:
    void hash(adler32_test param, adler32_func adler32) {
        uint32_t adler = adler32((uint32_t)param.adler, param.buf, param.len);
        EXPECT_EQ(adler, param.expect);
    }
};

INSTANTIATE_TEST_SUITE_P(adler32, adler32_variant, testing::ValuesIn(tests));

#define TEST_ADLER32(name, func, support_flag) \
    TEST_P(adler32_variant, name) { \
        if (!support_flag) { \
            GTEST_SKIP(); \
            return; \
        } \
        hash(GetParam(), func); \
    }

TEST_ADLER32(c, adler32_c, 1)

#ifdef ARM_NEON
TEST_ADLER32(neon, adler32_neon, test_cpu_features.arm.has_neon)
#elif defined(POWER8_VSX)
TEST_ADLER32(power8, adler32_power8, test_cpu_features.power.has_arch_2_07)
#elif defined(PPC_VMX)
TEST_ADLER32(vmx, adler32_vmx, test_cpu_features.power.has_altivec)
#endif

#ifdef X86_SSSE3
TEST_ADLER32(ssse3, adler32_ssse3, test_cpu_features.x86.has_ssse3)
#endif
#ifdef X86_AVX2
TEST_ADLER32(avx2, adler32_avx2, test_cpu_features.x86.has_avx2)
#endif
#ifdef X86_AVX512
TEST_ADLER32(avx512, adler32_avx512, test_cpu_features.x86.has_avx512)
#endif
#ifdef X86_AVX512VNNI
TEST_ADLER32(avx512_vnni, adler32_avx512_vnni, test_cpu_features.x86.has_avx512vnni)
#endif